Chapter 28

The refluxing of \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{NCOCH}_{3}\) with acid gives (a) \(2 \mathrm{CH}_{3} \mathrm{OH}+\mathrm{CH}_{3} \mathrm{CONH}_{2}\) (b) \(2 \mathrm{CH}_{3} \mathrm{NH}_{2}+\mathrm{CH}_{3} \mathrm{COOH}\) (c) \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{NCOOH}+\mathrm{CH}_{4}\) (d) \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{NH}+\mathrm{CH}_{3} \mathrm{COOH}\)

The end product (b) in the following sequence of reactions \(\mathrm{CH}_{3} \mathrm{Cl} \stackrel{\mathrm{KCN}}{\longrightarrow}\) (a) \(\stackrel{\mathrm{H}^{\prime} / \mathrm{H}_{2} \mathrm{O}}{\longrightarrow}\) (b) is (a) \(\mathrm{HCOOH}\) (b) \(\mathrm{CH}_{3} \mathrm{NH}_{2}\) (c) \(\mathrm{CH}_{3} \mathrm{COOH}\) (d) \(\mathrm{CH}_{3} \mathrm{COCH}_{3}\)

\(\mathrm{R}-\mathrm{CH}_{2}-\mathrm{CH}_{2} \mathrm{OH}\) can be converted into \(\mathrm{RCH}_{2} \mathrm{CH}_{2}\) COOH. The correct sequence of reagent is (a) \(\mathrm{PBr}_{3}, \mathrm{KCN}, \mathrm{H}^{+}\) (b) \(\mathrm{HCN}, \mathrm{PBr}_{3}, \mathrm{H}^{+}\) (c) \(\mathrm{KCN}, \mathrm{H}^{+}\) (d) \(\mathrm{PBr}_{3}, \mathrm{KCN}, \mathrm{H}_{2}\)

Which is not true about acetophenone? (1) Reacts with \(\mathrm{I}_{2} / \mathrm{NaOH}\) to form iodoform (2) Reacts with Tollen's reagent to form silver mirror (3) On oxidation with alkaline \(\mathrm{KMnO}_{4}\) followed by hydrolysis gives benzoic acid (4) Reacts to form 2,4 -dinitrophenyl-hydrazone (a) 2 and 4 (b) 2 only (c) 1 and 4 (d) 4 only

Hydrolysis of an ester gives a carboxylic acid which on Kolbe's electrolysis yields ethane. The ester is (a) Methyl methanoate (b) Methyl propanoate (c) Ethyl methanoate (d) Methyl ethanoate

\(\mathrm{CH}_{3} \mathrm{CO}_{2} \mathrm{C}_{2} \mathrm{H}_{5}\) on reaction with sodium ethoxide in ethanol gives A, which on heating in the presence of acid gives B. Compound \(\mathrm{B}\) is (a) \(\mathrm{CH}_{3} \mathrm{COCH}_{2} \mathrm{COOH}\) (b) \(\mathrm{CH}_{3} \mathrm{OCH}_{3}\)

To convert 2 -butanone into propionic acid (a) \(\mathrm{NaOH}+\mathrm{NaI} / \mathrm{H}^{+}\) (b) Fehling's test (c) \(\mathrm{I}_{2} / \mathrm{NaOH} / \mathrm{H}^{+}\) (d) Tollen's reagent

The end product (c) in this reaction, \(\mathrm{CH}_{3} \mathrm{COOH} \stackrel{\mathrm{CaCO}_{3}}{\longrightarrow} \mathrm{A} \stackrel{\text { Heat }}{\longrightarrow} \mathrm{B}\) \(\stackrel{\mathrm{NH}_{2} \mathrm{OH}}{\longrightarrow} \mathrm{C}\), is (a) Acetaldehyde oxime (b) Aceto oxime (c) Acetamide (d) Ethane nitrile

In the following sequence of reactions: \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH} \stackrel{\mathrm{KMnO}_{4}}{\longrightarrow}(\mathrm{a}) \stackrel{\mathrm{SOCl}_{2}, \mathrm{NH}_{3}}{\longrightarrow}\) (b) \(\mathrm{Br}_{2}+\mathrm{NaOH}\) (c) the end product (c) is (a) Acetone (b) Ethylamine (c) Acetic acid (d) Methyl amine

Which of the following will give yellow precipitate with \(\mathrm{I}_{2} / \mathrm{NaOH} ?\) 1\. \(\mathrm{ICH}_{2} \mathrm{COCH}_{2} \mathrm{CH}_{3} \quad 2 . \mathrm{CH}_{3} \mathrm{COOCOCH}_{3}\) 3\. \(\mathrm{CH}_{3} \mathrm{CONH}_{2}\) 4\. \(\mathrm{CH}_{3} \mathrm{CH}(\mathrm{OH}) \mathrm{CH}_{2} \mathrm{CH}_{3}\) (a) 1,3 (b) 3,4 (c) 1,2 (d) 1,4

Consider the following substances: 1\. HCHO 2\. \(\mathrm{CH}_{3} \mathrm{CHO}\) 3\. \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COCH}_{3}\) 4\. \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COCH}_{2} \mathrm{CH}_{3}\) Correct order of reactivity towards nucleophillic addition reaction is: (a) \(1>4>2>3\) (b) \(1>2>4>3\) (c) \(1>3>2>4\) (d) \(1>2>3>4\)

Place the following acid chlorides in the decreasing order of reactivity to hydrolysis. (1) \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{COCl}\) (2) \(\mathrm{p}-\mathrm{O}_{2} \mathrm{NC}_{6} \mathrm{H}_{4} \mathrm{COCl}\) (3) \(\mathrm{p}-\mathrm{CH}_{3} \mathrm{OC}_{6} \mathrm{H}_{4} \mathrm{COCl}\) (a) \(2>1>3\) (b) \(3>1>2\) (c) \(1>2>3\) (d) \(1>3>2\)

Consider the following substances: (1) \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{COCH}_{2} \mathrm{COCH}_{3}\) (2) \(\left(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OCO}\right)_{2} \mathrm{CH}_{2}\) (3) \(\mathrm{CH}_{3} \mathrm{COCH}_{2} \mathrm{COOC}_{2} \mathrm{H}_{5}\) (4) \(\mathrm{CH}_{3} \mathrm{COCH}_{2} \mathrm{COCH}_{3}\) Place these dicarbonyl compounds in decreasing order of their enol content. (a) \(4>3>2>1\) (b) \(1>4>3>2\) (c) \(1>2>3>4\) (d) \(1>4>2>3\)

Consider the following acids: (1) \(\mathrm{HCN}\) (2) \(\mathrm{HCOOH}\) (3) \(\mathrm{CH}_{3} \mathrm{COOH}\) (4) \(\mathrm{Cl}-\mathrm{CH}_{2}-\mathrm{COOH}\) The acid strengths of these acids are such that (a) \(4>3>1>2\) (b) \(1>3>2>4\) (c) \(2>3>4>1\) (d) \(4>2>3>1\)

Consider the following acids: (1) \(\mathrm{CH}_{3} \mathrm{COOH}\) (2) \(\mathrm{Cl}_{2} \mathrm{CHCOOH}\) (3) \(\mathrm{ClCH}_{2} \mathrm{COOH}\) (3) \(\mathrm{ClCH}_{2} \mathrm{CH}_{2} \mathrm{COOH}\) The correct sequence of acidity is: (a) \(3>1>2>4\) (b) \(2>3>4>1\) (c) \(1>3>4>2\) (d) \(2>4>3>1\)

Consider the following acids: (1) \(\mathrm{O}-\mathrm{HOC}_{6} \mathrm{H}_{4} \mathrm{COOH}\) (2) \(\mathrm{O}-\mathrm{CH}_{3} \mathrm{OC}_{6} \mathrm{H}_{4} \mathrm{COOH}\) (3) \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{COOH}^{\circ}\) Arrange these acids in the decreasing order of their acidities. (a) \(1>3>2\) (b) \(3>2>1\) (c) \(1>2>3\) (d) \(2>3>1\)

Which of the following statements regarding chemical properties of acetophenone are wrong? I. it is reduced to methylphenylcarbinol by sodium and ethanol II. it is oxidized to benzoic acid with acidified \(\mathrm{KMnO}_{4}\) III. it does not undergo electrophillic substitution like nitration at meta position. IV. it does not undergo iodoform reaction with iodine and alkali. (a) I and II (b) II and IV (c) I and III (d) III and IV

Consider the following statements; Acetophenone can be prepared by I. oxidation of 1 -phenylethanol II. reaction of benzaldehyde with methyl magnesium bromide III. Friedal Crafts reaction of benzene with acetyl chloride IV. Distillation of calcium benzoate Which of the above statements are correct? (a) I and III (b) III and IV (c) II and III (d) I and IV

The correct order of reactivity of PhMgBr with \(\mathrm{Ph}-\mathrm{C}-\mathrm{Ph} \mathrm{CH}_{3}-\mathrm{C}-\mathrm{H} \quad \mathrm{CH}_{3}-\mathrm{C}-\mathrm{CH}_{3}\) is (a) \(\mathrm{I}>\mathrm{II}>\mathrm{III}\) (b) III > II > I (c) \(\mathrm{II}>\mathbb{I I I}>\mathrm{I}\) (d) \(\mathrm{I}>\mathrm{III}>\mathrm{II}\)

Compound 'A' (molecular formula \(\mathrm{C}_{3} \mathrm{H}_{8} \mathrm{O}\) ) is treated with acidified potassium dichromate to form a product 'B' (molecular formula \(\mathrm{C}_{3} \mathrm{H}_{6} \mathrm{O}\) ). 'B' forms a shining silver mirror on warming with ammonical silver nitrate. 'B' when treated with an aqueous solution of \(\mathrm{H}_{2} \mathrm{NCONHNH}_{2}\) HCl and sodium acetate gives a product 'C'. Identify the structure of ' \(\mathrm{C}^{\prime}\). (a) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}=\mathrm{NNHCONH}_{2}\) (b) \(\mathrm{CH}_{3}-\mathrm{C}=\mathrm{NNHCONH}_{2}\)

The enol form of acetone, after treatment with \(\mathrm{D}_{2} \mathrm{O}\), gives

Which of the following undergoes aldol condensation? 1\. Acetaldehyde 2\. Propionaldehyde 3\. Benzaldehyde 4\. Trideuteroacetaldehyde. (a) 1,2 (b) \(1,2,3\) (c) \(1,2,4\) (d) 2,4

A new carbon-carbon bond formation is possible in 1\. Cannizzro reaction 2\. Feirdel-Craft's reaction 3\. Clemmensen reduction 4\. Reimer - Teimann reaction (a) 2,4 (b) 1,2 (c) 2,3 (d) \(1,2,4\)

On warming with \(\mathrm{I}_{2}\) and aqueous \(\mathrm{NaOH}\), iodoform and sodium succinate are formed. The formula of the compound should be (a) \(\mathrm{CH}_{3} \mathrm{COCH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{3}\) (b) \(\mathrm{CH}_{3} \mathrm{COC}_{6} \mathrm{H}_{5}\) (c) \(\mathrm{CH}_{3}-\mathrm{CO}-\mathrm{CH}_{2}-\mathrm{CH}_{2}-\mathrm{COOH}\) (d) \(\mathrm{CH}_{3} \mathrm{COCH}_{2} \mathrm{CH}_{2} \mathrm{COCH}_{3}\)

\(\mathrm{Ph}-\mathrm{CHO}+\mathrm{NH}_{2} \mathrm{OH} \rightarrow(\mathrm{A})\) Which of the following is/are true about compound (A)? (a) The syn- (A) on treatment with \(\mathrm{PCl}_{5}\) in ether gives N- phenyl formamide. (b) The product (A) exists in 2 isomeric forms. (c) The suitable \(\mathrm{pH}\) for the reaction is between 4 to 6 (d) The anti- (A) on treatment with \(\mathrm{PCl}_{5}\) in ether followed by hydrolysis gives aniline and formic acid.

Which of the following reactions, yield a product with a three membered ring? (a) \(\mathrm{CH}_{3}-\mathrm{C}(\mathrm{O})-\mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Cl} \stackrel{\mathrm{KOH}, \mathrm{H}_{2} \mathrm{O}}{\longrightarrow}\) (b) \(\mathrm{PhCHO}+\mathrm{Br}-\mathrm{CH}_{2}-\mathrm{C}(\mathrm{O})-\mathrm{OEt}\) \(\mathrm{t}-\mathrm{BuO}^{-/} \mathrm{t}-\mathrm{BuOH}\) (c) \(\mathrm{Ph}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{3} \stackrel{\mathrm{mCPBA}}{\longrightarrow}\) (d) 3- bromobutan \(-2\) - ol \({ }^{-\mathrm{OH} / \mathrm{H}_{2} \mathrm{O}}\)

Match the following: List I (Compounds to be reduced) 1\. \(\mathrm{BrCH}_{2} \mathrm{CH}_{2} \mathrm{CHO}\) 2\. \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{C}(\mathrm{OH}) \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{COCH}_{3}\) 3\. \(\mathrm{PhCH}(\mathrm{OH}) \mathrm{CH}_{2} \mathrm{COCH}_{2} \mathrm{CH}_{3}\) 4\. \(\mathrm{PhCOCH}_{3}\) List II (most suitable reduction) (i) Clemmensen reduction (ii) Wolf-Kishner reduction (iii) Both The correct matching is: The correct matching is: 1 2 3 4 (a) (iii) (ii) (ii) (i) (b) (i) (ii) (ii) (iii) (c) (i) (iii) (iii) (ii) (d) (ii) (iii) (ii) (i)

Match list I (organic compounds oxidized by \(\left.\mathrm{HIO}_{4}\right)\) with list II (products of HIO \(_{4}\) oxidation) and select the correct answer: List I 1\. \(\mathrm{CH}_{3} \mathrm{COCHO}\) 2\. 1, 2-cyclohexanedione 3\. \(\mathrm{PhCH}(\mathrm{OH}) \mathrm{CHO}\) 4\. \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}(\mathrm{OH}) \mathrm{COCH}_{3}\) List II (i) \(\mathrm{PhCH}=\mathrm{O}+\mathrm{HCOOH}\) (ii) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CHO}+\mathrm{HOOCCH}_{3}\) (iii) \(\mathrm{HOOC}\left(\mathrm{CH}_{2}\right)_{4} \mathrm{COOH}\) (iv) \(\mathrm{CH}_{3} \mathrm{COOH}+\mathrm{HCOOH}\) The correct matching is: 1 2 3 4 (a) (iii) (iv) (i) (iii) (b) (iii) (ii) (i) (iv) (c) (iv) (iii) (i) (ii) (d) (iv) (iii) (ii) (i)

Match list I (organic compounds oxidized by \(\left.\mathrm{HIO}_{4}\right)\) with list II (products of \(\mathrm{HIO}_{4}\) oxidation) and select the correct answer. List II (i) \(2 \mathrm{H}_{2} \mathrm{C}=\mathrm{O}+\mathrm{HCOOH}\) (ii) \(2 \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}=\mathrm{O}\) (iii) \(2 \mathrm{H}_{2} \mathrm{C}=\mathrm{O}\) (iv) \(\mathrm{PhCH}_{2} \mathrm{CH}=\mathrm{O}+\mathrm{CH}_{3} \mathrm{CH}=\mathrm{O}\) The correct matching is: 1 2 3 4 (a) (ii) (iv) (i) (iii) (b) (iv) (ii) (iii) (i) (c) (ii) (iii) (i) (iv) (d) (ii) (iv) (iii) (i)

Match the following: List I 1\. Formalin 2\. Trioxane 3\. Ketene 4\. Metaldehyde List II (i) Trimer of \(\mathrm{HCHO}\) (ii) Compounds of the general formula, \(\mathrm{R}_{2} \mathrm{C}=\mathrm{C}=\mathrm{O}\) (iii) A tetramer of acetaldehyde (iv) \(40 \%\) aqueous solution of \(\mathrm{HCHO}\) The correct matching is: 1 2 3 4 (a) (iv) (ii) (i) (iii) (b) (i) (iv) (iii) (ii) (c) (i) (iv) (ii) (ii) (d) (iv) (i) (ii) (iii)

Match the following: List I (Reaction) 1\. \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CHO}+\mathrm{NaOH} \longrightarrow \mathrm{C}_{6} \mathrm{H}_{5} \mathrm{COOH}\) 2\. \(\mathrm{C}_{6} \mathrm{H}_{6}+\mathrm{CH}_{3} \mathrm{Cl} \stackrel{\text { Anhyd. } \mathrm{AICl}_{3}}{+\mathrm{Cd} / \mathrm{BaSO}} \stackrel{\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{OH}}{\longrightarrow} \mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{3}\). 3\. \(\mathrm{RCOCl}+\mathrm{H}_{2} \stackrel{\mathrm{Pd} / \mathrm{BaSO}_{4}}{\longrightarrow} \mathrm{RCHO}\) 4\. \(\mathrm{C}_{6} \mathrm{H}_{3} \mathrm{OH}+\mathrm{NaOH}+\mathrm{CO}_{2} \stackrel{\text { 1. heat, 2. } \mathrm{H}^{\prime}}{\longrightarrow}\) List II (Name of reactions) (i) Rosenmund reduction (ii) Kolbe's reaction (iii) Claisen reaction (iv) Cannizzaro reaction (v) Friedal-Craft's reaction The correct matching is: The correct matching is: 1 2 3 4 (a) (iv) (v) (i) (ii) (b) (v) (i) (ii) (iii) (c) (v) (iii) (ii) (i) (d) (iv) (ii) (iii) (i)

Match the following List II (i) Anhydrous \(\mathrm{ZnCl}_{2}\) (ii) \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{O}^{\theta}\) (iii) \(\mathrm{P}\) (iv) \(\mathrm{LiAlH}_{4}\) The correct matching is: The correct matching is: 1 2 3 4 (a) (ii) (iii) (iv) (i) (b) (ii) (iii) (i) (iv) (c) (iii) (ii) (iv) (i) (d) (i) (iii) (iv) (ii)

Match the following Column-I (A) \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CH}-\mathrm{CHO}\) (B) \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CHO}\) (B) \(\mathrm{HCHO}\) (D) \(\mathrm{CH}_{3} \mathrm{CHO}\) Column-II (p) Aldol addition (q) Cannizaro reaction (r) Perkin condensation (s) Haloform reaction (t) Positive test with Tollen's reagent

Formaldehyde is warmed with \(50 \% \mathrm{NaOH}\). The order of reaction that takes place is

The total number of enolates that can be formed, when 2 - Butanone is treated with a base is

When \(\mathrm{CH}_{2}=\mathrm{CH}-\mathrm{COOH}\) is reduced with \(\mathrm{LiAlH}_{4}\) the compound obtained will be (a) \(\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{COOH}\) (b) \(\mathrm{CH}_{2}=\mathrm{CH}-\mathrm{CH}_{2} \mathrm{OH}\) (c) \(\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}_{2} \mathrm{OH}\) (d) \(\mathrm{CH}_{3}-\mathrm{CH}_{2}^{3}-\mathrm{CHO}\)

In the anion HCOO- the two carbon-oxygen bonds are found to be of equal length. What is the reason for it? (a) electronic orbits of carbon atom are hybridized (b) The \(\mathrm{C}=\mathrm{O}\) bond is weaker than the \(\mathrm{C}-\mathrm{O}\) bond (c) The anion HCOO- has two resonating structures (d) the anion is obtained by removal of a proton from the acid molecule

On mixing ethyl acetate with aqueous sodium chloride, the composition of the resultant solution is (a) \(\mathrm{CH}_{3} \mathrm{COOC}_{2} \mathrm{H}_{5}+\mathrm{NaCl}\) (b) \(\mathrm{CH}_{3} \mathrm{COONa}+\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\) (c) \(\mathrm{CH}_{3} \mathrm{COCl}+\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}+\mathrm{NaOH}\) (d) \(\mathrm{CH}_{3} \mathrm{Cl}+\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{COONa}\)

Which one of the following is reduced with zinc and hydrochloric acid to give the corresponding hydrocarbon? (a) ethyl acetate (b) acetic acid (c) acetamide (d) butan-2-one

Among the following acids which has the lowest pKa value? (a) \(\mathrm{CH}_{3} \mathrm{COOH}\) (b) \(\mathrm{HCOOH}\) (c) \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CH}-\mathrm{COOH}\) (d) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COH}\)

The best reagent to convert pent-3-en-2-ol into pent3-en \(-2\)-one is (a) acidic permanganate (b) acidic dichromate (c) chromic anhydride in glacial acetic acid (d) pyridinium chloro-chromate

Reaction of cyclohexanone with dimethylamine in the presence of catalytic amount of an acid forms a compound if water during the reaction is continuously removed. The compound formed is generally known as (a) a Schiff's base (b) an enamine (c) an imine (d) an amine

Reaction of cyclohexanone with dimethylamine in the presence of catalytic amount of an acid forms a compound if water during the reaction is continuously removed. The compound formed is generally known as (a) a Schiff's base (b) an enamine (c) an imine (d) an amine

Phenyl magnesium bromide reacts with methanol to give (a) a mixture of anisole and \(\mathrm{Mg}(\mathrm{OH}) \mathrm{Br}\) (b) a mixture of benzene and \(\mathrm{Mg}(\mathrm{OMe}) \mathrm{Br}\) (c) a mixture of toluene and \(\mathrm{Mg}(\mathrm{OH}) \mathrm{Br}\) (d) a mixture of phenol and \(\mathrm{Mg}(\mathrm{Me}) \mathrm{Br}\)

The increasing order of the rate of HCN addition to compounds \(\mathrm{A}-\mathrm{D}\) is (a) HCHO (b) \(\mathrm{CH}_{3} \mathrm{COCH}_{3}\) (c) \(\mathrm{PhCOCH}_{3}\) (d) PhCOPh (a) \(a

Among the following mixtures, dipole-dipole as the major interaction, is present in (a) benzene and ethanol (b) acetonitrile and acetone (c) \(\mathrm{KCl}\) and water (d) benzene and carbon tetrachloride

The correct order of increasing acid strength of the compound is (a) \(\mathrm{CH}_{3} \mathrm{CO}_{2} \mathrm{H}\) (b) \(\mathrm{MeOCH}_{2} \mathrm{CO}_{2} \mathrm{H}\) (c) \(\mathrm{CF}_{3} \mathrm{CO}_{2} \mathrm{H}\) (d) \((\mathrm{Me})_{2} \mathrm{CH} \mathrm{CO}_{2} \mathrm{H}\) (a) \(\mathrm{b}<\mathrm{d}<\mathrm{a}<\mathrm{c}\) (b) \(\mathrm{d}<\mathrm{a}<\mathrm{c}<\mathrm{b}\) (c) \(d

In cannizaro reaction given below \(\mathrm{Ph} \mathrm{CHO} \stackrel{\odot}{\stackrel{\circ} \mathrm{OH}}{\longrightarrow} \mathrm{Ph} \mathrm{CH}_{2} \mathrm{OH}+\mathrm{Ph} \ddot{\mathrm{C}} \mathrm{O}_{2}\), the slowest step is: (a) the transfer of hydride to the carbonyl group (b) the abstraction of proton from the carboxylic group (c) the deprotonation of \(\mathrm{Ph} \mathrm{CH}_{2} \mathrm{OH}\) (d) the attack of : \(\mathrm{OH}\) at the carboxyl group

A liquid was mixed with ethanol and a drop of concentrated \(\mathrm{H}_{2} \mathrm{SO}_{4}\) was added a compound with a fruity smell was formed. The liquid was: (a) HCHO (b) \(\mathrm{CH}_{3} \mathrm{COCH}_{3}\) (c) \(\mathrm{CH}_{3} \mathrm{COOH}\) (d) \(\mathrm{CH}_{3} \mathrm{OH}\)

Sodium ethoxide has reacted with ethanoyl chloride. The compound that is produced in the above reaction is: (a) 2-Butanone (b) Ethyl chloride (c) Ethyl ethanoate (d) Diethyl ether