Chapter 10

The organic compound (Cyclohex-3-enyl) 2 -ethyl cyclobutanecarboxylate does not contains (a) two \(3^{\circ}\) -carbon atoms (b) two \(1^{\circ}\) -carbon atoms (c) 9 secondary \(\mathrm{C}\) -atoms (d) one \(1^{\circ}\) -carbon atoms

The IUPAC name of (a) N-Cyclohexylbenzamide (b) N-Phenyl-N-cyclohexylmethanamide (c) N-phenylcyclohexane carboxamide (d) N-Cyclohexyl-N-phenylmethyl amide

IUPAC name of isopentyl alcohol is (a) 1-Hydroxy-2-methyl pentane (b) 3-Methyl butan-1-ol (c) 2 -Methyl propanol (d) 2-Methyl-2-butanol

The IUPAC name of (a) 3 -Methyl cyclobut-1-ene-2-ol (b) 2 -Methyl cyclobut-3-ene-1-ol (c) 4 -Methyl cyclobut-1-ene-3-ol (d) 4 -Methyl cyclobut-2-en-1-ol

Correct name for \(\left(\mathrm{C}_{2} \mathrm{H}_{3}\right)_{2} \mathrm{C}=\mathrm{C}\left(\mathrm{CH}_{3}\right) \mathrm{CH}_{2} \mathrm{CO}_{2} \mathrm{H}\) (a) 4,4 -Diethyl-3-methyl-3-butenoic acid (b) 4-Ethyl-3-methyl-3-hexenoic acid (c) 3-Ethyl-4-methyl-3-hexenoic acid (d) 3-Ethyl-4-methyl-3-hexen-6-oic acid

Which statement is incorrect in the following? (a) Methyl acetate is the first higher homologue of methyl formate. (b) Propanoic acid and propionic acid are identical. (c) Vinyl alcohol is the lower homologue of propionaldehyde. (d) \(\mathrm{CH}_{3}-\mathrm{NH}-\mathrm{CH}_{2}-\mathrm{CH}_{3}\) is the lower homologue of \(\mathrm{CH}_{3}-\mathrm{CH}-\mathrm{NH}-\mathrm{CH}_{3}\)

Number of C-atoms in first higher homologue of first member of ester family is (a) 5 (b) 4 (c) 3 (d) 2

Which statement is correct in the following? (a) Alicyclic compounds are acyclic compounds. (b) In secondary amine, nitrogen is attached to \(2^{\circ}\) carbon atom. (c) \(1^{\circ}, 2^{\circ}, 3^{\circ}\) amines are homologues of each other. (d) \(\mathrm{HCOOCH}_{3}\) and \(\mathrm{CH}_{3} \mathrm{COOH}\) are not homologues of each other

The IUPAC name of (a) 2, 3-Methyl-1-ethylcyclohex-4-ene (b) 5-Ethyl-3, 4-dimethylcyclohex-1-ene (c) 4 -Ethyl-5, 6-dimethylcyclohex-1-ene (d) 1-Ethyl-2, 3-dimethylcyclohex-4-ene

Which of the following names is correct? (a) 4, 4-Dimethyl-3-ethylpentane (b) 3 -Methyl-4-oxobutanoic acid (c) 1-Ethyl-2-methylpent-4-ene (d) Bicyclo[1.2.3]heptane

IUPAC name of the compound \(\mathrm{OHC}-\mathrm{CH}_{2}-\mathrm{CH}_{2}-\mathrm{CH}-\mathrm{CH}_{2}-\mathrm{CHO}\) is (a) 4,4 -Di (formylmethyl) butanal (b) 2 -(formylmethyl) butane- 1,4 -dicarbaldehyde (c) Hexane-3-acetal-1, 6 -dial (d) 3 -(formylmethyl) hexanedial

Write the IUPAC name of the following compound (a) \(3-(1,1\) -dimethylethenyl)-3-ethyl-2-methyl- 1,4 hexadiene (b) 3 -ethyl-2-methyl-3-(1,1-dimethylethenyl)-1,4 hexadiene (c) 3 -ethyl-2-2-dimethyl-3-(1-methylethenyl)-1,4 hexadiene (d) 3 -ethyl-3-(1-methylethenyl)-2-2-dimethyl-1,4 hexadiene

Ratio of \(\pi\) - and \(\sigma\) -bonds in \(\mathrm{Ph}\) -COOH will be (a) \(5: 3\) (b) \(3: 5\) (c) \(3: 16\) (d) \(4: 15\)

Identify incorrect matching in the following (a) Allyl alcohol-Prop-2-en-1-ol (b) Vinyl alcohol-Ethenol (c) Propargyl alcohol-But-3-yn-1-ol (d) Acrylaldehyde-2-Propenal

Which of the following compounds has isopropyl group? (a) \(2,2,3,3\) -Tetramethyl pentane (b) 2,2-Dimethyl pentane (c) \(2,2,3\) -Trimethyl pentane (d) 2-Methyl pentane

(a) 1-Ethyl-3,3-dimethylcyclohexane (b) 3,3-Dimethyl-1-ethylcyclohexane (c) 3-Ethyl-1,1-dimethylcyclohexane (d) 1,1 -Dimethyl-3-ethylcyclohexane

(a) 4-Isobutyl-3-pentyloctane (b) 5-Ethyl-4-methyl-6-(2-methylpropyl)decane (c) 6-Ethyl-7-methyl-5-(methylpropyl) decane (d) 4-Butyl-5-ethyl-2,6-dimethylnonane

(S)-(N,4)-dimethyl-3-aminopentan-2-one

Name(s) of (a) Isopropyl cyanide (b) Sec-propyl cyanide (c) Isobutyro nitrile (d) 2 -methyl propane nitrile

In Lassaigne's test, the organic compound is at first fused with sodium metal. The sodium metal is used because (a) The melting point of sodium is low; so, it is easily fused with organic substances. (b) Sodium is very much effective to bring about destructive reductions of organic compounds forming ionic inorganic salts such as \(\mathrm{NaCN}, \mathrm{Na}_{2} \mathrm{~S}\) and \(\mathrm{NaX}\). (c) All sodium salts are soluble in water. (d) None of these.

Chromatographic technique can be used for separation of (a) Volatile solids (b) Amino acids (c) Plant pigments (d) Sugars

(a) 3 -(3'-isopropoxycarbonyl cyclopentylidene) propane-1-ol (b) 3 -( \(2^{\prime}\) '-bromo-3'-hydroxypropylidene) cyclopentane carboxylate (c) Iso-propyl-3-(2'-bromo-3'-hydroxypropylidenyl) cyclopentane carboxylate (d) Iso-propyl-3-(2'-bromo-3'-hydroxypropylidene) cyclopentane carboxylate

Consider the given statements (i) Acetone and acetaldehyde are homologues.

IUPAC name of (a) 2-Cyano-4-methylpentane (b) 2-Methyl-4-cyanopentane (c) 2,4 -Dimethyl pentane nitrile (d) 2-Dimethyl-4-cyanopentane

The correct IUPAC name of the following compound is (a) \(5-\left(1^{\prime}, 1^{\prime} 2^{\prime}\right.\) -trimethyl propyl)-2-2-dimethyl nonane (b) 4 -Butyl- \(2,3,3,7,7\) -pentamethylnonane (c) \(2,3,3,7,7\) -Pentamethyl-4-butyloctane (d) 2,2-Dimethyl-5-(1', \(1^{\prime}, 2^{\prime}\) trimethylpropyl)nonane