Q4.91P

Predict the product(s) and write a balanced equation for each of the following redox reactions:

$(a) S r (s) + B r_{2} (l) \to$

$(b) A g_{2} O (s) \overset{Δ}{\to}$

$(c) M n (s) + C u {(N O_{3})}_{2} (a q) \to$

Verified

Answer

The product and the balance equation of the given reactions are:

(a) $S r (s) + B r_{2} (l) \to S r B r_{2} (s)$

(b) $2 A g_{2} O (s) \overset{Δ}{\to} 4 A g (s) + O_{2} (g)$

1Step 1: Determine the product of the equation (a)

The given redox reaction is a combination reaction.

Strontium combines with bromine and forms strontium bromide.

It is a reaction of metal-non metal which produce ionic compound.

The given reaction is:

$S r (s) + B r_{2} (l) \to$

The balanced reaction is:

$S r (s) + B r_{2} (l) \to S r B r_{2} (s)$

2Step 2: Determine the product of the equation (b)

The given redox reaction is a decomposition reaction.

Silver oxide decomposes and forms silver and oxygen

The given reaction is:

$A g_{2} O (s) \overset{Δ}{\to}$

The balanced reaction is:

$2 A g_{2} O (s) \overset{Δ}{\to} 4 A g (s) + O_{2} (g)$

3Step 3 : Determine the product of the equation (c)

The given redox reaction is a displacement reaction.

The given reaction is:

$M n (s) + C u {(N O_{3})}_{2} (a q) \to$

The balanced reaction is:

$M n (s) + C u {(N O_{3})}_{2} (a q) \to M n {(N O_{3})}_{2} (a q) + C u (s)$

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