Choose the correct expression for $K_{c}$ , for the given reaction
$Z n (s) + 2 H C l (a q) ⇌ Z n C l_{2} (a q) + H_{2} (g)$

K_{c} = [H_{2}]

No worries! We‘ve got your back. Try BYJU‘S free classes today!

K_{c} = \frac{[H_{2}] [Z n C l_{2}]}{[H C l]^{2}}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

K_{c} = \frac{[H_{2}]}{[H C l]}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

K_{c} = \frac{[H_{2}] [Z n C l_{2}]}{[H C l] [Z n]}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $K_{c} = \frac{[H_{2}] [Z n C l_{2}]}{[H C l]^{2}}$
This is an example of heterogenous reaction.
So, considering active masses for pure solids as one.
$K_{c}$ is written as using law of mass action :
$K_{c} = \frac{[H_{2}] [Z n C l_{2}]}{[H C l]^{2}}$

Suggest Corrections

Similar questions

Z n (s) + 2 H C l (a q) ⇌ Z n C l_{2} (a q) + H_{2} (g)

K_{c}

Z n (s) + 2 H C l (a q) ⇌ Z n C l_{2} (a q) + H_{2} (g)

K_{c}

K_{c}

2 H I (g) ⇌ H_{2} (g) + I_{2} (g)

K_{c}

4 N H_{3} (g) + 5 O_{2} (g) ⇌ 4 N O (g) + 6 H_{2} O (g)

Z n (s) + 2 H C l (a q) \to Z n C l_{2} (a q) + H_{2} (g)

Join BYJU'S Learning Program