NEET2024Chemistry-Chemical Equilibrium

NEET 2024 Chemistry Degree of Dissociation MCQ Question

Type: MCQ-numerical-Medium-Class 11

Consider the following reaction in a sealed vessel at equilibrium with concentrations of

N₂ = 3.0 × 10⁻³ M, O₂ = 4.2 × 10⁻³ M and NO = 2.8 × 10⁻³ M.

2NO(g) ⇌ N₂(g) + O₂(g)

If 0.1 mol L⁻¹ of NO(g) is taken in a closed vessel, what will be the degree of dissociation (α) of NO(g) at equilibrium?

A

0.8889

B

0.717

C

0.00889

D

0.0889

Correct Answer

Option B

Detailed Explanation

Using the equilibrium concentrations and the initial concentration of NO, the degree of dissociation can be calculated using the formula for equilibrium constant.

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