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AI Gen: Chemical Equilibrium Advanced question bank (Chemistry)

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Q1.

For the gaseous dissociation reaction A2(g) <=> 2A(g), the degree of dissociation alpha is small compared to 1. The pressure dependence of alpha and the equilibrium constant Kp are related such that:

Topic: Chemical Equilibrium Advanced | Source: AI Generated (JEE Advanced)

(A)

alpha is directly proportional to pressure P

(B)

alpha is inversely proportional to the square root of pressure P

(C)

alpha is directly proportional to the square root of P

(D)

alpha is independent of pressure P

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Q2.

An aqueous solution contains 0.1 M H2S and 0.2 M HCl. Given that the dissociation constants for H2S are Ka1 = 1.0 x 10^-7 and Ka2 = 1.3 x 10^-13, the concentration of sulfide ions [S^2-] in the solution is:

Topic: Chemical Equilibrium Advanced | Source: AI Generated (JEE Advanced)

(A)

1.3 x 10^-13 M

(B)

6.5 x 10^-20 M

(C)

2.6 x 10^-20 M

(D)

1.0 x 10^-7 M

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