Question

Which equilibrium constant expression(s) are for the following reaction.

I₂(g)↔I₂(solution)

Choose from the list below and enter the letters alphabetical order. (e.g. AH)

A) (pI2)eq	F) [I2(solution)]eq2
B) [I2(solution)]eq	G) (pI2)eq-2
C) (pI2)eq-1	H) [I2(solution)]eq-2
D) [I2(solution)]eq-1

What is the equilibrium constant expression for the following reaction:

Pb²⁺(aq) + 2I⁻(aq)↔PbI₂(s)

Choose from the list below and enter the letters alphabetical order. (e.g. For an equilibrium constant of [I^-]²_eq[Pb²⁺]_eq enter AH.)

A) [Pb2+]eq	E) [I-]-1eq	I) (XPbI2)2eq
B) [I-]eq	F) (XPbI2)-1eq	J) [Pb2+]-2eq
C) (XPbI2)eq	G) [Pb2+]2eq	K) [I-]-2eq
D) [Pb2+]-1eq	H) [I-]2eq	L) (XPbI2)-2eq

What is the equilibrium constant expression for the following reaction:

HCN(aq) + H₂O(l)↔CN⁻(aq) + H₃O⁺(aq)

Choose from the list below and enter the letters alphabetical order. (e.g. For an equilibrium constant of [H₃O⁺]^-1_eq[HCN]_eq enter AH.)

A) [HCN]eq	E) [HCN]-1eq	I) (XPbI2)2eq
B) [H2O]eq	F) [H2O]-1eq	J) [Pb2+]-2eq
C) [CN-]eq	G) [CN-]-1eq	K) [I-]-2eq
D) [H3O+]eq	H) [H3O+]-1eq	L) (XPbI2)-2eq

Answer 1