Which equilibrium constant expression(s) are for the following reaction. I 2 (g)

ID: 492750 • Letter: W

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)

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-]2eq[Pb2+]eq enter AH.)

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+]-1eq[HCN]eq enter 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

Answer 1)

I2 (g) <-----> I2 (sol.)

Kc = [I2]sol. or Kp = 1 / pI2. = (pI2)-1.

Ans : BC

=====================================

2) Pb2+ (aq) + 2 I- (aq) <--------> PbI2 (s)

Kc = 1 / ([Pb2+]1[I-]2) = [Pb2+]-1[I-]-2.

Answer : DK

========================================

3) HCN(aq) + H2O(l) <---------> CN(aq) + H3O+(aq)

Kc = ([CN][H3O+]) / ([HCN][H2O])

Kc = [CN][H3O+][HCN]-1[H2O]-1.

Ans : CDEF

======================XXXXXXXXXXXXXXXXXX===================

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.