Equilibrium (KVPY Stream SB-SX (Class 12 & 1st Year BSC) Chemistry): Questions 1 - 5 of 15

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 269 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 200.00 or

Question number: 1

» Equilibrium » Ionic Equilibrium » Acids and Bases (Arrhenius, Brnsted - Lowry and Lewis)

Appeared in Year: 2014

MCQ▾

Question

The element that combine with oxygen to give an amphoteric oxide is

Choices

Choice (4) Response

a.

Na

b.

P

c.

N

d.

Al

Question number: 2

» Equilibrium » Le Chatelier's Principle

Appeared in Year: 2014

MCQ▾

Question

The equilibrium constant Kc of the reaction 2AB+C is 0.5at25°C and 1atm . The reaction will proceed in the backward direction when concentrations [A], [B] and [C] are, respectively

Choices

Choice (4) Response

a.

103,102and102M

b.

101,102and102M

c.

102,102and103M

d.

102,103and103M

Question number: 3

» Equilibrium » Chemical Equilibrium

Appeared in Year: 2013

MCQ▾

Question

For the reaction AnB the concentration of A decreases from 0.06 to 0.03molL1 and that of B rises from 0 to 0.06 moll1 at equilibrium. The values of n and the equilibrium constant for the reaction respectively, are

Choices

Choice (4) Response

a.

4 and 0.12

b.

3 and 0.12

c.

5 and 0.12

d.

2 and 0.12

Question number: 4

» Equilibrium » Le Chatelier's Principle

MCQ▾

Question

Which one of the following equillibria shifts forward when the pressure is decreased?

Choices

Choice (4) Response

a.

PCl5PCl3+Cl2

b.

H2+I22HI

c.

N2+3H22NH3

d.

PCl3+Cl2PCl5

Question number: 5

» Equilibrium » Le Chatelier's Principle

MCQ▾

Question

In the reaction N2+3H22NH3 + heat

The formation of NH3 is favoured by -

Choices

Choice (4) Response

a.

Decrease in P and increase in T

b.

Decrease in P and decrease in T

c.

Increase in P and decrease in T

d.

Increase in P and increase in T

Sign In