EXERCISE

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Subject Experts Chemistry Solutions for EXERCISE

Simple step-by-step solutions to EXERCISE questions of Chemical Equilibrium from Foundation Course Chemistry. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from EXERCISE with Hints & Solutions

MEDIUM
10th CBSE
IMPORTANT

List-I List-II
(P) CaCO3sCaOs+CO2g 1. Heterogeneous
(Q) PCl5gPCl3g+Cl2g 2. Unitless
(R) H2g+I2g2HIg 3Atm
(S) N2g+3H22NH3g 4Atm-2

MEDIUM
10th CBSE
IMPORTANT

List-I List-II

(P) N2g+3H2g2NH3g

 (endothermic)

1. Forward shift by rise in pressure 

(Q) 2SO2g+O2g2SO3g

 (exothermic)

2. Unaffected by change in pressure

(R) N2g+O2g2NOg

 (endothermic)

3. Forward shift by rise in temperature

(S) PCl3g+Cl2gPCl5g

 (endothermic)

4. Forward shift by lowering the temperature

MEDIUM
10th CBSE
IMPORTANT

List-I List-II
(P) Q=K (1) Reaction is nearer to completion
(Q) Q<K (2) Reaction is not at equilibrium
(R) Q>K (3) Reaction is fast in forward direction
(S) Q>>>1 (4) Reaction is at equilibrium

MEDIUM
10th CBSE
IMPORTANT

List-I List-II
(P) Reaction is reversed  1. K
(Q) Reaction is divided by 2  2. K2
(R) Reaction is multiplied by 2 31/K
(S) Reaction is divided into 2 steps 4K=K1×K2

MEDIUM
10th CBSE
IMPORTANT

List-I List-II
(P) N2g+O2g2NOg-heat 1. Kc<Kp
(Q) PCl5gPCl3g+Cl2g-heat 2. Units of Kp are atm-2
(R) N2g+3H2g2NH3g+heat 3. With increase in temperature, Kc increases 
(S) Cs+H2OgCOg+H2g-heat 4. Equilibrium is unaffected by pressure

MEDIUM
10th CBSE
IMPORTANT

For the reaction involving decomposition of ammonia to form hydrogen and nitrogen gases, the equilibrium constant has the units (bar)n. Then n is 

MEDIUM
10th CBSE
IMPORTANT

G° for the reaction, N2+3H22NH3 is - 33 kJ. The Kp (in atm-2) for the reaction was found to be?

HARD
10th CBSE
IMPORTANT

At 540 K, 0.10 mole of PCl5 are heated in a 8 litre flask. The pressure of the equilibrium mixture is found to be 1.0 atm. The value of Kp (in atm) for the reaction is?