Equilibrium Test

Directions For Questions

Equilibrium constants are given ( in atm ) for the following reactions at $$\displaystyle 0^{\circ}C$$ :

$$\displaystyle SrCl_{2} \: . \: 6H_{2}O(s)\rightleftharpoons SrCl_{2} \: . \: 2H_{2}O(s)+4H_{2}O(g)$$ $$\displaystyle K_{p}=5\times 10^{-12}$$

$$\displaystyle Na_{2}HPO_{4}\: .\: 12H_{2}O(s)\rightleftharpoons Na_{2}HPO_{4} \: .\: 7H_{2}O(s)+5H_{2}O(g)$$ $$\displaystyle K_{p}=2.43\times 10^{-13}$$

$$\displaystyle Na_{2}SO_{4}\: .\: 10H_{2}O(s)\rightleftharpoons Na_{2}SO_{4} \: (s)+10 H_{2}O(g)$$ $$\displaystyle K_{p}=1.024\times 10^{-27}$$

The vapor pressure of water at $$\displaystyle 0^{\circ}C\ is \ 4.56\ torr $$ ?

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Equilibrium Tes...

Question 1

$$1\times 10^{-6}$$

$$1\times 10^{8}$$

$$1\times 10^{-8}$$

$$1\times 10^6$$

Question 2

$$2NH_{3}(g) \rightleftharpoons 2N_{2}(g)+3H_{2}(g)$$

$$C(g) +\frac{1}{2}O_{2}(g)\rightleftharpoons CO(g)$$

$$H_{2}(g)+\frac{1}{2}O_{2}(g)\rightleftharpoons H_{2}O(g)$$

$$H_{2}(g)+I_{2}(g)\rightleftharpoons 2HI(g)$$

Question 3

Concentrations of $$SO_{2},Cl_{2}$$ and $$SO_{2}Cl_{2}$$ do not change.

More chlorine is formed.

Concentration of $$SO_{2}$$ is reduced.

More $$SO_{2}Cl_{2}$$ is formed.

Question 4

low temperature,high pressure

any value of T and P

low temperature and low pressure

high temperature and high pressure

Question 5

$$N_{2}(g)+O_{2}(g)\rightleftharpoons 2NO(g)$$

$$PCl_{5}(g)\rightleftharpoons PCl_{3}(g)+Cl_{2}(g)$$

$$N_{2}(g)+3H_{2}(g)\rightleftharpoons 2NH_{3}(g)$$

$$SO_{2}Cl_{2}(g)\rightleftharpoons SO_{2}(g)+Cl_{2}(g)$$

Question 6

acidic buffer solution

basic buffer solution

in pure water

equal in all solution

Question 7

$$SrCl_{2}\cdot 2H_{2}O$$

$$Na_{2}HPO_{4}\cdot 7 H_{2}O$$

$$Na_{2}SO_{4}$$

$$All\ equally$$

Question 8

Statement-1 is true, Statement -2 is true and Statement-2 is correct explanation for Statement-1

Statement-1 is true, Statement-2 is true and Statement -2 is NOT the correct explanation for Statement-1

Statement-1 is false, Statement-2 is true

Statement-1 is true, Statement-2 is false

Question 9

$$6.4\times10^{-4}$$

$$8.8\times10^{-4}$$

$$6.95\times10^{-4}$$

$$7.6\times10^{-4}$$

Question 10

$${10}^{-6}$$

$${10}^{-12}$$

$${10}^{-8}$$

$${10}^{-14}$$

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