Equilibrium Test

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Equilibrium Test - 59

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Weekly Quiz Competition

Question 1
1 / -0

Which among the following reactions will be favoured at low pressure?

A
$${ N }_{ 2 }(g)+{ O }_{ 2 }(g)\rightleftharpoons 2NO(g)$$

B
$${ H }_{ 2 }(g)+{ I }_{ 2 }(g)\rightleftharpoons 2HI(g)$$

C
$${ PCl }_{ 5 }(g)\rightleftharpoons { PCl }_{ 3 }(g)+{ Cl }_{ 2 }(g)$$

D
$${ N }_{ 2 }(g)+{ 3H }_{ 2 }(g)\rightleftharpoons { 2NH }_{ 3 }(g)$$
Question 2
1 / -0

When a solution of silver nitrate is added to pure carbon tetrachloride :

A
A light blue precipitate soluble in ammonia is obtained

B
A curdy precipitate insoluble in ammonia is obtained

C
A Pale yellow precipitate in ammonia is formed

D
No precipitate is formed
Question 3
1 / -0

With increase in temperature, ionic production of water

A
decreases

B
increases

C
remains same

D
may increases or decreases
Question 4
1 / -0

Which of the following compound has the maximum degree of ionization?

A
$$1 M$$ $$NH_3$$

B
$$0.001 M$$ $$NH_3$$

C
$$0.1 M$$ $$NH_3$$

D
$$0.0001 M$$ $$NH_3$$
Question 5
1 / -0

At any temperature, the proton concentration of water is

A
$${10}^{-7}M$$

B
< $${10}^{-7}M$$

C
> $${10}^{-7}M$$

D
$$\sqrt { { K }_{ w } } $$

Solution
Question 6
1 / -0

Amongst the following hydroxides,the one which has the lowest value of$${ K }_{ SP }$$ is?

A
$${ Mg(OH) }_{ 2 }\quad \quad \quad$$

B
$$Ca(OH)_{ 2 }$$

C
$$Ba(OH)_{ 2 }$$

D
$$Be(OH)_{ 2 }$$
Question 7
1 / -0

Which shows weak ionisation in water?

A
$$H_2SO_4$$

B
$$NaCl$$

C
$$HNO_3$$

D
$$NH_3$$

Solution

Because it is a weak electrolyte. Since the weak electrolytes have fewer ions in the solution.

Option D is correct.
Question 8
1 / -0

How many grams of $$NaOH$$ is to be added to one litre of $$1 M H_2CO_3$$ to get a $$HCO^{-}_3/ CO^{-2}_3$$ buffer of maximum capacity ?

A
90 gm

B
60 gm

C
20 gm

D
50 gm
Question 9
1 / -0

The percentage of pyridine $$\left( {{C_5}{H_5}N} \right)$$ that forms pyridinum ion $$\left( {{C_5}{H_5}{N^ + }H} \right)$$ in a $$0.10M$$ aqueous pyridine solution $$\left( Given - {{K_b}, for \ {C_5}{H_5}N = 1.7 \times {{10}^{ - 9}}} \right)$$ is?

A
$$0.0060\% $$

B
$$0.013\% $$

C
$$0.77\% $$

D
$$1.6\% $$

Solution
Question 10
1 / -0

Ammonia is formed by Haber's process as $$N_2(g)+3H_2(g) \rightleftharpoons 2NH_3(g) \Delta H=(-)Ve,$$ the favourable condition for formation of ammonia is

A
Low temperature, high pressure

B
High temperature, low pressure

C
High temperature, high pressure

D
Low temperature, low pressure

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Re-Attempt Weekly Quiz Competition

Equilibrium Test - 59

Result

Equilibrium Test - 59

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Question 1

$${ N }_{ 2 }(g)+{ O }_{ 2 }(g)\rightleftharpoons 2NO(g)$$

$${ H }_{ 2 }(g)+{ I }_{ 2 }(g)\rightleftharpoons 2HI(g)$$

$${ PCl }_{ 5 }(g)\rightleftharpoons { PCl }_{ 3 }(g)+{ Cl }_{ 2 }(g)$$

$${ N }_{ 2 }(g)+{ 3H }_{ 2 }(g)\rightleftharpoons { 2NH }_{ 3 }(g)$$

Question 2

A light blue precipitate soluble in ammonia is obtained

A curdy precipitate insoluble in ammonia is obtained

A Pale yellow precipitate in ammonia is formed

No precipitate is formed

Question 3

decreases

increases

remains same

may increases or decreases

Question 4

$$1 M$$ $$NH_3$$

$$0.001 M$$ $$NH_3$$

$$0.1 M$$ $$NH_3$$

$$0.0001 M$$ $$NH_3$$

Question 5

$${10}^{-7}M$$

< $${10}^{-7}M$$

> $${10}^{-7}M$$

$$\sqrt { { K }_{ w } } $$

Solution

Question 6

$${ Mg(OH) }_{ 2 }\quad \quad \quad$$

$$Ca(OH)_{ 2 }$$

$$Ba(OH)_{ 2 }$$

$$Be(OH)_{ 2 }$$

Question 7

$$H_2SO_4$$

$$NaCl$$

$$HNO_3$$

$$NH_3$$

Solution

Question 8

90 gm

60 gm

20 gm

50 gm

Question 9

$$0.0060\% $$

$$0.013\% $$

$$0.77\% $$

$$1.6\% $$

Solution

Question 10

Low temperature, high pressure

High temperature, low pressure

High temperature, high pressure

Low temperature, low pressure

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