Gamma Question Bank for Medical Chemistry>Chapter 7 - Equilibrium>Assignment>Q 10

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The ${pK}_{a}$ and ${pK}_{b}$ value of acetic acid and ammonium hydroxide are $4.78$ and $4.7$ respectively, then the $pH$ of ammonium acetate solution is

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Important Questions on Equilibrium

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Gamma Question Bank for Medical Chemistry>Chapter 7 - Equilibrium>Assignment>Q 12

$HF + H_{2} O \overset{k_{1}}{⟶} H_{3} O^{+} + F^{-}$
$F^{-} + H_{2} O \overset{K_{2}}{⟶} HF + {OH}^{-}$

For the above two reactions which of the given relation is correct?

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Gamma Question Bank for Medical Chemistry>Chapter 7 - Equilibrium>Assignment>Q 13

The

pH

of a solution formed by mixing

40 ml

of

0.1 M HCl

with

10 ml

of

0.45 M

of

NaOH

is :

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Gamma Question Bank for Medical Chemistry>Chapter 7 - Equilibrium>Assignment>Q 14

What is the

pH

of

10^{- 6} MHCl

at

25 ° C ?

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Gamma Question Bank for Medical Chemistry>Chapter 7 - Equilibrium>Assignment>Q 1

The equilibrium constant

K_{c}

for the following reaction will be

K_{2} {CO}_{3} (aq) + {BaSO}_{4} (s) ⇌ {BaCO}_{3} (s) + K_{2} {SO}_{4} (aq)

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Gamma Question Bank for Medical Chemistry>Chapter 7 - Equilibrium>Assignment>Q 3

Ammonium carbamate dissociates as

{NH}_{2} {COONH}_{4 (s)} ⇋ 2 {NH}_{3 (g)} + {CO}_{2 (g)}

In a closed vessel containing ammonium carbamate in equilibrium, ammonia is added such that the partial pressure of

{NH}_{3}

now equals to the original total pressure. The ratio of total pressure now to the original pressure is

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Gamma Question Bank for Medical Chemistry>Chapter 7 - Equilibrium>Assignment>Q 4

When

1

mole of

N_{2}

and

1

mole of

H_{2}

is enclosed in

3 L

vessel and the reaction is allowed to attain equilibrium, it is found that at equilibrium there is

' x'

mole of

H_{2} .

The number of moles of

{NH}_{3}

formed would be

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Gamma Question Bank for Medical Chemistry>Chapter 7 - Equilibrium>Assignment>Q 5

1

mole of

' A', 1.5

mole of

' B'

and

2

mole of

' C'

are taken in a vessel of volume one litre. At equilibrium concentration of

C

is

0.5

mole/L. Equilibrium constant for the reaction,

A_{(g)} + B_{(g)} ⇌ C_{(g)}

is

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Gamma Question Bank for Medical Chemistry>Chapter 7 - Equilibrium>Assignment>Q 6

N_{2} + 3 H_{2} ⇌ 2 {NH}_{3}; K_{c} = 1.2

At the start of a reaction, there are

0.249 mol N_{2}, 3.21 \times 10^{- 2} mol H_{2}

and

6.42 \times 10^{- 4} mol {NH}_{3}

in a

3.50 L

reaction vessel at

375 ° C .

Hence reaction will proceed in