The exothermic formation of ClF 3 is represented by the following equation: Cl 2 g + 3 F 2 g ⇌ 2 ClF 3 g ; ΔH = - 329 kJ Which of the following will increase the quantity of ClF 3 in the equilibrium mixture of Cl 2 , F 2 and ClF 3 ?

Increasing the volume of the container.

E M B I B E

Alpha Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>Exercise-4>Q 23

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IMPORTANT

Earn 100

When ${FeCl}_{3}$ gets soluble in water, then its solution represents which of the following characteristics?

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Important Questions on Equilibrium

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Alpha Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>Exercise-4>Q 25

10 mL

of

\frac{M}{5} {CH}_{3} COOH

solution is mixed with

10 mL

\frac{M}{5} {NH}_{4} OH

of solution. The change in

pH

of solution upon diluting each solution fo double volume will be:

({pK}_{a}

{CH}_{3} COOH = 4.76, {pK}_{b}

of of

{NH}_{4} OH = 4.74)

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Alpha Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>Exercise-4>Q 26

H_{2} A

is a diprotic acid for which

K_{a_{1}} = 10^{- 7}

K_{a_{2}} = 10^{- 11}

and the solution which will have

pH

a closest to

9

is:

HARD

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IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>Exercise-4>Q 27

$S_{1} :$ The $pH$ of solution made by dissolving $1 mole$ each of $HCl,$ $NaOH$ $& {CH}_{3} {COONH}_{4}$ in the same beaker is $7,$ if ${pK}_{a} ({CH}_{3} COOH) = {pK}_{b} ({NH}_{3})$ .
$S_{2} :$ Methyl orange can be used as an indicator in the titration of ${CH}_{3} COOH$ with $NaOH .$