Beta Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>EXERCISE-1>Q 37

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Earn 100

At $55 ° C$ autoprotolysis constant of water is $4 \times 10^{- 14}$ . If a given sample of water has a $pH$ of $6.9$ , then it is

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Important Questions on Equilibrium

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Beta Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>EXERCISE-1>Q 38

0.1 mol HCI

is dissolved in distilled water of volume

V

then

V \overset{\lim}{\to} \infty {(pH)}_{solution}

is equal to-

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Beta Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>EXERCISE-1>Q 39

Which of the following solution will have

pH

close to

1.0 ?

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Beta Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>EXERCISE-1>Q 40

Which of the following is true-

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Beta Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>EXERCISE-1>Q 41

50 %

neutralization of a solution of formic acid

(K_{a} = 2 \times 10^{- 4})

with

NaOH

would result in a solution having a hydrogen ion conecentration of-

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Beta Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>EXERCISE-1>Q 42

The correct order for the increasing extent of hydrolysis is-

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Beta Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>EXERCISE-1>Q 43

The correct order of increasing

pH

of decimolar solution of each of the following in-

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Beta Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>EXERCISE-1>Q 44

When

100 mL

Of

0.4 M {CH}_{3} COOH

are mixed with

100 mL

of

0.2 M NaOH,

The

[H_{3} O^{+}]

in the solution is approximately:

[K_{a} (COOH) = 1.8 \times 10^{- 5}]

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Beta Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>EXERCISE-1>Q 45

A solution is

0.1 M {CH}_{3} CHOOH

and

0.1 M {CH}_{3} CHOONa

. Which of the following will charge the

pH

significantly, of the solution?