Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 167

HARD

NEET

IMPORTANT

Earn 100

The concentration of $H_{3} O^{+}$ ions in pure water is $10^{- 6} mol {dm}^{- 3}$ . The corresponding concentration of ${OH}^{-}$ ions will be :

50% studentsanswered this correctly

Important Questions on Equilibrium

HARD

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 168

pH

of pure water is

7

at

298 K

. If the solution is heated to

320 K

, which of the following statement is true?

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 169

The ionic product of water at

25 ° C

is

10^{- 14}

. The ionic product at

90 ° C

will be

HARD

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 170

The values of dissociation constants of some acids (at

25 ° C

) are as follows. Indicate which is the strongest acid in water?

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 171

For two acids

A

and

B, {pK}_{a} = 1 .2, {pK}_{b} = 2 .8

respectively in value, then which is true

HARD

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 172

Select the correct statement:

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 173

The

pH

of

M / 10

HCl is:

HARD

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 174

The

pH

of solution obtained by mixing

500 ml

of

0.15 M H_{2} {SO}_{4}

with

500 ml

of

0.1 M NaOH

is :

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 175

The

pH

value of

10^{- 4} M

NaOH

solution is: