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Ionic Equilibrium — BITSAT Chemistry PYQs

22 previous year questions from Ionic Equilibrium with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

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Ionic Equilibrium — BITSAT Chemistry PYQs

The pH of 1 N aqueous solutions of HCl , CH ₃ COOH and HCOOH follows the order:

20 mL of 0.1 M acetic acid is mixed with 50 mL of potassium acetate. K_ of acetic acid =1.8 10⁻⁵ at 27^ C . Calculate the concentration of potassium acetate if pH of mixture is 4.8

Which of the following molecules acts as a Lewis acid?

Which one of the following molecular hydrides acts as a Lewis acid?

100 ~mL of 2 M of formic acid ( p K_a=3.74 ) is neutralise by NaOH , at the equivalence point pH is

What is [ NH ₄⁺ ] in a solution that is 0.02 M NH ₃0.01 M KOH ? [K_b ( NH ₃ )=1.8 10⁻⁵ ]

The solubility of silver bromide in hypo solution involves the formation of:

A solution of NH ₄ Cl and NH ₃ has pH =8.0 . Which of the following hydroxides may be precipitated when this solution is mixed with equal volume of 0.2 M of metal ion.

Given pH of a solution ' A ' is ' 3 ' and it is mixed with another solution ' B ' having pH ' 2 ' . If both solutions are mixed, the resultant pH of

pH of a saturated solution of Ba OH 2 is 12 . The value of its K sp is

BF 3 is an acid, according to

The percentage hydrolysis of 0.15 M solution of ammonium acetate, K _ a for CH ₃ COOH is 1.8 10⁻⁵ and K _ b for NH ₃ is 1.8 10⁻⁵

For a sparingly soluble salt A_ p B_ q , the relationship of its solubility product L s K_ s p with its solubility (S) is

What is the correct increasing order of Bronsted bases?

K_ c for the the reaction, [ Ag ( CN )₂ ] Ag ⁺+2 CN ⁻, the equillibrium constant at 25^ C is 4.0 10⁻¹⁹ then the silver ion concentration in a solution which was originally 0.1 mola

Identify the correct order of solubilty of Na ₂ ~S , CuS and ZnS in aqueous medium

The pOH value of a solution whose hydroxide ion concentration is 6.2 10⁻⁹ ~mol / litre is

Which of the following combinations would not result in the formation of a buffer solution?

CO ₂ goes to air, causes green house effect and gets dissolved in water. What will be the effect on soil fertility and pH of the water?

The pH of a solution is increased from 3 to 6 ; its H ⁺ ion concentration will be

Which of these is least likely to act as Lewis base?

The K _ sp of CuS , Ag ₂ ~S and HgS are 10⁻³¹, 10⁻⁴⁴ and 10⁻⁵⁴ respectively. The solubility of these sulphides are in the order :

Ionic Equilibrium — BITSAT Chemistry PYQs

The pH of 1 N aqueous solutions of HCl , CH ₃ COOH and HCOOH follows the order:

20 mL of 0.1 M acetic acid is mixed with 50 mL of potassium acetate. K_ of acetic acid =1.8 10⁻⁵ at 27^ C . Calculate the concentration of potassium acetate if pH of mixture is 4.8

Which of the following molecules acts as a Lewis acid?

Which one of the following molecular hydrides acts as a Lewis acid?

100 ~mL of 2 M of formic acid ( p K_a=3.74 ) is neutralise by NaOH , at the equivalence point pH is

What is [ NH ₄⁺ ] in a solution that is 0.02 M NH ₃0.01 M KOH ? [K_b ( NH ₃ )=1.8 10⁻⁵ ]

The solubility of silver bromide in hypo solution involves the formation of:

A solution of NH ₄ Cl and NH ₃ has pH =8.0 . Which of the following hydroxides may be precipitated when this solution is mixed with equal volume of 0.2 M of metal ion.

Given pH of a solution &#39; A &#39; is &#39; 3 &#39; and it is mixed with another solution &#39; B &#39; having pH &#39; 2 &#39; . If both solutions are mixed, the resultant pH of

pH of a saturated solution of Ba OH 2 is 12 . The value of its K sp is

BF 3 is an acid, according to

The percentage hydrolysis of 0.15 M solution of ammonium acetate, K _ a for CH ₃ COOH is 1.8 10⁻⁵ and K _ b for NH ₃ is 1.8 10⁻⁵

For a sparingly soluble salt A_ p B_ q , the relationship of its solubility product L s K_ s p with its solubility (S) is

What is the correct increasing order of Bronsted bases?

K_ c for the the reaction, [ Ag ( CN )₂ ] Ag ⁺+2 CN ⁻, the equillibrium constant at 25^ C is 4.0 10⁻¹⁹ then the silver ion concentration in a solution which was originally 0.1 mola

Identify the correct order of solubilty of Na ₂ ~S , CuS and ZnS in aqueous medium

The pOH value of a solution whose hydroxide ion concentration is 6.2 10⁻⁹ ~mol / litre is

Which of the following combinations would not result in the formation of a buffer solution?

CO ₂ goes to air, causes green house effect and gets dissolved in water. What will be the effect on soil fertility and pH of the water?

The pH of a solution is increased from 3 to 6 ; its H ⁺ ion concentration will be

Which of these is least likely to act as Lewis base?

The K _ sp of CuS , Ag ₂ ~S and HgS are 10⁻³¹, 10⁻⁴⁴ and 10⁻⁵⁴ respectively. The solubility of these sulphides are in the order :

Given pH of a solution ' A ' is ' 3 ' and it is mixed with another solution ' B ' having pH ' 2 ' . If both solutions are mixed, the resultant pH of