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JEE Ionic Equilibrium PYQs with Solutions

20 previous year questions from Ionic Equilibrium (JEE Main & Advanced NSEC) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

20 questionsNSECAnswers + solutions

About Ionic Equilibrium PYQs

Ionic Equilibrium has 20 previous year questions in the Quantrex Academy JEE Main & Advanced NSEC bank. The 20 questions in this list come from Olympiad workbook (20). Each question opens on its own page with the options, the correct answer and the worked solution where available.

Ionic Equilibrium questions with solutions

The pH of a 1.0 × 10^ -3 ~mol ~L^ -1 solution of a weak acid HA is 3.60 . The dissociation constant of the acid is

Olympiad workbook Solution View → 2

The solution with pH value close to 1 is

Olympiad workbook Solution View → 3

The colour changes of an indicator HIn in acid base titrations is given below Which of the following statements is correct?

Olympiad workbook Solution View → 4

Which of the following graphs describes the relationship between [H_3 O^ + ] and [OH^ - ] in an aqueous solution at a constant temperature?

Olympiad workbook Solution View → 5

If the solubility product of iron(III) hydroxide is 1.8 × 10^ -37 , the pH of a saturated solution of iron(III) hydroxide in distilled water is close to

Olympiad workbook Solution View → 6

Which of the following statement/s is/are correct about weak acids in aqueous solutions? I. When pH=pKa of a monoprotic acid, 50 \% of the acid is ionised II. If pH=pKa_2 of a

Olympiad workbook Solution View → 7

Among the following pairs, the one in which both the compounds as pure liquids can show significant auto ionization is

Olympiad workbook Solution View → 8

The percentage dissociation of 0.08 M aqueous acetic acid solution at 25^ ^ ^ ∘ C is (K_ a . of acetic acid at .25^ ^ ^ ∘ C=1.8 × 10^ -5 )

Olympiad workbook Solution View → 9

If for an aqueous solution of a weak acid, pH=pK_ a +2 at 25^ ^ ^ ∘ C , the approximate fraction of the acid in the dissociated form is

Olympiad workbook Solution View → 10

Aqueous solution of slaked lime, Ca(OH)_2 , is extensively used in municipal waste water treatment. Maximum pH possible in an aqueous solution of slaked lime is (K_ sp . of

Olympiad workbook Solution View → 11

At 25^ ^ ^ ∘ CK_ a of HPO_4 ^ 2- and HSO_3 ^ - are 4.8 × 10^ -13 and 6.3 × 10^ -8 respectively. Which of the following is correct?

Olympiad workbook Solution View → 12

Morphine, a pain killer is basic with the molecular formula C_ 17 H_ 19 NO_3 . The conjugate acid of morphine is

Olympiad workbook Solution View → 13

The volume of one drop of aqueous solution from an eyedropper is approximately 0.05 mL . One such drop of 0.2 M HCl is added to 100 mL of distilled water. The pH of the resulting

Olympiad workbook Solution View → 14

Which of the following aqueous solution/s will have a pH value between 4.0 and 5.0 at 25^ ^ ^ ∘ C ?

Olympiad workbook Solution View → 15

The pOH of the solution obtained by mixing 30 mL of a strong monobasic acid of pH 3.0 and 70 mL of a strong monoacidic base of pH 12.0 at 298 K is

Olympiad workbook Solution View → 16

The pH of the solution produced by complete consumption of 10 mL of 0.4 M NaOH to ' x ' mL of 0.5 MCH_3 COOH was found to be 4.57. The value of ^ ^ (mL) is (. Given -K_ a of .CH_3

Olympiad workbook Solution View → 17

The correct order of concentrations of the ions/molecules present in 1.0 L of 1.0 M H_2 SO_4(aq) solution is

Olympiad workbook Solution View → 18

The correct statements among the following is /are

Olympiad workbook Solution View → 19

In each of the following reactions, role of water is: (i) H_2 O+HCl arrow H_3 O^ + +Cl^ - (ii) 6 H_2 O+Mg^ 2+ arrow[Mg(H_2 O)_6]^ 2+ (iii) 2 H_2 O+2 ~F_2 arrow 4 HF+O_2

Olympiad workbook Solution View → 20

Given below is the plot of pH vs volume of NaOH added in an acid-base titration. The correct statement/s among the following is/are:

Olympiad workbook Solution View →

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Main Ionic Equilibrium list

The larger JEE Ionic Equilibrium list is under Chemistry (391 questions).

Related JEE NSEC chapters

Some Basic Concepts of Chemistry (60)Electrochemistry (52)Thermodynamics (C) (50)Structure of Atom (50)General Organic Chemistry (44)Chemical Kinetics (42)Chemical Bonding and Molecular Structure (34)Coordination Compounds (33)Hydrocarbons (29)Solid State (22)Alcohols Phenols and Ethers (19)Solutions (18)

Ionic Equilibrium in other exams

NEET Ionic Equilibrium (764)BITSAT Ionic Equilibrium (22)