NEET 2020 Phase 1 | Ionic Equilibrium Question 7 | Chemistry

NEET 2020 Phase 1

MCQ (Single Correct Answer)

-1

Find out the solubility of Ni(OH)₂ in 0.1M NaOH. Given that the ionic product of Ni(OH)₂ is 2 $$ \times $$ 10^-15.

2 $$ \times $$ 10^-8 M

1 $$ \times $$ 10^-13 M

1 $$ \times $$ 10⁸ M

2 $$ \times $$ 10^-13 M

NEET 2019

MCQ (Single Correct Answer)

-1

Conjugate base for Bronsted acids H₂O and HF are :

OH^– and F^– , respectively

H₃O⁺ and H₂F⁺ , respectively

OH^– and H₂F⁺ , respectively

H₃O⁺ and F^– , respectively

NEET 2019

MCQ (Single Correct Answer)

-1

pH of a saturated solution of Ca(OH)₂ is 9. The solubility product (K_sp) of Ca(OH)₂ is :

0.125 × 10^–15

0.5 × 10^–10

0.5 × 10^–15

0.25 × 10^–10

NEET 2019

MCQ (Single Correct Answer)

-1

Which will make basic buffer?

100 mL of 0.1 M HCl + 200 mL of 0.1 M NH₄OH

100 mL of 0.1 M HCl + 100 mL of 0.1 M NHOH

50 mL of 0.1 M NaOH + 25 mL of 0.1 M CH₃COOH

100 mL of 0.1 M CH₃COOH + 100 mL of 0.1 M NaOH

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