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Ionic Equilibria Chemistry - Ionic Equilibria

Maharashtra Board - STD 12 - Chemistry (MSBSHSE - Semi English Medium). 212 questions in this chapter.

Question types

Ionic Equilibria question types

212 questions across 4 question groups — pick any mix to generate a Chemistry paper with step-by-step answer keys.

212
Questions
4
Question groups
5
Question types
Sample Questions

Ionic Equilibria questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 2MCQ1 Mark
Identify weak acid weak base salt from following.
  • ✓
    Ammonium acetate
  • B
    Potassium bromide
  • C
    Ammonium chloride
  • D
    Ammonium sulphate

Answer: A.

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Q 3MCQ1 Mark
An acid dissociated to $1.5 \%$ in it's $0.1 M$ solution. Calculate it's dissociation constant.
  • A
    $1.2 \times 10^{-5}$
  • ✓
    $2.25 \times 10^{-5}$
  • C
    $1.1 \times 10^{-5}$
  • D
    $1.5 \times 10^{-5}$

Answer: B.

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Q 4MCQ1 Mark
What is the $P ^{ H }$ of solution having $H ^{+}$ion concentration $3.981 \times 10^{-7} M$ ? $(\log 3.981=0.6000)$
  • A
    $4.6$
  • ✓
    $6.4$
  • C
    $7.6$
  • D
    $5.6$

Answer: B.

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Q 5MCQ1 Mark
Which among the following is NOT Lewis acid?
  • ✓
    $H _2 O$
  • B
    $BF _3$
  • C
    $AlCl _3$
  • D
    $Ag ^{+}$

Answer: A.

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Q 12Answer the following in brief.3 Marks
Home made jams and jellies without any added chemical preservative additives spoil in a few days whereas commercial jams and jellies have a long shelf life. Explain. What role does added sodium benzoate play ?
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