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Inorganic Chemistry MCQs

Master fundamental concepts of Inorganic Chemistry with our topic-wise Inorganic Chemistry MCQs, ideal for students and professionals preparing for competitive exams. These multiple-choice questions cover periodic table trends, chemical bonding, coordination compounds, transition elements, acids and bases, oxidation states, group properties, metallurgy, salt analysis, and qualitative inorganic analysis. Perfect for candidates appearing in PPSC, FPSC, CSS, NTS, SPSC, BPSC, KPSC, ETEA, AJKPSC, and exams for Lecturer Chemistry, laboratory analyst roles, and BSc/MSc Chemistry programs.

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1 Inorganic Chemistry MCQs

What is the chemical formula of Carnallite?

  • KCl
  • KCl·MgCl₂·6H₂O
  • Na₂B₄O₇·10H₂O
  • CaCO₃·MgCO₃
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Correct Answer: B. KCl·MgCl₂·6H₂O

Explanation:

Carnallite is a hydrated potassium magnesium chloride mineral with the chemical formula KCl·MgCl₂·6H₂O. ... Read More Details

2 Inorganic Chemistry MCQs

During the electrolysis of a dilute solution of NaCl, what is produced at the anode?

  • Sodium
  • Hydrogen
  • Chlorine
  • Oxygen
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Correct Answer: C. Chlorine

Explanation:

Electrolysis is the process of using an electric current to drive a non-spontaneous ... Read More Details

3 Inorganic Chemistry MCQs

Which of the following ions has the highest heat of hydration?

  • Al³⁺
  • Cs⁺
  • Ba²⁺
  • Mg²⁺
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Correct Answer: A. Al³⁺

Explanation:

Heat of hydration is the amount of energy released when ions are surrounded ... Read More Details

4 Inorganic Chemistry MCQs

Which of the following compounds is natron?

  • Na₂CO₃
  • Na₂CO₃·10H₂O
  • Na₂CO₃·H₂O
  • NaHCO₃
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Correct Answer: C. Na₂CO₃·H₂O

Explanation:

Natron is a naturally occurring hydrated sodium carbonate. Its chemical formula is Na₂CO₃·H₂O, ... Read More Details

5 Inorganic Chemistry MCQs

Which hydroxide is least ionic in nature and tends to decompose when heated?

  • LiOH
  • NaOH
  • KOH
  • CsOH
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Correct Answer: A. LiOH

Explanation:

Alkali metal hydroxides are ionic compounds consisting of metal cations and hydroxide anions. ... Read More Details

6 Inorganic Chemistry MCQs

Which one of the following hydroxides is least ionic in nature and decomposes on heating?

  • Lithium hydroxide (LiOH)
  • Sodium hydroxide (NaOH)
  • Potassium hydroxide (KOH)
  • Cesium hydroxide (CsOH)
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Correct Answer: A. Lithium hydroxide (LiOH)

Explanation:

Among alkali metal hydroxides, the ionic character depends on the size of the ... Read More Details

7 Inorganic Chemistry MCQs

The word “Alkali” means ?

  • Base
  • Basic salt
  • Ashes
  • Spirit
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Correct Answer: C. Ashes

Explanation:

The term “alkali” has historical significance in chemistry. It comes from the Arabic ... Read More Details

8 Inorganic Chemistry MCQs

Which element is necessary for normal leaf development in plants?

  • Silicon (Si)
  • Barium (Ba)
  • Magnesium (Mg)
  • Calcium (Ca)
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Correct Answer: D. Calcium (Ca)

Explanation:

Calcium (Ca) is a crucial nutrient for plants, playing a significant role in ... Read More Details

9 Inorganic Chemistry MCQs

Nitrates of which pair of elements give different products on thermal decomposition?

  • Na and K
  • Mg and Ca
  • Li and Na
  • Li and Ca
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Correct Answer: C. Li and Na

Explanation:

The thermal decomposition of nitrates depends on the metal cation in the compound. ... Read More Details

10 Inorganic Chemistry MCQs

Which of the following sulphates is not soluble in water?

  • Sodium sulphate (Na₂SO₄)
  • Potassium sulphate (K₂SO₄)
  • Zinc sulphate (ZnSO₄)
  • Barium sulphate (BaSO₄)
0 Comments
Correct Answer: D. Barium sulphate (BaSO₄)

Explanation:

The solubility of sulphates in water varies depending on the metal cation present. ... Read More Details

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