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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

Which one of the following elements has a melting point below 0°C?

  • Nitrogen (N)
  • Phosphorus (P)
  • Carbon (C)
  • Bismuth (Bi)
0 Comments
Correct Answer: A. Nitrogen (N)

Explanation:

The melting point of an element is the temperature at which it changes ... Read More Details

2 Inorganic Chemistry MCQs

The most electronegative element among the following is:

  • Antimony (Sb)
  • Nitrogen (N)
  • Arsenic (As)
  • Phosphorus (P)
0 Comments
Correct Answer: B. Nitrogen (N)

Explanation:

Electronegativity is a measure of the tendency of an atom to attract a ... Read More Details

3 Inorganic Chemistry MCQs

Phosphine gas will be produced if phosphorous acid (H₃PO₃) is subjected to:

  • Oxidation
  • Reduction
  • Decomposition
  • Both B & C
0 Comments
Correct Answer: C. Decomposition

Explanation:

Phosphorous acid (H₃PO₃) is a diprotic acid and an important compound of phosphorus ... Read More Details

4 Inorganic Chemistry MCQs

Which one of the following is not a property of pure quartz?

  • Coloured solid
  • Brittle
  • Hard
  • All of the above
0 Comments
Correct Answer: A. Coloured solid

Explanation:

Quartz is one of the most abundant and well-known minerals on Earth, composed ... Read More Details

5 Inorganic Chemistry MCQs

Which of the following does not contain phosphorus?

  • Yolk of egg
  • Bone
  • Nerves
  • Steel
0 Comments
Correct Answer: D. Steel

Explanation:

Phosphorus is a vital non-metallic element found in many organic and inorganic compounds. ... Read More Details

6 Inorganic Chemistry MCQs

Which one of the following is not a use of graphite?

  • Lead pencils
  • Abrasive
  • Lubricant
  • Electrode in an electrolytic cell
0 Comments
Correct Answer: B. Abrasive

Explanation:

Graphite is a soft, black, crystalline form of carbon known for its unique ... Read More Details

7 Inorganic Chemistry MCQs

What is the composition of the brown ring formed in the nitrate test?

  • FeSO₄·NO
  • FeSO₄·NO₂
  • FeSO₄·NO₃
  • FeSO₄·N₂O
0 Comments
Correct Answer: A. FeSO₄·NO

Explanation:

The brown ring test is a classical method used to detect the presence ... Read More Details

8 Inorganic Chemistry MCQs

Which one of the following compounds has a garlic-like smell?

  • Phosphorus trioxide (P₂O₃)
  • Phosphorus pentoxide (P₂O₅)
  • Phosphorous acid (H₃PO₃)
  • All have the same smell
0 Comments
Correct Answer: A. Phosphorus trioxide (P₂O₃)

Explanation:

Among phosphorus compounds, phosphorus trioxide (P₂O₃) is known for its distinct garlic-like smell. ... Read More Details

9 Inorganic Chemistry MCQs

Which element in Group VIA (Group 16) of the Periodic Table is a non-metal?

  • Sulfur (S)
  • Selenium (Se)
  • Tellurium (Te)
  • Polonium (Po)
0 Comments
Correct Answer: A. Sulfur (S)

Explanation:

Group VIA, now referred to as Group 16 in the modern periodic table, ... Read More Details

10 Inorganic Chemistry MCQs

Which of the following elements shows passivity when treated with concentrated nitric acid (HNO₃)?

  • Iron (Fe)
  • Aluminum (Al)
  • Chromium (Cr)
  • All of the above
0 Comments
Correct Answer: D. All of the above

Explanation:

Passivity is a condition in which a normally active metal becomes resistant to ... Read More Details

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