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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

The basicity of orthophosphoric acid (H₃PO₄) is __________?

  • 2
  • 3
  • 4
  • 5
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Correct Answer: B. 3

Explanation:

Orthophosphoric acid (H₃PO₄), also called phosphoric acid, is a triprotic acid, meaning it ... Read More Details

2 Inorganic Chemistry MCQs

Cerium (Ce, atomic number 58) is a member of which block of elements?

  • S-block
  • P-block
  • D-block
  • F-block
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Correct Answer: D. F-block

Explanation:

Cerium (Ce), with atomic number 58, is a member of the f-block elements, ... Read More Details

3 Inorganic Chemistry MCQs

The electronic configuration of a calcium (Ca) atom can be written as __________?

  • [Ne] 4p²
  • [Ar] 4s²
  • [Ne] 4s²
  • [Kr] 4p²
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Correct Answer: B. [Ar] 4s²

Explanation:

The electronic configuration of an atom shows the distribution of electrons in its ... Read More Details

4 Inorganic Chemistry MCQs

Which of the following elements has the maximum electron affinity?

  • Chlorine (Cl)
  • Bromine (Br)
  • Iodine (I)
  • Fluorine (F)
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Correct Answer: A. Chlorine (Cl)

Explanation:

Electron affinity (EA) is the energy change that occurs when an atom gains ... Read More Details

5 Inorganic Chemistry MCQs

The type of hybridization of boron in diborane (B₂H₆) is __________?

  • sp hybridization
  • sp² hybridization
  • sp³ hybridization
  • sp³d² hybridization
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Correct Answer: A. sp hybridization

Explanation:

Diborane (B₂H₆) is a well-known example of an electron-deficient compound in inorganic chemistry. ... Read More Details

6 Inorganic Chemistry MCQs

Which of the following conducts electricity?

  • Potassium
  • Graphite
  • Diamond
  • Sodium
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Correct Answer: B. Graphite

Explanation:

Electrical conductivity depends on the presence of free-moving charged particles such as electrons ... Read More Details

7 Inorganic Chemistry MCQs

Cassiterite is an ore of which metal?

  • Manganese (Mn)
  • Nickel (Ni)
  • Antimony (Sb)
  • Tin (Sn)
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Correct Answer: D. Tin (Sn)

Explanation:

Cassiterite is the principal ore of tin (Sn) and is chemically known as ... Read More Details

8 Inorganic Chemistry MCQs

What is the percentage of lead in a lead pencil?

  • 0%
  • 20%
  • 80%
  • 70%
0 Comments
Correct Answer: A. 0%

Explanation:

Despite the common name, a lead pencil contains no actual lead. The black ... Read More Details

9 Inorganic Chemistry MCQs

In the borax bead test, which compound is formed?

  • Ortho borate
  • Meta borate
  • Double oxide
  • Tetra borate
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Correct Answer: B. Meta borate

Explanation:

The borax bead test is a classical method used in qualitative inorganic analysis ... Read More Details

10 Inorganic Chemistry MCQs

What is the chemical formula of Galena?

  • PbS
  • HgS
  • As₂S₃
  • FeS₂
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Correct Answer: A. PbS

Explanation:

Galena is the natural mineral form of lead sulfide and is the most ... Read More Details

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