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1 Inorganic Chemistry MCQs

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

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

Explanation:

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

2 Physical Chemistry MCQs

A 10-volume solution of H₂O₂ means ?

  • 10 grams of H₂O₂ solution liberate 10 mL of O₂ at STP
  • 10 gram equivalents of H₂O₂ liberate 10 mL of O₂ at STP
  • 10 litres of H₂O₂ liberate 19 mL of O₂ at STP
  • 1 mL of solution of H₂O₂ liberates 10 mL of O₂ at STP
0 Comments
Correct Answer: D. 1 mL of solution of H₂O₂ liberates 10 mL of O₂ at STP

Explanation:

The volume strength of a hydrogen peroxide (H₂O₂) solution is a measure of ... Read More Details

3 Physical Chemistry MCQs

The volume strength of a 1.5 N H₂O₂ solution is __________?

  • 4.8
  • 5.2
  • 8.8
  • 8.4
0 Comments
Correct Answer: D. 8.4

Explanation:

Volume strength is a measure of the oxidizing power of hydrogen peroxide (H₂O₂) ... Read More Details

4 Physical Chemistry MCQs

The structure of hydrogen peroxide (H₂O₂) is __________?

  • Planar
  • Non-polar
  • Spherical
  • Linear
0 Comments
Correct Answer: B. Non-polar

Explanation:

Hydrogen peroxide (H₂O₂) is a simple molecule composed of two hydrogen atoms and ... Read More Details

5 Inorganic Chemistry MCQs

Which of the following elements has the maximum electron affinity?

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

Explanation:

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

6 Inorganic Chemistry MCQs

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

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

Explanation:

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

7 Inorganic Chemistry MCQs

Which of the following conducts electricity?

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

Explanation:

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

8 Inorganic Chemistry MCQs

Cassiterite is an ore of which metal?

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

Explanation:

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

9 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

10 Inorganic Chemistry MCQs

In the borax bead test, which compound is formed?

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

Explanation:

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