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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 of the following elements is a bridge element?

  • Beryllium (Be)
  • Chlorine (Cl)
  • Potassium (K)
  • Phosphorus (P)
0 Comments
Correct Answer: A. Beryllium (Be)

Explanation:

Bridge elements are elements that display properties of both metals and non-metals. They ... Read More Details

2 Inorganic Chemistry MCQs

What is the common oxidation state of lanthanides?

  • +3
  • +2
  • +1
  • +4
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Correct Answer: A. +3

Explanation:

The lanthanides, also known as rare earth elements, consist of the 14 elements ... Read More Details

3 Inorganic Chemistry MCQs

Which of the following compounds is most soluble in water?

  • BaSO₄
  • SrSO₄
  • CaSO₄
  • MgSO₄
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Correct Answer: D. MgSO₄

Explanation:

Solubility of ionic compounds in water depends on the balance between lattice energy ... Read More Details

4 Inorganic Chemistry MCQs

Which of the following orbitals has the maximum penetration effect?

  • s
  • p
  • d
  • f
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Correct Answer: A. s

Explanation:

In atomic chemistry, penetration effect refers to the extent to which an electron ... Read More Details

5 Inorganic Chemistry MCQs

What mass of P₄O₁₀ will be formed when 1.33 g of P₄ reacts with 5.07 g of oxygen (O₂)?

  • 2.05 g
  • 3.05 g
  • 4.05 g
  • 5.05 g
0 Comments
Correct Answer: B. 3.05 g

Explanation:

The reaction between phosphorus and oxygen to form phosphorus pentoxide is a classic ... Read More Details

6 Inorganic Chemistry MCQs

What is the most commonly used bleaching agent?

  • Alcohol
  • Carbon dioxide
  • Chlorine
  • Sodium chloride
0 Comments
Correct Answer: C. Chlorine

Explanation:

Bleaching agents are substances used to remove color from materials such as fabrics, ... Read More Details

7 Inorganic Chemistry MCQs

In a molecule of carbon monoxide (CO), what are the formal charges on the two atoms?

  • Carbon = 0, Oxygen = 0
  • Carbon = +1, Oxygen = –1
  • Carbon = –1, Oxygen = +1
  • Carbon = 0, Oxygen = –1
0 Comments
Correct Answer: C. Carbon = –1, Oxygen = +1

Explanation:

To determine the formal charges in a molecule, we use the formula:


Read More Details

8 Inorganic Chemistry MCQs

In which compound is the O–O (oxygen–oxygen) bond present?

  • H₂S₂O₃ (Thiosulfuric acid)
  • H₂S₂O₈ (Peroxydisulfuric acid)
  • H₂S₄O₆ (Tetrathionic acid)
  • H₂S₂O₆ (Dithionic acid)
0 Comments
Correct Answer: B. H₂S₂O₈ (Peroxydisulfuric acid)

Explanation:

The oxygen–oxygen bond, also called the peroxide linkage (–O–O–), is a special type ... Read More Details

9 Inorganic Chemistry MCQs

How many lone pairs of electrons are present in XeOF₄ (Xenon oxytetrafluoride)?

  • 0
  • 1
  • 2
  • 3
0 Comments
Correct Answer: B. 1

Explanation:

Xenon oxytetrafluoride (XeOF₄) is a well-known compound of the noble gas xenon. To ... Read More Details

10 Inorganic Chemistry MCQs

Who discovered Argon gas?

  • Lord Rayleigh
  • Sir William Ramsay
  • Lockyer
  • John Dalton
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Correct Answer: B. Sir William Ramsay

Explanation:

Argon is a noble gas and one of the important elements in the ... Read More Details

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