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1 Inorganic Chemistry MCQs

Which compound gives a white precipitate with BaCl₂?

  • NaHCO
  • NaNO₃
  • Na₂CO₃
  • Na₂CrO₄
0 Comments
Correct Answer: C. Na₂CO₃

Explanation:

When Na₂CO₃ (sodium carbonate) is added to an aqueous solution of BaCl₂ (barium ... Read More Details

2 Inorganic Chemistry MCQs

Deliquescence is a property of a solid in which it:

  • Absorbs moisture and remains solid
  • Absorbs moisture and turns into liquid
  • Loses water of crystallization
  • Increases the number of water molecules in its crystal
0 Comments
Correct Answer: B. Absorbs moisture and turns into liquid

Explanation:

Deliquescence is a property of certain solids in which the substance absorbs moisture ... Read More Details

3 Inorganic Chemistry MCQs

In a diaphragm cell, why is the level of brine in the anode compartment kept slightly higher?

  • To prevent hydroxide ions (OH⁻) from reaching the anode
  • To prevent chlorine gas from mixing
  • To prevent cathode decay
  • All of the above
0 Comments
Correct Answer: A. To prevent hydroxide ions (OH⁻) from reaching the anode

Explanation:

A diaphragm cell is an electrolytic cell used in the chlor-alkali process to ... Read More Details

4 Inorganic Chemistry MCQs

Why is the first ionization potential of alkaline earth metals greater than that of alkali metals?

  • They are more reactive
  • They have smaller atomic sizes
  • They have greater atomic radii
  • All of the above
0 Comments
Correct Answer: B. They have smaller atomic sizes

Explanation:

The first ionization potential (IP) is the energy required to remove the outermost ... Read More Details

5 Inorganic Chemistry MCQs

Why is NaOH called caustic soda?

  • It corrodes organic tissues
  • It is used in soda water
  • It reacts with chlorine gas
  • It reacts with fats to form soap
0 Comments
Correct Answer: A. It corrodes organic tissues

Explanation:

Sodium hydroxide (NaOH) is commonly called caustic soda because of its highly corrosive ... Read More Details

6 Inorganic Chemistry MCQs

What is the chemical formula of Carnallite?

  • KCl
  • KCl·MgCl₂·6H₂O
  • Na₂B₄O₇·10H₂O
  • CaCO₃·MgCO₃
0 Comments
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

7 Inorganic Chemistry MCQs

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

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

Explanation:

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

8 Inorganic Chemistry MCQs

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

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

Explanation:

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

9 Inorganic Chemistry MCQs

Which of the following compounds is natron?

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

Explanation:

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

10 Inorganic Chemistry MCQs

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

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

Explanation:

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

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