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GS
GS Set-1
Chemistry
Inorganic Chemistry
129

Inorganic Chemistry MCQ with Answers

129) In pyrophosphoric acid, H₄P₂O₇, number of σ and dπ−pπ bonds are respectively:

8 and 2

6 and 2

12 and 0

12 and 2

Answer is:

12 and 2

Inorganic Chemistry MCQ with Answers

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Related Inorganic Chemistry MCQ with Answers

130) Two type FXF angles are present in which of the following molecules? (X = S, Xe, C)

SF₄

XeF₄

SF₆

CF₄

Answer is:

SF₄

131) In which case, is the order of acidic strength not correct?

HI > HBr > HCl

HIO₄ > HBrO₄ > HClO₄

HClO₄ > HClO₃ > HClO₂

HF > H₂O > NH₃

Answer is:

HIO₄ > HBrO₄ > HClO₄

Explanation:

The acidic strength of oxyacids decreases down the group.

132) Perxenate ion is:

XeO₆⁴⁻

HXeO₄

XeO₄²⁻

XeO₄

Answer is:

XeO₆⁴⁻

133) Boron does not form B³⁺ ions whereas Al forms Al³⁺ ions. This is because:

(a) The size of B atoms is smaller than that of Al

(b) The sum, IE₁ + IE₂ + IE₃ of B is much higher than that of Al

(c) The sum, IE₁ + IE₂ + IE₃ of Al is much higher than that of B

Both (a) and (b)

Answer is:

Both (a) and (b)

Inorganic Chemistry MCQ with Answers

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