SATHEE: The pBlock Elements - Result Question 1

The pBlock Elements - Result Question 1

####1. Match the following and identify the correct option. (A) $C O (g) + H_{2} (g)$ (i) $M g (H C O_{3})_{2} +$ $C a (H C O_{3})_{2}$ (B) Temporary hardness of water (ii) An electron deficient hydride (C) $B_{2} H_{6}$ (iii) Synthesis gas (D) $H_{2} O_{2}$ (iv) Non-planar structure

[2020] (A) (B) (C) (D)

(a) (iii)

(ii) (i)

(iv)

(b) (iii)

(iv)

(ii)

(i)

(c) (i)

(iii)

(ii)

(iv)

(d) (iii)

(i)

(ii)

(iv)

Show Answer

Solution:

(d)

A. Mixture of $C O$ and $H_{2}$ gases is known as water gas or synthesis gas.

B. Temporary hardness of water is due to bicarbonates of calcium and magnesium.

C. Diborane $(B_{2} H_{6})$ is an electron deficient hydride. D. $H_{2} O_{2}$ is non-planar molecule having open book like structure.

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The pBlock Elements - Result Question 1

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