(D) Hydrides of group $15$ elements (like $NH_3$,$PH_3$) possess a lone pair of electrons on the central atom,which gives them the ability to act as e

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Hydrides of group $15$ elements behave as Lewis acids.

(D) Hydrides of group $15$ elements (like $NH_3$,$PH_3$) possess a lone pair of electrons on the central atom,which gives them the ability to act as electron donors. Therefore,they behave as Lewis bases,not Lewis acids.Option $(D)$ is incorrect.

Class 11 Chemistry Hydrogen Hydrogen

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Identify the incorrect statement.

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A
Saline hydrides on electrolysis liberate dihydrogen gas at anode.
B
$CH_4$ is an electron-precise hydride.
C
Chromium hydride conducts heat and electricity.
D
Hydrides of group $15$ elements behave as Lewis acids.

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Identify the incorrect statement.

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Liquid ammonia is used in refrigeration because of its

Hydrogen iodide cannot be prepared by the action of concentrated $H_2SO_4$ on potassium iodide because:

What do you understand by the terms: $(i)$ hydrogen economy,$(ii)$ hydrogenation,$(iii)$ syngas,$(iv)$ water-gas shift reaction,and $(v)$ fuel-cell?

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