Identify the correct statements from the foll | vedclass

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(C) $(I)$ $B_2H_6$ (diborane) is an electron deficient hydride. This is due to the presence of $3C-2e^-$ bridge bonds.$(II)$ $NH_3$ is an electron ric

Vedclass · Accepted Answer

$I$,$II$,$IV$

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(C) $(I)$ $B_2H_6$ (diborane) is an electron deficient hydride. This is due to the presence of $3C-2e^-$ bridge bonds.$(II)$ $NH_3$ is an electron rich hydride due to the presence of a lone pair of electrons on the nitrogen atom.$(III)$ $NaH$ is an ionic (saline) hydride; hydrides of alkali metals are ionic in nature. Thus,statement $III$ is incorrect.$(IV)$ $YbH_{2.55}$ is an interstitial (non-stoichiometric) hydride. Here,hydrogen atoms occupy the interstitial spaces in the metal lattice. Thus,statement $IV$ is correct.Therefore,statements $I$,$II$,and $IV$ are correct. The correct option is $(C)$.

Identify the correct statements from the following:
$I$. $B_2H_6$ is an electron deficient hydride.
$II$. $NH_3$ is an electron rich hydride.
$III$. $NaH$ is a covalent hydride.
$IV$. $YbH_{2.55}$ is an interstitial hydride.

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Identify the correct statements from the following:$I$. $B_2H_6$ is an electron deficient hydride.$II$. $NH_3$ is an electron rich hydride.$III$. $NaH$ is a covalent hydride.$IV$. $YbH_{2.55}$ is an interstitial hydride.