Hydrogen resembles halogens in many respects | vedclass

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(B) Hydrogen resembles halogens because both have a similar tendency to gain a single electron to attain a stable noble gas configuration.The electron

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Its tendency to gain a single electron in its valence shell to attain stable electronic configuration

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(B) Hydrogen resembles halogens because both have a similar tendency to gain a single electron to attain a stable noble gas configuration.The electronic configuration of hydrogen is $1s^{1}$. It requires one more electron to achieve the stable electronic configuration of helium,which is a noble gas.Similarly,the valence shell electronic configuration of halogens is $ns^{2}np^{5}$. They also require one more electron to attain the stable electronic configuration of the nearest noble gas.

List-$I$ (Fuels)	List-$II$ (Composition)
$A$. Water gas	$i$. $A$ mixture of $CO$ and $N_2$
$B$. Producer gas	$ii$. Methane
$C$. Coal gas	$iii$. $A$ mixture of $CO$ and $H_2$
$D$. Natural gas	$iv$. $A$ mixture of $CO$,$H_2$,$CH_4$ and $CO_2$

Hydrogen resembles halogens in many respects for which several factors are responsible. Of the following factors,which one is most important in this respect?

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