Hydrogen resembles halogens in many respects

Question:

Hydrogen resembles halogens in many respects for which several factors are

responsible. Of the following factors which one is most important in this respect?

(i) Its tendency to lose an electron to form a cation.

(ii) Its tendency to gain a single electron in its valence shell to attain stable

electronic configuration.

(iii) Its low negative electron gain enthalpy value.

(iv) Its small size.

Solution:

Option (ii) Its tendency to gain a single electron in its valence shell to attain stable

electronic configuration is the answer.

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