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Question

In which of the properties listed below, hydrogen does not show similarity with halogens?
I. Nature of the oxide
II. Electropositive character
III. Combination with alkali metals
IV. Atomicity

A
I and II
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B
III and IV
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C
II only
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D
I and III
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Solution

The correct option is A I and II
Hydrogen forms a neutral oxide, i.e., H2O (water) while the oxides of halogens are acidic. Hydrogen is electropositive in nature while halogens are mostly electronegative in nature. Like halogens, hydrogen combine with alkali metals. Atomicity of both halogen and hydrogen is 2.

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