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
IandII
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B
IIIandIV
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C
IIonly
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D
I andIII
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Solution
The correct option is AIandII 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.