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In which of the properties listed below ...

In which of the properties listed below hydrogen does not show resemblance with halogens ?
I Electropositive character
II Electronegative character
III Neutral nature of `H_(2)O`
IV. Atomicity

A

I and III

B

I only

C

II and III

D

III and IV

Text Solution

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The correct Answer is:
A
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Metallic Character The ability of an atom to donate electrons and form positive ion (cation) is known as electropositivity or metallic character. Down the group, metallic character increases due to increase in atomic size and across the period, from left to right electropositivity decreases due to decrease in atomic size. Non-Metallic Character The ability of an atom to accept electrons to form a negative ion (anion) is called non-metallic character or electronegativity. The elements having high electro-negativity have a higher tendency to gain electrons and form anion. Down the group, electronegativity decreases due to increase in atomic size and across the period, from left to right electronegativity increases due to decrease in atomic size Which of the following has highest electronegativity?

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