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Ammonia

The electro-n...

Question

The electro-negativities of F, Cl, Br and I, are 4.0, 3.0, 2.8, 2.5 respectively. The hydrogen halide with a high percentage of ionic character is

A

HF

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B

HCI

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C

HBr

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D

HI

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Solution

The correct option is A HF
Ionic character follows the order HF >HCl>HBr> HI. As electronegativity difference increses ionic character increases.

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