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Which hydrogen halide froms HX(2)^(-)...

Which hydrogen halide froms `HX_(2)^(-)` ions ? Why ?

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Due to the formating of strong hydrogen bond, only HF combies with `F^(-)` to produce bifluride ion `HF_(2)^(-)`.
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CHHAYA PUBLICATION-P-BLOCK ELEMENTS-VERY SHORT ANSWER TYPES (VSA )
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  3. Which hydrogen halide froms HX(2)^(-) ions ? Why ?

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  11. What is called aqua regia ?

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  13. Give example of two salts which react with HCI to give white ...

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  14. Why the compounds of fluorine with oxygen are called fluorides o...

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  16. Name the most abundant noble gas in air and the noble gas which ...

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  17. What is the main commerical source of helium ?

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  18. What is the value of C(p)// C(V) of noble gas ?

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  19. Which noble gas is obtained by alpha -decoy of Ra-226?

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