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(i) The acidic character of hydrides of group 15 increases from NH3 to BiH3. Why ?

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asked Dec 19, 2017 in Chemistry by sforrest072 (157,439 points) ● 60 ● 409 ● 934

(i) The acidic character of hydrides of group 15 increases from NH3 to BiH3. Why ?
(ii) Phosphorus show marked tendency for catenation. Why ?

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answered Dec 19, 2017 by mdsamim (213,225 points) ● 5 ● 10 ● 15
selected Dec 19, 2017 by sforrest072
 
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[Hint : (i) Because from NH3 to BiH3 thermal stability decreases hence acidic character increases from NH3 to BiH3.
(ii) Because phosphorus do not form  multiple bond due to its bigger
size.]

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