Q.

Which of the following statements is incorrect?

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a

Due to its small size and high electronegativity nitrogen can form pπ−pπ multiple bond with itself and with other elements

b

Elements of group-l5 form hydrides of EH3 type

c

The stability of hydrides increases from NH3 to BiH3

d

Oxides formed by the elements of nitrogen family have general formulae E2O3 and E2O5; where E, N family elements

answer is C.

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Detailed Solution

The stability of hydrides decreases from NH3 to BiH3 with increase in size of central element due to increase in E-H bond length.
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