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Q.

The valency electronic configuration of an element(E) is ns2np3 (n=3). The element will form binary compound with hydrogen and highest oxide respectively, with the formulae

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a

HE3 ; E4O6

b

H3E ; E4O10

c

H2E ; EO3

d

H3E ; E4O6

answer is D.

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Detailed Solution

element belongs to 15 group and 3rd period 

binary hydride = EH3

oxide in its highest oxidation state is E4O10

element is phosphorous

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