Q.

Some statements are given regarding nature
of oxides. Pick out correct ones
i) In second period, nitrogen form strongest
acidic oxide
ii) In third period, sodium from strongest basic
oxide

iii) Oxides of metalloids are generally amphoteric in nature

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a

I and II

b

I and III

c

I, II and III

d

II and III

answer is D.

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Detailed Solution

Nitrogen form strongest acidic oxide in second period, sodium from strongest basic oxide in third period, oxides formed by metalloids are generally amphoteric.

Hence,  correct option is (D).

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Some statements are given regarding natureof oxides. Pick out correct onesi) In second period, nitrogen form strongestacidic oxideii) In third period, sodium from strongest basicoxideiii) Oxides of metalloids are generally amphoteric in nature