Q.

This section contains questions each with two columns I and II. Match the items given in column I with that in the column II.

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a

a→i; b→ii; c→iii; d→iv

b

a→ii; b→i; c→iv; d→iii

c

a→ii; b→iiii; c→iv; d→i

d

a→iv; b→iii; c→ii; d→i

answer is 2.

(Detailed Solution Below)

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Detailed Solution

.hydrogen with metals forms  metal hydrides in which it has negative charge, with non metal hydrides it forms positive charge
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