Q.

An element A is tetravalent and another element B is divalent. The formula of the compound formed from these elements will be :

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a

A2B

b

AB

c

AB2

d

A2B3

answer is C.

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Detailed Solution

An element A is tetravalent hence oxidation number of A can be A+4Element B is divalent hence oxidation number of B can be B2−According to the cris-cross method formula of the compound will be : A2​B4​ or AB2​
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An element A is tetravalent and another element B is divalent. The formula of the compound formed from these elements will be :