Question

An element X is divalent and another element Y is tetravalent. The compound formed by these two elements will be??

Answer 1

Answer:

XY2

Explanation:

because X has a valency of 2 and Y has a valency of 4

it will now be X2Y4

=X1Y2

=XY2

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Answer 2

ANSWER:-

Valency of A is 4. Valency of B is 2.

A -------> 4

×

B ---------> 2

(cross multiply)

Compound formed by the combination of A and B is $\it{AB_2}$

EXAMPLE:-

$CO_2(Carbon Dioxide)$

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