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JEE Main levelSingle correct optionDifficulty 2 of 3bn183

Which formula corresponds to chlorine(IV) oxide?

A $Cl X_{2} O X_{3}$
B $Cl X_{2} O X_{7}$
C $Cl X_{2} O$
D $ClO X_{2}$

Answer: D

With O =

- 2

, Cl(IV) needs two O:

ClO X_{2}

.

Cl X_{2} O

is Cl(I),

Cl X_{2} O X_{3}

is Cl(III) and

Cl X_{2} O X_{7}

is Cl(VII).

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