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A solution containing 1.8 g of a compou...

A solution containing 1.8 g of a compound (empirical formula `CH_(2)O`) in 40 g of water is observed to freeze at `-0.465^(@)`C. The molecules formulea of the compound is (`K_(f)` of water =1.86kg K`mol^(-1)`):

A

`C_(2)H_(4)O_(2)`

B

`C_(3)H_(6)O_(3)`

C

`C_(5)H_(10)O_(5)`

D

`C_(6)H_(12)O_(6)`

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The correct Answer is:
D
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