Q.
0.0833 mole of carbohydrate of empirical formula CH2O contain, I g of hydrogen. The molecular formula of the carbohydrate is
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a
C5H10O5
b
C3H4O3
c
C12H22O11
d
C6H12O6
answer is D.
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Detailed Solution
∵ 0.0833 moles of carbohydrate have hydrogen = I g∴ 1 mole of carbohydrate has hydrogen =10.0833=12 g Given, empirical formula of carbohydrate CH2O has 2 g of hydrogen, n=122=6∴ Molecular formula of carbohydrate is CH2On=CH2O×6=C6H12O6
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