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Carbohydrate

Carbohydrates...

Question

Carbohydrates contain hydrogen and oxygen atoms in the ratio of ____________.

A

1:1

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B

2:1

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C

2:3

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D

1:2

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Solution

The correct option is B 2:1
Compound Formula $H : O$
Glucose $C_{6} H_{12} O_{6}$ $2 : 1$
Ribose $C_{5} H_{10} O_{5}$ $2 : 1$
Erythrose $C_{4} H_{8} O_{4}$ $2 : 1$
Hence the hydrogen oxygen ration in carbohydrates is $2 : 1$ .

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