Which of the following is correct with respect to the mass ratio of the combining elements in the compound - $C_{2} H_{5} O H$ ?

Ratio of C:H:O is 8:3:12

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Ratio of C:H:O is 2:6:1

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Ratio of C:H:O is 6:2:1

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Ratio of C:H:O is 12:3:8

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Solution

The correct option is D Ratio of C:H:O is 12:3:8
Atomic mass of carbon, hydrogen and oxygen is 12 g, 1 g and 16 g respectively.

So, the ratio by mass of the combining element is C:H:O
= (2 $\times$ 12):(6 $\times$ 1):(1 $\times$ 16)
= 24:6:16
= 12:3:8

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Which of the following is correct with respect to the mass ratio of the combining elements in the compound - C2H5OH?

The correct option is D Ratio of C:H:O is 12:3:8Atomic mass of carbon, hydrogen and oxygen is 12 g, 1 g and 16 g respectively. So, the ratio by mass of the combining element is C:H:O = (2×12):(6×1):(1×16) = 24:6:16 = 12:3:8

Which of the following is correct with respect to the mass ratio of the combining elements in the compound - $C_{2} H_{5} O H$ ?

The correct option is D Ratio of C:H:O is 12:3:8
Atomic mass of carbon, hydrogen and oxygen is 12 g, 1 g and 16 g respectively.

So, the ratio by mass of the combining element is C:H:O
= (2 $\times$ 12):(6 $\times$ 1):(1 $\times$ 16)
= 24:6:16
= 12:3:8