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Nomenclature of Alcohols

Question

Molecular formula of ethanol is ?

A

C H_{3} O H

B

C_{2} H_{4} {(O H)}_{2}

C

C_{2} H_{5} O H

D

H C H O

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Solution

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The correct option is C. Ethanol is alcohol and is a primary $1$ degree monohydric alcohol with moleculer formula $C_{2} H_{5} O H .$

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Similar Questions

Q1

A compound has an empirical formula $C_{2} H_{4} O$ . An independent analysis gave a value of 66.08 for its vapour density. What is the correct molecular formula?

[1 mark]

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Q2

Arrange the following in the increasing order of their boiling point:

C_{2} H_{5} O H, {(C H}_{3})_{2} N H, C_{2} H_{5} {N H}_{2}

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Q3

C_{2} H_{5} O H

ionises as:

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Q4

The high boiling point of ethanol $({78.2}^{o} C)$ compared to dimethyl ether $(- {23.6}^{o} C)$ , though both having the same molecular formula $C_{2} H_{6} O$ , is due to:

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Q5

C_{2} H_{5} O H

can be differentiated from

{C H}_{3} O H

by:

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