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Aliphatic Compounds

Choose unsatu...

Question

Choose unsaturated compounds from the following.

A

Ethane

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B

Ethene

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C

Ethyne

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D

Acetylene

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Solution

The correct options are
B
Ethene

C
Ethyne

D
Acetylene

In ethane, a single bond is formed between the carbon atoms. Therefore, it is a saturated compound. All the other compounds i.e. ethene, ethyne and benzene have double or triple bonds between carbon atoms and are thus unsaturated compounds.

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Similar questions

Q. Give a chemical test to distinguish between:
(a) saturated and unsaturated compounds
(b) ethane and ethene
(c) ethene (ethylene) and ethyne (acetylene).

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Q. From the following organic compounds given below, choose one compound in each case which relates to the description (i) to (iv): [Ethyne, Ethanol, Acetic acid, Ethene, Methane]
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Q. Calculate the molecular masses of the following compounds :
(a) Methane, CH₄
(b) Ethane, C₂H₆
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(Atomic masses : C = 12 u ; H = 1 u)

Q. Write the equation for the following laboratory preparations:
(i) Ethane from sodium propionate.
(ii) Ethene from iodoethane.
(iii) Ethyne from calcium carbide.

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