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Saturated and Unsaturated Hydrocarbons

Which of the ...

Question

Which of the folloiwng has a triple bond as well as single bonds?
(a) ethene

(b) methane

(c) ethyne

(d) nitrogen

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Solution

(c) ethyne
An ethyne molecule ( H-C≡C-H ) contains a triple bond between two carbon atoms and two single bonds between carbon and hydrogen atoms.

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Similar questions

Q. Which of the following has a triple bond as well as single bonds?
(a) ethene
(b) methane
(c) ethyne
(d) nitrogen

One of the following contains a double bond as well as single bonds. This is:
(a) $C O_{2}$

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(c) Ethene

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({NH}_{3})

has:

(a) Only single bonds
(b) Only double bonds
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(d) One double bond and remaining are single bonds

Why vsepr theory deals with only single covalent bonds and not as well with double and triple bonds??

Q. Arrange them in increasing order of their bond length: Ethyne, Ethane, Ethene. Among them which one has lowest bond length?

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