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Question

How many covalent bonds are present in acetylene?

A
3
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B
4
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C
5
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D
6
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Solution

The correct option is B 5
In acetylene, there are five covalent bonds. There is a triple bond between adjacent carbon atoms which places all four atoms in the same straight line with bond angels of 180o. It is a linear symmetrical molecule.
The structure is HCCH.

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