The structure of acetylene molecule is-lineartetrahedraltrigonal planar

The correct option is A linearIn the formation of ethyne (C_2H_2) nbsp; molecule, each carbon atom undergoes sp hybridisation. The two sp hybridised orbitals ...

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Chemistry

sp Hybridisation

The structure...

Question

The structure of acetylene molecule is.

linear

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tetrahedral

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trigonal planar

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Solution

The correct option is A linear
In the formation of ethyne $(C_{2} H_{2}$ ) molecule, each carbon atom undergoes sp hybridisation. The two $s p$ hybridised orbitals of each carbon atom align themselves at an angle of $180^{o}$ to minimise the repulsions.

The bond angle in sp hybridisation is 180 degrees. Hence, acetylene molecule has linear geometry.

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Similar questions

Name the hydrocarbon which :
(a)is a tetrahedral molecule,
(b)is a planar molecule,
(c)is a linear molecule,
(d)forms a red precipitate with ammoniacal solution of copper (I) chloride,
(e) is known as paraffin,
(f) is known as olefin.
(g) a compound which will give acetylene (ethyne) gas when treated with water.

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