MHT CET 2025 Chemistry question

What type of overlap is involved in the formation of C-H bonds in acetylene molecules?

(A) - s
(B) - s
(C)sp - sCorrect
(D)sp-sp

Answer: (C)

Solution

In acetylene, , each carbon is sp hybridised (two sp orbitals, two unhybridised p orbitals). One sp orbital of each carbon overlaps head-on with the 1s orbital of hydrogen, forming the C-H sigma bond: an sp-s overlap, option

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Question ID VK-102380