MHT CET202522 Apr 2025Evening ShiftChemistryHaloalkanes and HaloarenesActual
Which among the following statements is true for haloalkyne?
Options
- AHalogen atom is bonded to 'sp' hybridised carbon atom.
- BHalogen atom is bonded to ' s p^ 2 ' hybridised carbon atom of aliphatic chain.
- CHalogen atom is bonded to ' s p^ 3 ' hybridised carbon atom next to a carbon-carbon double bond.
- DHalogen atom is bonded to ' sp ^ 2 ' hybridised carbon atom of aromatic ring.
Correct answer
A. Halogen atom is bonded to 'sp' hybridised carbon atom.
Step-by-step solution
Haloalkynes are characterized by containing both a halogen atom and a carbon–carbon triple bond. Carbon atoms in triple bonds are sp hybridized. Therefore, a halogen attached directly to such a carbon satisfies the definition of a haloalkyne, as in chloroethyne, HC≡CCl. In contrast, option B describes a vinyl halide, option C an allylic halide, and option D an aryl halide. None feature the sp -hybridized carbon indicative of a triple bond.