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Haloalkanes and Haloarenes — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryHaloalkanes and Haloarenes1 Mark
MCQ
The false statement regarding alkane is:
  • A
    This does not perform polymerization reaction.
  • B
    This does not gives elimination reaction.
  • C
    It does not disappear the colour of dilute KMnO4​ solution.
  • D
    It does not decolourise bromine water.
✓

Answer

  1. This does not gives elimination reaction.

Explanation:

Alkanes show elimination reactions. Higher alkanes eliminate hydrogen and give lower alkanes and alkenes on heating in the absence of air at high temperatures.

R−CH2​−CH3​ → ​R−CH=CH2​

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