Which of the following compound does not decolourise bromine-water solution ?

Which of the following compound does not decolourise bromine-water solution ?

  4. \(\mathrm{CH}_2=\mathrm{CH}_2\)

Solution

benzene not decolurise bromine water solution , and only 3 option has 0 degre of unsaturation ,

Asked in: JEE-TOPICTESTS-CHEMISTRY

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