Which compound would decolourize bromine water in the dark?A. CH3COCH2CH3CH3COCH2CH3B. CH3(CH2)4OHCH3(CH2)4OHC. CH3CHCHCH3CH3CHCHCH3D. CH3(CH2)3CH3
Question
Which compound would decolourize bromine water in the dark?A. CH3COCH2CH3CH3COCH2CH3B. CH3(CH2)4OHCH3(CH2)4OHC. CH3CHCHCH3CH3CHCHCH3D. CH3(CH2)3CH3
Solution
The compound that would decolorize bromine water in the dark is the one that contains a carbon-carbon double bond (C=C), also known as an alkene. This is because bromine water is used as a test for alkenes, and it is decolorized when it reacts with an alkene.
Looking at the given options:
A. CH3COCH2CH3 - This is an ether, which does not contain a C=C bond. B. CH3(CH2)4OH - This is an alcohol, which does not contain a C=C bond. C. CH3CHCHCH3 - This is an alkene, which contains a C=C bond. D. CH3(CH2)3CH3 - This is an alkane, which does not contain a C=C bond.
Therefore, the compound that would decolorize bromine water in the dark is C. CH3CHCHCH3.
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