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Which of the Following Hydrocarbons Can Decolourise Bromine Water and Which Cannot? Why? C6h12, C6h14, C6h10 - Science

Which of the following hydrocarbons can decolourise bromine water and which cannot? Why?
C6H12, C6H14, C6H10

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Solution

C6H12 (Hexene) and C6H10 (Hexyne or Cyclohexene ) are the hydrocarbons which can decolourize bromine water, as they are unsaturated. Bromine undergo addition reactions with unsaturated compounds like alkenes and alkynes containing a double or a triple bond. When bromine water is added to an unsaturated compound, the former gets added to the latter, thereby turning colourless from its reddish brown colour.
C6H14 (Hexane) is a hydrocarbon which cannot decolourize bromine water because it is a saturated compound (alkane). Saturated co

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Lakhmir Singh Class 10 Chemistry (Science)
Chapter 4 Carbon And Its Compounds
Q 74 | Page 266
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