Question

The number of structural isomers having molecular
formula C5H10 cannot decolourise bromine water is
(1) 3
(2) 4
(3) 8
(4) 5​

Answer 1

Answer:

4} 5

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Answer 2

Answer:

The number of structural isomers having molecular formula C5H10 cannot decolourise bromine water is 5.

Explanation:

• There are 10 different structural isomers exist with the formula C5H10? (Except geometric and optical isomers) .
• Out of 10 five are having alkane group.

• Only alkanes do not decolourise bromine water.
• Alkanes do not react with spontaneously bromine water due to their saturated nature.
• Bromine is non-polar and therefore dissolves more readily in a non-polar alkane than in polar water.
• When alkanes come into contact with bromine water, they cause it to decolorize, while they adopt the colour.