Hydrocarbons - Result Question 38

####40. In the presence of platinum catalyst, hydrocarbon $A$ adds hydrogen to form $n$-hexane. When hydrogen bromide is added to $A$ instead of hydrogen, only a single bromo compound is formed. Which of the following is $A$ ?

[1996]

(a) $CH_3-CH_2-CH=CH-CH_2-CH_3$

(b) $CH_3-CH_2-CH_2-CH=CH-CH_3$

(c) $CH_3-CH=CH-CH_2-CH_2-CH_3$

(d) $CH_2=CH-CH_2-CH_2-CH_2-CH_3$

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Solution:

  1. (a)



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