MEDIUM
11th CBSE
IMPORTANT
Earn 100

What effect does branching of an alkane chain has on its boiling point?

Important Questions on Hydrocarbons

HARD
11th CBSE
IMPORTANT
Chemistry Part II Textbook for Class XI>Chapter 6 - Hydrocarbons>EXERCISES>Q 13.16
Addition of HBr to propene yields 2-bromopropane, while in the presence of benzoyl peroxide, the same reaction yields 1-bromopropane. Explain and give mechanism.
HARD
11th CBSE
IMPORTANT
Chemistry Part II Textbook for Class XI>Chapter 6 - Hydrocarbons>EXERCISES>Q 13.17
Write down the products of ozonolysis of 1,2-dimethylbenzene (o-xylene). How does the result support Kekule structure for benzene?
HARD
11th CBSE
IMPORTANT
Chemistry Part II Textbook for Class XI>Chapter 6 - Hydrocarbons>EXERCISES>Q 13.18
Arrange benzene, n-hexane and ethyne in decreasing order of acidic behaviour. Also give reason for this behaviour.
HARD
11th CBSE
IMPORTANT
Chemistry Part II Textbook for Class XI>Chapter 6 - Hydrocarbons>EXERCISES>Q 13.19
Why does benzene undergo electrophilic substitution reactions easily and nucleophilic substitutions with difficulty?
HARD
11th CBSE
IMPORTANT
Chemistry Part II Textbook for Class XI>Chapter 6 - Hydrocarbons>EXERCISES>Q 13.2
How would you convert the following compounds into benzene?
Ethyne, Ethene, Hexane
EASY
11th CBSE
IMPORTANT
Chemistry Part II Textbook for Class XI>Chapter 6 - Hydrocarbons>EXERCISES>Q 13.21
Write structures of all the alkenes which on hydrogenation give 2-methylbutane.
HARD
11th CBSE
IMPORTANT
Chemistry Part II Textbook for Class XI>Chapter 6 - Hydrocarbons>EXERCISES>Q 13.22
Arrange the following set of compounds in order of their decreasing relative reactivity with an electrophile, E+
a) Chlorobenzene, 2,4-dinitrochlorobenzene, p-nitrochlorobenzene.
b) Toluene, p-H3C–C6H4–NO2, p-O2N–C6H4–NO2.
HARD
11th CBSE
IMPORTANT
Chemistry Part II Textbook for Class XI>Chapter 6 - Hydrocarbons>EXERCISES>Q 13.23
Out of benzene, m–dinitrobenzene and toluene which will undergo nitration most easily and why?