Download App

Haloalkanes and Haloarenes — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryHaloalkanes and Haloarenes1 Mark
MCQ
Which of the following statement is not correct?
  • A
    Chlorobenzene is more reactive than benzene towards electrophilic substitution.
  • B
    C−Cl bond in chlorobenzene is less polar than CHCl3​.
  • C
    Chlorobenzene is less reactive than CHCl3​.
  • D
    In chlorobenzene further substitution takes place at ortho and para positions.
✓

Answer

  1. Chlorobenzene is more reactive than benzene towards electrophilic substitution.

Explanation:

Chlorine shows two effects −I & +M.

Due to the −I effect of Cl group, it reduces the electron density of benzene so chlorobenzene is less reactive than benzene for electrophilic substitution reaction.

But due to the +M effect, it is ortho, para directing, and in chlorobenzene further substitution takes place at ortho and para positions.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q [1M]" from Haloalkanes and Haloarenes→Haloalkanes and Haloarenes — all question types→Chemistry STD 12 Science question papers→Bihar Board STD 12 Science question papers→Bihar Board question paper generator→

Similar questions

Select the incorrect statement about the product mixture in the following reaction.

→
Which of the following is the most alkaline compound.
→
Product formed by heating sodium propanoate $\left( CH _3 CH _2 COONa \right)$ with sodalime $( NaOH + CaO )$ is :
→
The pressure that a single component in a gaseous mixture would exert if it existed alone in the same volume as the mixture and at the same temperature as the mixture is referred to as.
→
Which of the following has the highest molar conductivity?
→
The maximum carbon-halogen $( C - X )$ bond length compound is :
→
Metabolic processes in living organisms are catalyzed by _______.
→
Which of the following compound used in the manufacture of Nylon-66 :
→
The half-life of $C _{14}$ is 5760 years. After how many years will a 100 mg sample of ${ }^6 C _{14}$ be reduced to 25 mg ?
→
Silver ornaments turn black by the presence of which gas in the atmosphere?
→