Home
Class 11
CHEMISTRY
2-Bromo pentane when treated with acl. K...

2-Bromo pentane when treated with acl. `KOH` yields a mixture of three alkenes `(A),(B),(C)`. Indentity them and find out which is predominant ?

Text Solution

Verified by Experts

.
By Saytzeff rule, substituted alkense (trans) are more stable. Hence (C) is predoominant.
Promotional Banner

Topper's Solved these Questions

  • ORGANIC REACTION MECHANISM

    CENGAGE CHEMISTRY|Exercise Comprehension|36 Videos
  • ORGANIC REACTION MECHANISM

    CENGAGE CHEMISTRY|Exercise Multiple Correct|30 Videos
  • ORGANIC REACTION MECHANISM

    CENGAGE CHEMISTRY|Exercise Solved Example|33 Videos
  • NCERT BASED EXERCISE

    CENGAGE CHEMISTRY|Exercise Chemical Equilibrium|72 Videos
  • P-BLOCK GROUP 13 - BORON FAMILY

    CENGAGE CHEMISTRY|Exercise Exercise Archives (Subjecive)|9 Videos

Similar Questions

Explore conceptually related problems

2-bromopentane with alcoholic KOH yields a mixture of three alkenes. Which of the following alkene is predominant?

Treatment of 2-bromobutane with hot alcoholic KOH gives a mixture of three isomeric butenes (A),(B) and (C). Ozonolysis of the minor product (A) gives HCHO and another aldehyde in equimolar amounts. Both (B) and (C) gave the same single product (D) on ozonolysis. Find structural formula of (D) :

A Grignard regane t (A0 and a haloalkene (B) react together to give (C) compound (C) on heating with KOH yields a mixture of two geometrical isomers, (D) and (E) of which (D) predominates. (C) gives 1- bromo 3- phenyl propane on reaction with Hbr in the presence of a peroxide. Give teh structures of (A), (B) , and (C) and the configuratins of (D) and (E) .

(E)-2- chloro-2-butene when treated with alcoholic KOH gives which of the following as major product

A Grignard reagent (A) and a haloalkene (B) react together to give (C) . Compound (C) on heating with KOH yeilds a mixture of two geometrical isomers (D) and € of which (D) predominates . Compound (C) on reaction with HBr in presence of a peroxide gives 1-bromo-3- phenylpropane. Give the structures of (A), (B) and (C) and configurations of (D) and (E).

A red liquid (A) when treated with sodium carbonate gives a mixture of two sails (B) and (C) in the solution in which (C) contains oxygen. The mixture then on acidification with sulphuric acid and distillation produces the red liquid (A) again. Which of the following statement is correct?

A red liquid (A) when treated with sodium carbonate gives a mixture of two sails (B) and (C) in the solution In which (C) contains oxygen. The mixture then on acidification with sulphuric acid and distillation produces the red liquid (A) again. Which of the following statement is false for salt (B)?