Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
JEE Main 202124 FebruaryMorning Shift
Exam
JEE Main
Year
2021
Date
24 February
Shift
Morning Shift
Subject
Chemistry
Chapter
Hydrocarbons

JEE Main 2021 · 24 February · Morning Shift · Chemistry · Hydrocarbons

Identify products A and B .

Identify products AA and B.B .

Identify products A and B .

Options

  1. ALet w = 3 + i 2 and P = \ w ^ n : n = 1, 2, 3, \ .Further H _ 1 = \ z ∈ C : Re z > (1)/(2)\ and H _ 2 = \ z ∈ C : Re z
  2. BLet w = 3 + i 2 and P = \ w ^ n : n = 1, 2, 3, \ .Further H _ 1 = \ z ∈ C : Re z > (1)/(2)\ and H _ 2 = \ z ∈ C : Re z
  3. CLet w = 3 + i 2 and P = \ w ^ n : n = 1, 2, 3, \ .Further H _ 1 = \ z ∈ C : Re z > (1)/(2)\ and H _ 2 = \ z ∈ C : Re z
  4. DLet w = 3 + i 2 and P = \ w ^ n : n = 1, 2, 3, \ .Further H _ 1 = \ z ∈ C : Re z > (1)/(2)\ and H _ 2 = \ z ∈ C : Re z

Correct answer

C. Let w = 3 + i 2 and P = \ w ^ n : n = 1, 2, 3, \ .Further H _ 1 = \ z ∈ C : Re z > (1)/(2)\ and H _ 2 = \ z ∈ C : Re z

Step-by-step solution

Identify products A and B .

Syn hydroxylation takes place with cold KMnO4. CrO3 convert secondary alcohol into ketone and tertiary alcohol remains unaffected.

Practice Hydrocarbons on Quantrex Academy →

More from Hydrocarbons

In the following reaction sequence, Q , R , S and T are the major products. The correct… JEE Advanced 2026Treatment of buta-1,3-diyne with NaNH_2 ( 2 equivalents), followed by reaction with… JEE Advanced 2026The List-II contains products obtained from the reaction of compounds in List-I with O_3… JEE Advanced 2026Natural rubber on complete ozonolysis ( O_3 /Zn- H_2O ) gives compound X as the major… JEE Advanced 2026An optically active alkyl bromide C _4 H _9 Br, reacts with ethanolic KOH to form major… JEE Main 2026An alkane (Y) requires 8 moles of oxygen for complete combustion and on chlorination with… JEE Main 2026R_f value for 2 -methylpropene in a solvent system (Ethyl acetate + ether) is 0.42 . 2… JEE Main 2026Given below are two statements: Statement I: Methane can be prepared by decarboxylation… JEE Main 2026 Full Hydrocarbons list All JEE Main PYQs