Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app

JEE Main 202127 JulyMorning Shift

Exam: JEE Main
Year: 2021
Date: 27 July
Shift: Morning Shift
Subject: Chemistry
Chapter: Hydrocarbons

JEE Main 2021 · 27 July · Morning Shift · Chemistry · Hydrocarbons

Presence of which reagent will affect the reversibility of the...

Presence of which reagent will affect the reversibility of the following reaction, and change it to a irreversible reaction :

$C{H}_{4} + {I}_{2}\mathop{⇌}_{Reversible}^{hv}{CH}_{3} - I + HI$

Options

A $HOCl$
Bdilute ${HNO}_{2}$
CLiquid ${NH}_{3}$
DConcentrated ${HIO}_{3}$

Correct answer

D. Concentrated ${HIO}_{3}$

Step-by-step solution

Iodination of alkane is reversible reaction.
It can be irreversible in the presence of strong oxidising agent like conc.

{HNO}_{3}

or conc.

{HIO}_{3}

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