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Friday, 9 October

JEE Main Chemistry · Alcohols, Phenols and Ethers

Grignard Synthesis of Alcohols

Grignard Synthesis of Alcohols (Alcohols, Phenols and Ethers) was asked 2 times in 2 JEE Main shifts, 2020–2023, out of the 42 shifts Lumi analysed. 2 of the 2 had a numerical answer.

Times asked
2
in 2 shifts
Years
2020–2023
Usual format
Numerical value
Application
Pattern
Occasional
repeats across shifts

How it is asked

  • Reagent ratio in grignard reaction
  • Mass percent from deduced reactant

Difficulty

Easy 0Medium 2Hard 0

Where it sits

Chapter: Alcohols, Phenols and Ethers. Topic: Alcohols and Phenols, 24 questions over 15 ideas.

Other repeat ideas in this topic

Every time it came

All 2 questions

Newest first, each with its options and official answer.

  1. 11 Apr 2023, Shift 1 · Q90[figure: 4-hydroxybutanal, OHC−CH2CH2CH2−OH\mathrm{OHC{-}CH_2CH_2CH_2{-}OH} (y mole)] →H3O+x mol of MeMgBr\xrightarrow[\mathrm{H_3O^+}]{x\ \text{mol of MeMgBr}} [figure:…MediumNumerical valueHas a figure
  2. 9 Jan 2020, Shift 2 · Q50Consider the following reactions A →(ii) H3O+(i) CH3MgBr\xrightarrow[\text{(ii) } H_3O^+]{\text{(i) } CH_3MgBr} B →573 KCu\xrightarrow[573\text{ K}]{Cu}…MediumNumerical value