JEE Main 2021 (Online) 26th August Morning Shift | Aldehydes, Ketones and Carboxylic Acids Question 127 | Chemistry

The major products formed in the following reaction sequence A and B are :

JEE Main 2021 (Online) 26th August Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 127 English

JEE Main 2021 (Online) 26th August Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 127 English

JEE Main 2021 (Online) 26th August Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 127 English Option 1

JEE Main 2021 (Online) 26th August Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 127 English Option 2

JEE Main 2021 (Online) 26th August Morning Shift

MCQ (Single Correct Answer)

-1

The correct sequential addition of reagents in the preparation of 3-nitrobenzoic acid from benzene is :

Br₂/AlBr₃, HNO₃/H₂SO₄, Mg/ether, CO₂, H₃O⁺

Br₂/AlBr³, NaCN, H₃O⁺, HNO₃/H₂SO₄

Br₂/AlBr₃, HNO₃/H₂SO₄, NaCN, H₃O⁺

HNO₃/H₂SO₄, Br₂/AlBr₃, Mg/ether, CO₂, H₃O⁺

JEE Main 2021 (Online) 27th July Morning Shift

MCQ (Single Correct Answer)

-1

Which one of the following compounds will give orange precipitate when treated with 2, 4-dinitrophenyl hydrazine?

JEE Main 2021 (Online) 27th July Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 129 English Option 1

JEE Main 2021 (Online) 27th July Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 129 English Option 2

JEE Main 2021 (Online) 27th July Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 129 English Option 3

JEE Main 2021 (Online) 27th July Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 129 English Option 4

JEE Main 2021 (Online) 25th July Evening Shift

MCQ (Single Correct Answer)

-1

JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 130 English

Maleic anhydride can prepared by :

Heating trans-but-2-enedioic acid

Heating cis-but-2-enedioic acid

Treating cis-but-2-enedioic acid with alcohol and acid

Treating trans-but-2-enedioic acid with alcohol and acid

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