JEE Main 2021 (Online) 27th July Evening Shift | Aldehydes, Ketones and Carboxylic Acids Question 70 | Chemistry

JEE Main 2021 (Online) 27th July Evening Shift

MCQ (Single Correct Answer)

-1

$$R - CN\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{(ii){H_2}O}^{(i)DIBAL - H}} R - Y$$

Consider the above reaction and identify "Y"

$$-$$CH₂NH₂

$$-$$CONH₂

$$-$$CHO

$$-$$COOH

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 71 English Option 1

JEE Main 2021 (Online) 27th July Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 71 English Option 2

JEE Main 2021 (Online) 27th July Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 71 English Option 3

JEE Main 2021 (Online) 27th July Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 71 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 72 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

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 73 English

[where $$Et \Rightarrow - {C_2}{H_5}{}^tBu \Rightarrow {(C{H_3})_3}C - $$]

Consider the above reaction sequence, Product "A" and Product "B" formed respectively are :

JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 73 English Option 1

JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 73 English Option 2

JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 73 English Option 3

JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 73 English Option 4

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