1
JEE Main 2022 (Online) 30th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Which one of the following chemicals has not been used for the dry cleaning of clothes?

A
Tetrachloroethene
B
Liquid CO2
C
Ethanol
D
H2O2
2
JEE Main 2022 (Online) 30th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

TLC analysis of a mixture having 3 components (A, B, C) using silica gel as the stationary phase gave following Rf values; for A = 0.72, B = 0.48, C = 0.20.

Regarding the above observations, which one of the following statements is not correct for column chromatography of the mixture?

A
A is the most non-polar component
B
C is the most soluble component in mobile phase
C
A will be eluted first
D
C is the most strongly absorbed component
3
JEE Main 2022 (Online) 30th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Consider the given chemical reaction

JEE Main 2022 (Online) 30th June Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 75 English

Identify the product P.

A
JEE Main 2022 (Online) 30th June Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 75 English Option 1
B
JEE Main 2022 (Online) 30th June Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 75 English Option 2
C
JEE Main 2022 (Online) 30th June Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 75 English Option 3
D
JEE Main 2022 (Online) 30th June Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 75 English Option 4
4
JEE Main 2022 (Online) 30th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Choose the reaction which is not possible:

A
JEE Main 2022 (Online) 30th June Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 78 English Option 1
B
JEE Main 2022 (Online) 30th June Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 78 English Option 2
C
JEE Main 2022 (Online) 30th June Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 78 English Option 3
D
JEE Main 2022 (Online) 30th June Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 78 English Option 4
JEE Main Papers
2023
2021
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12