1
JEE Main 2020 (Online) 4th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Five moles of an ideal gas at 1 bar and 298 K is expanded into vacuum to double the volume. The work done is :
A
Zero
B
-RT $$\ln {{{V_2}} \over {{V_1}}}$$
C
CV (T2 – T1)
D
– RT (V2 – V1)
2
JEE Main 2020 (Online) 4th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product [C] of the following reaction sequence will be : JEE Main 2020 (Online) 4th September Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 201 English
A
JEE Main 2020 (Online) 4th September Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 201 English Option 1
B
JEE Main 2020 (Online) 4th September Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 201 English Option 2
C
JEE Main 2020 (Online) 4th September Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 201 English Option 3
D
JEE Main 2020 (Online) 4th September Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 201 English Option 4
3
JEE Main 2020 (Online) 4th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product [R] in the following sequence of reactions as :
JEE Main 2020 (Online) 4th September Evening Slot Chemistry - Alcohols, Phenols and Ethers Question 128 English
A
JEE Main 2020 (Online) 4th September Evening Slot Chemistry - Alcohols, Phenols and Ethers Question 128 English Option 1
B
JEE Main 2020 (Online) 4th September Evening Slot Chemistry - Alcohols, Phenols and Ethers Question 128 English Option 2
C
JEE Main 2020 (Online) 4th September Evening Slot Chemistry - Alcohols, Phenols and Ethers Question 128 English Option 3
D
JEE Main 2020 (Online) 4th September Evening Slot Chemistry - Alcohols, Phenols and Ethers Question 128 English Option 4
4
JEE Main 2020 (Online) 4th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product [B] in the following reactions is : JEE Main 2020 (Online) 4th September Evening Slot Chemistry - Alcohols, Phenols and Ethers Question 129 English
A
CH3 – CH2 – CH = CH – CH3
B
CH2 = CH2
C
JEE Main 2020 (Online) 4th September Evening Slot Chemistry - Alcohols, Phenols and Ethers Question 129 English Option 3
D
JEE Main 2020 (Online) 4th September Evening Slot Chemistry - Alcohols, Phenols and Ethers Question 129 English Option 4

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