1
JEE Main 2020 (Online) 2nd September Morning Slot
Numerical
+4
-0
Change Language
The internal energy change (in J) When 90 g of water undergoes complete evaporation at 100oC is ____________.

(Given : $$\Delta $$Hvap for water at 373 K = 41 kJ/mol,
R = 8.314 JK–1 mol–1)
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2
JEE Main 2020 (Online) 2nd September Morning Slot
Numerical
+4
-0
Change Language
The number of chiral carbons present in the molecule given below is _____ . JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Basics of Organic Chemistry Question 212 English
Your input ____
3
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The increasing order of the following compounds towards HCN addition is : JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 210 English
A
(iii) < (iv) < (ii) < (i)
B
(i) < (iii) < (iv) < (ii)
C
(iii) < (i) < (iv) < (ii)
D
(iii) < (iv) < (i) < (ii)
4
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major aromatic product C in the following reaction sequence will be : JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Alcohols, Phenols and Ethers Question 134 English
A
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Alcohols, Phenols and Ethers Question 134 English Option 1
B
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Alcohols, Phenols and Ethers Question 134 English Option 2
C
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Alcohols, Phenols and Ethers Question 134 English Option 3
D
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Alcohols, Phenols and Ethers Question 134 English Option 4

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