1
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following potential energy (PE) diagrams represents the SN1 reaction?
A
JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Hydrocarbons Question 84 English Option 1
B
JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Hydrocarbons Question 84 English Option 2
C
JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Hydrocarbons Question 84 English Option 3
D
JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Hydrocarbons Question 84 English Option 4
2
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product of the following reaction is: JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 148 English
A
JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 148 English Option 1
B
JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 148 English Option 2
C
JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 148 English Option 3
D
JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 148 English Option 4
3
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The maximum number of possible oxidation states of actinoides are shown by :
A
nobelium (No) and lawrencium (Lr)
B
actinium (Ac) and thorium (Th)
C
neptunium (Np) and plutonium (Pu)
D
berkelium (Bk) and californium (Cf)
4
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Molal depression constant for a solvent is 4.0 kg mol–1. The depression in the freezing point of the solvent for 0.03 mol kg–1 solution of K2SO4 is :
(Assume complete dissociation of the electrolyte)
A
0.18 K
B
0.24 K
C
0.36 K
D
0.12 K
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