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1
JEE Main 2021 (Online) 17th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
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Choose the correct statement regarding the formation of carbocations A and B given.

JEE Main 2021 (Online) 17th March Evening Shift Chemistry - Hydrocarbons Question 65 English
A
Carbocation A is more stable and formed relatively at faster rate
B
Carbocation B is more stable and formed relatively at slow rate
C
Carbocation B is more stable and formed relatively at faster rate
D
Carbocation A is more stable and formed relatively at slow rate
2
JEE Main 2021 (Online) 17th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Given below are two statements :

Statement I : 2-methylbutane on oxidation with KMnO4 gives 2-methylbutan-2-ol.

Statement II : n-alkanes can be easily oxidised to corresponding alcohols with KMnO4.

Choose the correct option :
A
Both statement I and statement II are incorrect
B
Both statement I and statement II are correct
C
Statement I is correct but statement II is incorrect
D
Statement I is incorrect but statement II is correct
3
JEE Main 2021 (Online) 16th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
An unsaturated hydrocarbon X on ozonolysis gives A. Compound A when warmed with ammonical silver nitrate forms a bright silver mirror along the sides of the test tube. The unsaturated hydrocarbon X is :
A
HC $$ \equiv $$ C $$-$$ CH2 $$-$$ CH3
B
JEE Main 2021 (Online) 16th March Evening Shift Chemistry - Hydrocarbons Question 67 English Option 2
C
CH3 $$-$$ C $$ \equiv $$ C $$-$$ CH3
D
JEE Main 2021 (Online) 16th March Evening Shift Chemistry - Hydrocarbons Question 67 English Option 4
4
JEE Main 2021 (Online) 16th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following is Lindlar catalyst?
A
Partially deactivated palladised charcoal
B
Zinc chloride and HCl
C
Sodium and Liquid NH3
D
Cold dilute solution of KMnO4
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