1
JEE Main 2021 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
An organic compound 'A' C4H8 on treatment with KMnO4/H+ yields compound 'B' C3H6O.

Compound 'A' also yields compound 'B' an ozonolysis. Compound 'A' is :
A
2-Methylpropene
B
1-Methylcyclopropane
C
But-2-ene
D
Cyclobutane
2
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
JEE Main 2021 (Online) 22th July Evening Shift Chemistry - Hydrocarbons Question 52 English
In the chemical reactions given above A and B respectively are :
A
H3PO2 and CH3CH2Cl
B
CH3CH2OH and H3PO2
C
H3PO2 and CH3CH2OH
D
CH3CH2Cl and H3PO2
3
JEE Main 2021 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Benzene on nitration gives nitrobenzene in presence of HNO3 and H2SO4 mixture, where :
A
both H2SO4 and HNO3 act as a bases
B
HNO3 acts as an acid and H2SO4 acts as a base
C
both H2SO4 and HNO3 act as an acids
D
HNO3 acts as a base and H2SO4 acts as an acid
4
JEE Main 2021 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
JEE Main 2021 (Online) 20th July Evening Shift Chemistry - Hydrocarbons Question 54 English
Major product P of above reaction, is :
A
JEE Main 2021 (Online) 20th July Evening Shift Chemistry - Hydrocarbons Question 54 English Option 1
B
JEE Main 2021 (Online) 20th July Evening Shift Chemistry - Hydrocarbons Question 54 English Option 2
C
JEE Main 2021 (Online) 20th July Evening Shift Chemistry - Hydrocarbons Question 54 English Option 3
D
JEE Main 2021 (Online) 20th July Evening Shift Chemistry - Hydrocarbons Question 54 English Option 4
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