1
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
2
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
3
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
4
JEE Main 2021 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
In the given reaction

3-Bromo-2, 2-dimethyl butane $$\buildrel {{C_2}{H_5}OH} \over \longrightarrow \mathop {'A'}\limits_{(Major\,\Pr oduct)} $$

Product A is :
A
2-Ethoxy-3, 3-dimethyl butane
B
1-Ethoxy-3, 3-dimethyl butane
C
2-Ethoxy-2, 3-dimethyl butane
D
2-Hydroxy-3, 3-dimethyl butane
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