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1
JEE Main 2021 (Online) 27th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
The major product of the following reaction, if it occurs by SN2 mechanism is :
A
B
C
D
2
JEE Main 2021 (Online) 27th August Morning Shift
MCQ (Single Correct Answer)
+4
-1
In the following sequence of reactions, the final product D is :
A
B
CH3 $$-$$ CH = CH $$-$$ CH2 $$-$$ CH2 $$-$$ CH2 $$-$$ COOH
C
H3C $$-$$ CH = CH $$-$$ CH(OH) $$-$$ CH2 $$-$$ CH2 $$-$$ CH3
D
3
JEE Main 2021 (Online) 27th August Morning Shift
MCQ (Single Correct Answer)
+4
-1
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Synthesis of ethyl phenyl ether may be achieved by Williamson synthesis.
Reason (R) : Reaction of bromobenzene with sodium ethoxide yields ethyl phenyl ether.
In the light of the above statements, choose the most appropriate answer from the options given below :
Assertion (A) : Synthesis of ethyl phenyl ether may be achieved by Williamson synthesis.
Reason (R) : Reaction of bromobenzene with sodium ethoxide yields ethyl phenyl ether.
In the light of the above statements, choose the most appropriate answer from the options given below :
4
JEE Main 2021 (Online) 26th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Which one of the following phenols does not give colour when condensed with phthalic anhydride in presence of conc. H2SO4 ?
A
B
C
D
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