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Subject: Chemistry, asked on 14/8/19

What is the mech for these two steps

Subject: Chemistry, asked on 26/7/19

Q2.
Ans: B
How?

​​​​​​​Q2. What are the final products of the following sequence of reactions?

(A) Cumene and phenol
(B) Phenol and acetone
(C) Cumene and acetone
(D) Benzoic acid and ethane

Subject: Chemistry, asked on 25/7/19

Ques in pic.
Abs:2.
How?

1. In hydroboration oxidation reaction which is a syn addition phenomena

Total number of trans isomeric product is/are

Subject: Chemistry, asked on 19/7/19

Kindly show product with mechanism.
Ans: phenol+ R-CH2-Br


→(ii)H2O(i)BBr3Product

Subject: Chemistry, asked on 14/7/19

Where will CHO come?
Ans: at C2 or C3 why not C1?

​​​​Fig.​​​   →H-1CHCl3+KOHA

Subject: Chemistry, asked on 4/7/19

Q20.
Ans:D.
Isnt this an E2 rkn. so why not opt B

20. Fig.

Subject: Chemistry, asked on 20/6/19

Ques in pic.
Ans: B explain.
F- woukd be unstable than how B

Subject: Chemistry, asked on 4/6/19

Q27.
Ans: 2.
Why not 1?!

27. The major product of the following reaction is:

Subject: Chemistry, asked on 21/4/19

Q13.
Ans: B.
Why not C
Br is better leaving grp!

Subject: Chemistry, asked on 21/4/19

Q94.
Ans: B.
Explain pls.

Subject: Chemistry, asked on 21/4/19

Q56.
Ans: A.
Please show succesive steps of NGP and role of NBS.

Subject: Chemistry, asked on 8/3/19

Q22.
Ans: C why not A and B

Subject: Chemistry, asked on 7/2/19

Q155
Ans: C.
How to calculate degeneracy?

Subject: Chemistry, asked on 12/1/19

Pls answer this one

Subject: Chemistry, asked on 11/1/19

Ques in pic.
Select the most basic.
Ans: a.
How?

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