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Ruba Balu
Subject: Chemistry
, asked on 17/4/18
Out of chlorobenzene and benzyl chloride, which one gets easily hydrolysed by aq NaOH and why?
Answer
2
Ashwini Upadhya
Subject: Chemistry
, asked on 16/4/18
How is ethyl bromide prepared from
1)ethyl alcohol
2)ethane
3)ethene
Answer
2
Laieeqa
Subject: Chemistry
, asked on 16/4/18
Solve this:
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 15/4/18
Give the reaction of phenol and ethyl alcohol with
1.sodium
2.Br2/H2O
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 14/4/18
Which one of the following lakyl bromides undergoes most rapid solvolysis in methanol solution to give corresponding methyl ether?
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 14/4/18
Q21. In the given reaction
The product will be
(1) Cis-2-butene
(2) Trans-2-butene
(3) 2-butyne
(4) Buta-1, 3-diene
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 14/4/18
Show all the steps involved
The product (C) is
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 13/4/18
Q. Give reason why does this happen
A :
C
H
≡
C
-
C
H
2
-
C
H
=
C
H
2
a
d
d
u
p
H
B
r
t
o
g
i
v
e
C
H
≡
C
-
C
H
2
-
C
H
-
C
H
3
w
h
i
l
e
C
H
≡
C
-
C
H
=
C
H
2
|
Br
adds up HBr to give
C
H
2
≡
C
-
C
H
=
C
H
2
|
Br
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 13/4/18
Correct answer is 1. Name the mechanism and Show all the steps involved in detail. A B are respectively mixture of mmture of (3) Mixture ot (4) Mixture of
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 13/4/18
Explain nicely with reason why does this happen A: adds up HBr to give while adds up HBr to give
Answer
2
Yashi Mishra
Subject: Chemistry
, asked on 13/4/18
Correct answer is 1. Show all the steps involved in the reaction 30. (Products of the following reaction (2) (3) (4) are (ii) H20/Zn CH3COOH + HOOC.CH2CH CH3CHO + CH3CH2CHO CH3COOH + CH3COCH3
Answer
1
Shefali Bhardwaj
Subject: Chemistry
, asked on 13/4/18
Convert benzene to 2-Chloroacetophenone
Answer
1
Shefali Bhardwaj
Subject: Chemistry
, asked on 13/4/18
Convert methyl bromide to propn-2-ol
Answer
1
Kaushik
Subject: Chemistry
, asked on 13/4/18
What happens to cyclomethyl ether when treated HI and heat?
Answer
2
Yashi Mishra
Subject: Chemistry
, asked on 9/4/18
Correct answer is 4. Show all the steps involved in detail.
Q4.
CaC
2
→
H
2
O
A
→
NH
4
Cl
Cu
2
Cl
2
B
→
(
2
)
Mg
/
ether
(
3
)
CO
2
/
H
2
O
/
H
+
(
I
)
1
equ
.
HCl
C
In above reaction product (C) is
(1) CH
2
= CH – COOH
(2) HC
≡
C –– COOH
(3) HOOC –– C
≡
C ––COOH
(4) CH
2
= CH – C = CH
2
|
COOH
Answer
2
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What are you looking for?
1)ethyl alcohol
2)ethane
3)ethene
1.sodium
2.Br2/H2O
The product will be
(1) Cis-2-butene
(2) Trans-2-butene
(3) 2-butyne
(4) Buta-1, 3-diene
The product (C) is
A :
|
Br
adds up HBr to give
|
Br
Q4.
In above reaction product (C) is
(1) CH2 = CH – COOH
(2) HC C –– COOH
(3) HOOC –– CC ––COOH
(4) CH2 = CH – C = CH2
|
COOH