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Jeneeta Eliza John
Subject: Chemistry
, asked on 10/4/18
Please answer 32nd one
Answer
1
Jeneeta Eliza John
Subject: Chemistry
, asked on 10/4/18
Please answer the 35th one
Q.35. Which of the following compound will give only one type of carbonyl compound on reductive ozonolysis
(1)
C
H
3
2
C
=
C
C
H
3
2
(2)
(3)
(4) All of these
Answer
1
Jeneeta Eliza John
Subject: Chemistry
, asked on 10/4/18
Please answer the 40th question
40.
Which of the following hydrocarbon on reductive ozonolysis, will give CO
2
gas?
(l) CH
2
= CH
2
(2) CH
2
= CH - CH = CH
2
(3)
(4) All of these
Answer
1
Jeneeta Eliza John
Subject: Chemistry
, asked on 10/4/18
21. In which of the following geometrical isomerism is possible?
1
.
C
H
3
C
H
=
C
C
H
3
2
2
.
C
6
H
5
N
=
N
C
6
H
5
3
.
C
H
3
C
H
=
C
H
2
4
.
A
l
l
o
f
t
h
e
s
e
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 9/4/18
Correct answer is 1. Show all the steps involved in all 3 and give reasons for no rearrangement in 1 in detail
Q. In which of the following dehydration by conc. H
2
SO
4
no rearrangement is favourable?
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 7/4/18
Correct answer is 1. Show all the steps involved in detail
Q.19.
What is C?
(1)
C
H
3
-
C
H
3
(2)
(3)
(4)
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 7/4/18
Correct answer is 2. Show all the steps involved in detail
Q.2.
How many moles of
C
H
3
O
H
required to react completely with
?
(1) One
(2) Two
(3) Three
(4) Four
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 7/4/18
Correct answer is 3. Give reason why and why 1st option is not correct?
Q.1. Which of the following is least reactive towards
S
N
2
mechanism?
(1)
(2)
C
H
2
=
C
H
-
C
H
2
-
C
l
(3)
(4)
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 7/4/18
When leaving group is same as nucleophile in SN 2 mechanism, does inversion in configuration take place ? Explain in detail how and why ?
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 6/4/18
Correct answer is 1. Show all the steps involved in detail:
30. Products of the following reactions.
CH
3
C = CCH
2
CH
3
→
(
ii
)
H
2
O
/
Zn
(
i
)
O
3
/
ether
are
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 5/4/18
Correct answer is 1. Give reason why and what is the mechanism used:
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 5/4/18
Correct answer is 1. Explain why in and show and name the mechanism in detail
Q1. CH
3
–– CH = CH –– CHO
→
A
CH
3
–– CH = CH –– CH3
The best suitbabe reagent 'A' is
(1) C
3
H
8
S
2
/H
2
/Ni (2) N
2
H
4
/KOH
(3) Zn – Hg/conc. HCl (4) Hl / P (red )
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 5/4/18
Why does acid take 6 mol HI and aldehyde take 4 mol HI for reduction. Explain with example
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 4/4/18
Correct answer is 1. Give reason why and show the mechanism and steps involved in detail
Q.
In the given reaction
The number of moles of Hl required for conversion is
(1) 12 (2) 8
(3) 14 (4) 10
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 4/4/18
Show the number and position of ? and sigma bonds in toluene along with it's structure
Answer
1
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What are you looking for?
Q.35. Which of the following compound will give only one type of carbonyl compound on reductive ozonolysis
(1)
(2)
(3)
(4) All of these
40. Which of the following hydrocarbon on reductive ozonolysis, will give CO2 gas?
(l) CH2 = CH2
(2) CH2 = CH - CH = CH2
(3)
(4) All of these
Q. In which of the following dehydration by conc. H2SO4 no rearrangement is favourable?
Q.19.
What is C?
(1)
(2)
(3)
(4)
Q.2.
How many moles of required to react completely with ?
(1) One
(2) Two
(3) Three
(4) Four
Q.1. Which of the following is least reactive towards mechanism?
(1)
(2)
(3)
(4)
30. Products of the following reactions.
CH3C = CCH2CH3
Correct answer is 1. Explain why in and show and name the mechanism in detail
Q1. CH3 –– CH = CH –– CHO
CH3 –– CH = CH –– CH3
The best suitbabe reagent 'A' is
(1) C3H8S2/H2/Ni (2) N2H4/KOH
(3) Zn – Hg/conc. HCl (4) Hl / P (red )
Q. In the given reaction
(1) 12 (2) 8
(3) 14 (4) 10