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Lavneesh Rajput
Subject: Chemistry
, asked on 24/4/18
Solve this:
Q.
Which of the following compounds will be most reactive towards nucleophilic addition reaction ?
Answer
1
Lavneesh Rajput
Subject: Chemistry
, asked on 24/4/18
Solve this:
Q.69. Which of the following compounds is the strongest acid?
(a) HCOOH
(b)
C
H
3
C
O
O
H
(c)
C
l
2
C
H
C
O
O
H
(d)
C
6
H
5
C
O
O
H
Answer
2
Anuj
Subject: Chemistry
, asked on 23/4/18
The order of reactivity of PhMgBr with the following is? a) CH3(H)C=O b) (CH3)2C=O c) (Ph)2C=O
Answer
2
Anuj
Subject: Chemistry
, asked on 23/4/18
Why doesn't methyl acetate give iodoform test
Answer
1
Muhammad Arafath R Z
Subject: Chemistry
, asked on 18/4/18
Mains online 2018
Q.13
The increasing order of the acidity of the following carboxylic acids is :
1. IV < II < III < I
2. III < II < IV < I
3. I < III < II < IV
4. II < IV < III < I
Answer
3
Anuj
Subject: Chemistry
, asked on 17/4/18
(CH3)2C=O react with NaCN in presence of HCl and then the product Q reacts with H3O+ to give P. Identify P
Answer
1
Parameswaran Namboothiri
Subject: Chemistry
, asked on 16/4/18
question 7 show numbering
Q.7. IUPAC name of
is
Answer
1
Laieeqa
Subject: Chemistry
, asked on 16/4/18
Solve this
Q.26. Acetophenone cannot be prepared easily starting from
(1)
C
6
H
5
C
H
3
(2)
C
6
H
6
(3)
C
6
H
5
C
H
O
H
C
H
3
(4)
C
6
H
5
C
≡
C
H
Answer
1
Anuj
Subject: Chemistry
, asked on 8/4/18
How do we calculate the volatility of compounds?
Q.90. Which of the following would you expect to be the most volatile?
(a)
(b)
(c)
(d)
Answer
1
Dipesh Malhotra
Subject: Chemistry
, asked on 2/4/18
25
Answer
1
Kevan Mehta
Subject: Chemistry
, asked on 29/3/18
An organic compound
C
3
H
6
O
does not gives precipitate with bready reagent and does not reacts with metallic sodium, then comp will be:
Answer
2
Shreya Choudhary
Subject: Chemistry
, asked on 22/3/18
52) Towards catalytic hydrogenation, the least reactive compound is.
(
1
)
C
H
2
=
C
H
2
(
2
)
C
H
3
-
C
H
=
C
H
2
(
3
)
H
3
C
-
C
H
=
C
H
-
C
H
3
(
4
)
(
C
H
3
)
2
C
=
C
(
C
H
3
)
2
Answer
1
Shreya Choudhary
Subject: Chemistry
, asked on 22/3/18
Solve this:
Q.38. The group which is most activating is
(1)
—
N
O
2
(2)
—
O
C
H
3
(3)
—
N
H
2
(4)
—
O
H
Answer
1
Shreya Choudhary
Subject: Chemistry
, asked on 22/3/18
25 n 26
Q25. Which of the following compound can show resonance ?
(1) CH
2
= CH – CH = CH
2
(2) CH
2
= CH – CHO
(3) CH
2
= CH – NH
2
(4) All of these
Q26. Which of the following is the most stable carbocation ?
(1) CH
3
–
C
⊕
H – CN (2) CH
3
–
C
⊕
H –OCH
3
(3) CH
3
–
C
⊕
H – NO
2
(4) CH
3
–
C
⊕
H – CH
3
Answer
1
Shreya Choudhary
Subject: Chemistry
, asked on 22/3/18
Solve this:
Q.18. Which of the following will not show tautomerism?
(1) HCN
(2)
C
H
3
C
H
2
N
O
2
(3)
(4)
C
H
3
O
H
Answer
1
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Next
What are you looking for?
Q. Which of the following compounds will be most reactive towards nucleophilic addition reaction ?
Q.69. Which of the following compounds is the strongest acid?
(a) HCOOH
(b)
(c)
(d)
Q.13 The increasing order of the acidity of the following carboxylic acids is :
1. IV < II < III < I
2. III < II < IV < I
3. I < III < II < IV
4. II < IV < III < I
Q.7. IUPAC name of
![]()
isQ.26. Acetophenone cannot be prepared easily starting from
(1)
(2)
(3)
(4)
Q.90. Which of the following would you expect to be the most volatile?
(a)
(b)
(c)
(d)
Q.38. The group which is most activating is
(1)
(2)
(3)
(4)
Q25. Which of the following compound can show resonance ?
(1) CH2 = CH – CH = CH2 (2) CH2 = CH – CHO
(3) CH2 = CH – NH2 (4) All of these
Q26. Which of the following is the most stable carbocation ?
(1) CH3 – H – CN (2) CH3 – H –OCH3
(3) CH3 – H – NO2 (4) CH3 – H – CH3
Q.18. Which of the following will not show tautomerism?
(1) HCN
(2)
(3)
(4)