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Bhavya Jain
Subject: Chemistry
, asked on 15/5/18
Please tell me what is the correct order of basic strength and why is it like that?
The correct decreasing order of basic strengths of I, II and III is
a.
I > III > II
b.
II > III > I
c.
I > II > III
d.
II > I > III
Answer
1
Lavneesh Rajput
Subject: Chemistry
, asked on 3/5/18
why amide takes longer time to hydrolyse
Answer
2
Jeneeta Eliza John
Subject: Chemistry
, asked on 1/5/18
Explain no.78. Ans(3)
Q78. CH
3
CH
2
CH
2
NH
2
→
HNO
2
(
aq
.
)
A
Major
→
(
ii
)
AgNO
2
(
iii
)
HNO
2
(
i
)
Pl
3
B
For the given reaction sequence, identify the correct statement (s).
(1) A is CH
3
CH
2
CH
2
OH
(2) B is nitrolic acid
(3) B gives blue colour with alkali (NaOH)
(4) All of these
Answer
1
Jeneeta Eliza John
Subject: Chemistry
, asked on 1/5/18
Please ans 76. Option(2)
Q76.
O
|
|
CH
3
-
CH
2
-
C
-
OH
→
P
C
+
l
3
→
∆
NH
3
→
ALC
.
KOH
Br
2
Product
.
.
Product is
(1) CH
3
CH
2
CH
2
NH
2
(2) CH
3
CH
2
NH
2
(3) CH
3
– CH – COOH
|
Br
(4) CH
3
– CONHBr
Answer
2
Jeneeta Eliza John
Subject: Chemistry
, asked on 1/5/18
Explain no.75. Ans(4)
Q75. The increasing order of basic strength of given compounds is
(1) a > d > b > c (2) d > a > c > d
(3) c > b > a > d (4) d > c > b > a
Answer
1
Jeneeta Eliza John
Subject: Chemistry
, asked on 1/5/18
Explain no.72. Ans (1)
Q.72. On reaction with
H
N
O
2
, which of the following amines yield yellow oily product?
(1)
(2)
(3)
(4)
Answer
1
Jeneeta Eliza John
Subject: Chemistry
, asked on 26/4/18
Please explain why the answer is (4) since we already know that in an aqueous solution for ethylamine, the order of basicity is secondary>tertiary.primary
Q.28. Which of the following is most basic in a solution of carbon tetrachloride?
(1)
N
H
3
(2)
C
H
3
C
H
2
N
H
2
(3)
(
C
H
3
C
H
2
)
2
N
H
(4)
(
C
H
3
C
H
2
)
3
N
Sol. Answer (4)
Answer
1
Jeneeta Eliza John
Subject: Chemistry
, asked on 26/4/18
Please Explain the following question
Q.11.
The major product (B) is
(1)
(2)
(3)
(4)
Sol. Answer (3)
Answer
1
Jeneeta Eliza John
Subject: Chemistry
, asked on 26/4/18
Please Answer 25th one:
25. In order to prepare benzonitrile from C
6
H
5
N
2
CI, the reagent required is
(1) KCN in presence of zinc power
(2) CuCN dissolved in KCN
(3) Ba(CN)
2
and HCN
(4) Aqueous HCN
Answer
1
Muhammad Arafath R Z
Subject: Chemistry
, asked on 18/4/18
Amines mains 2018 online
Q.24
The increasing order of diazotisation of the following compounds is
1. (a) < (d) < (b) < (c)
2. (a) < (d) < (c) < (b)
3. (a) < (b) < (c) < (d)
4. (d) < (c) < (b) < (a)
Answer
1
Anuj
Subject: Chemistry
, asked on 17/4/18
Arrange the following in increasing order of basic strength i) EtNH2 ii) MeCONH2 iii)PhCONH2
Answer
1
Manasi Mujumdar
Subject: Chemistry
, asked on 30/3/18
Q. What is this reaction called and how do you get the product if only reactants are given ?
Answer
1
Kevan Mehta
Subject: Chemistry
, asked on 29/3/18
Answer please.
Q.42. How many geometrical isomers are possible for the given compound?
1. 2
2. 4
3. 6
4. 8
Answer
1
Tithi
Subject: Chemistry
, asked on 12/3/18
Q.
Name this compound.
Answer
2
Prerna Varshney
Subject: Chemistry
, asked on 12/3/18
What is Azo Dye test??
Give the reaction involve in it
Answer
3
1
2
3
4
5
Next
What are you looking for?
The correct decreasing order of basic strengths of I, II and III is
a. I > III > II b. II > III > I
c. I > II > III d. II > I > III
Q78. CH3CH2CH2NH2
For the given reaction sequence, identify the correct statement (s).
(1) A is CH3CH2CH2OH
(2) B is nitrolic acid
(3) B gives blue colour with alkali (NaOH)
(4) All of these
Please ans 76. Option(2)
Q76. .
Product is
(1) CH3CH2CH2NH2
(2) CH3CH2NH2
(3) CH3– CH – COOH
|
Br
(4) CH3 – CONHBr
Q75. The increasing order of basic strength of given compounds is
(1) a > d > b > c (2) d > a > c > d
(3) c > b > a > d (4) d > c > b > a
Q.72. On reaction with , which of the following amines yield yellow oily product?
(1)
(2)
(3)
(4)
Q.28. Which of the following is most basic in a solution of carbon tetrachloride?
(1)
(2)
(3)
(4)
Sol. Answer (4)
Q.11.
The major product (B) is
(1)
(2)
(3)
(4)
Sol. Answer (3)
25. In order to prepare benzonitrile from C6H5N2CI, the reagent required is
(1) KCN in presence of zinc power
(2) CuCN dissolved in KCN
(3) Ba(CN)2 and HCN
(4) Aqueous HCN
Q.24 The increasing order of diazotisation of the following compounds is
1. (a) < (d) < (b) < (c)
2. (a) < (d) < (c) < (b)
3. (a) < (b) < (c) < (d)
4. (d) < (c) < (b) < (a)
Q.42. How many geometrical isomers are possible for the given compound?
1. 2
2. 4
3. 6
4. 8
Q. Name this compound.
Give the reaction involve in it