In the following reaction the catalyst used is:
+ 3
1. 2.
3. Zn dust 4. and
A (Major)
The product "A" is -
1. 2.
3. 4.
Which of the following bromides is the major product of the reaction shown below, assuming that there are no carbocation rearrangement?
1.
2.
3.
4.
(A);
Major product (A) is:
(a)
(b)
(c)
(d)
Product (C) of the above reaction is :
(a) 1,3-Hexadiene
(b) 1,4-Pentadiene
(c) 1,3-Butadiene
(d) 1,3-Heptadiene
The reagents used for the following conversion is/are-
1. | (i) NaNH2 , (ii) CH3CHO |
2. | (i) NaNH2 , (ii) CH3-CH2-CH2-Br |
3. | (i) KOH, (ii) CH3-CH2-CH2-Br |
4. | (i) KOH, (ii) |
Which alkyne will give 3-ethylhexane on catalytic hydrogenation?
1.
2.
3.
4. All of the above
To carry out above conversion, (A) and (B) respectively, are :
(1) NaNH2, Cl - CH2ーCH2 - CH2 - Br
(2) NaNH2, CH2-CH2-CH2-Br
(3) NaNH2, l-CH2ーCH2-CH2-Br
(4) NaNH2, I-CH2-CH2-CH2-I
The strongest acid among the following is -
1. | 2. | ||
3. | 4. |
Product (C) is:-
1.
2.
3.
4.
Product (A) in this reaction is:
1.
2.
3.
4.
A non-aromatic compound among the following compounds is-
1. | 2. | ||
3. | 4. |
In the above compound, Cl will liberate easily in the form of-
1.
2. Cl-
3. Cl
4. Cl2+
The product (B) in the above-mentioned reaction is-
1. | 2. | ||
3. | 4. |
(A), Product (A) of this reaction is:
(a)
(b)
(c)
(d)
p-Toluidine reacts with benzene diazonium chloride to form compound, which on boiling with aq. H2SO4 give .......... products:
(1) 3
(2) 2
(3) 4
(4) 5
The compounds among the following that can be generated by Friedel craft acylation is/are -
I. | |
II. | |
III. | |
IV. |
1. | II, III and IV | 2. | I, III and IV |
3. | I and II | 4. | II and III |
Partial oxidation of methane with Ni/Al2O3 catalyst gives:
1. HCHO
2. HCOOH
3. H2O and CO2
4. CO and H2O
What products are formed when the following compound is treated with Br2 in the
presence of FeBr3?
1.
2.
3.
4.
Identity Z in the sequence of reactions,
HBr/H2O2
CH3CH2CH=CH2 → Y + C2H5O-Na+→ Z
1. CH3-(CH2)3-O-CH2CH3
2. (CH3)2CH2-O-CH2CH3
3. CH3(CH2)4-O-CH3
4. CH3CH2-CH(CH3)-O-CH2CH3
In the following reaction, What will be the major product?
1.
2.
3.
4.
Nitrobenzene can be prepared from benzene by using a mixture of conc. HNO3 and conc.
H2SO4. In the mixture, nitric acid acts as a/an-
1. Reducing agent
2. Acid
3. Base
4. Catalyst
The number of isomeric sodium salt of acid that will be required to obtain neopentane is-
1. 3
2. 1
3. 4
4. 6
The most probable mechanism for this reaction is-
1. E1
2. E2
3.
4. elimination
The type of reaction and intermediate of decarboxylation reaction are.-
(1)
(2)
(3)
(4)
The compound that has the maximum melting point among the following is-
1.
2.
3.
4.
XY (major product)
The product Y is -