Match the following lists
List I | List II |
(A) Benzene | 1. Phosegen |
(B) Ethylene | 2. Silver mirror |
(C) Acetaldehyde | 3. Mustard gas |
(D) Chloroform | 4. (4n+2)Π electron |
5.Carbylamine |
The correct answer is
A B C D
4 3 2 1
A B C D
3 2 1 4
A B C D
2 4 5 3
A B C D
5 1 4 3
Match the following lists:
List- I | List- II |
A. Grignard reagent | 1. H2/ Pd-BaSO4 |
B. Clemmensen reduction | 2. N2H4 | KOH | (CH2)2-OH |
C. Rosenmund reduction | 3. CH3Mg X |
D. Wolff-Kishner reduction |
4. Zn-Hg | conc. HCl 5. H2| Ni |
A - 3; B - 4; C - 2; D - 1
A - 3; B - 4; C - 1; D - 2
A - 2; B - 1; C - 4; D - 5
A - 5; B - 3; C - 2; D - 1
The pairs 2R, 3R-butane diol and 2S, 3S-butane diol are enantiomeric.
2R, 3R and 2S, 3S
2S, 3S and 2S, 3R
2R, 3R and 2R, 3S
2S, 3S and 2R, 3S
The two enantiomers of secondary butyl chloride differ from each other in which one of the following properties?
Boiling point
Specific rotation
Density
Cl—Cl bond length
Assertion (A) : Cyclohexane is the most stable cycloalkane.
Reason (R) : Cyclopropane and cyclobutane are less stable due to angle starin and torsional strain.
The correct answer is-
Both (A) and (R) are true but (R) is not the correct explanation of (A).
(A) is true but (R) is not true.
(A) is not true but (R) is true.
Both (A) and (R) are true and (R) is the correct explanation of (A).
This reaction is known as
Wurtz-Fittig reaction
Wurtz reaction
Fittig reaction
Friedel-Crafts reaction
Which one of the following is more reactive towards SN2 reaction ?
(CH3)3CX
(CH3)2CHX
CH3CH2X
CH3X
The reaction between an alkyl halide and sodium metal in dry ether is called
Clemmensen reduction
Kolbe's reaction
Wurtz 's reaction
Cannizaro's reaction
DDT is related to
insecticide
fungicide
chlorination
florination
A.
insecticide
DDT stands for p, p'-dichlorodiphenyl trichloro ethane. DDT is powerful insecticide.