When ethane and bromine are allowed to interact in sunlight, how many distinct substitution products are possible?
1. | 9 | 2. | 6 |
3. | 8 | 4. | 5 |
, Cl obtained by chlorination of n-butane, will be
1. meso form
2. racemic mixture
3. d-form
4. l-form
The reactivity order of halides for dehydrohalogenation is
1. R-F>R-Cl>R-Br>R-I
2. R-I>R-Br>R-Cl>R-F
3. R-I>R-Cl>R-Br>R-F
4. R-F>R-I>R-Br>R-Cl
In SN2 reactions, the correct order of reactivity for the following compounds : CH3Cl, CH3CH2Cl, (CH3)2CHCl and (CH3)3CCl is :
1. CH3Cl>(CH3)2CHCl>CH3CH2Cl>(CH3)3CCl
2. CH3Cl>CH3CH2Cl>(CH3)2CHCl>(CH3)3CCl
3. CH3CH2Cl>CH3Cl>(CH3)2CHCl>(CH3)3CCl
4. (CH3)2CHCl>CH3CH2Cl>CH3Cl>(CH3)3CCl
Action of RMgX with vinyl chloride gives:
1. alkane
2. alkyne
3. alkene
4. all of these
What would be the product formed when 1-bromo-3-chlorocyclobutane reacts with two equivalents of metallic sodium in ether?
1.
2.
3.
4.
1. | ![]() |
2. | ![]() |
3. | ![]() |
4. | ![]() |
X Cl2→ Benzotrichloride Hydrolysis−−−−−→ Y
X and Y respectievely are:
1. benzene, benzaldehyde
2. toluene, benzaldehyde
3. toluene, benzoic acid
4. benzene, benzoic acid
Benzene on reaction with a mixture of HNO3 and H2SO4 followed by reaction of Cl2/FeCl3 gives:
1. 3-chloro -1 -nitrobenzene
2. 2-chloro -1 -nitrobenzene
3. 4-chloro -1 -nitrobenzene
4. a mixture of 2-chloro and 4-chloro -1 -nitrobenzene
A yellow precipitate is obtained when aqueous AgNO3 is added to a solution of the compound:
1. CCl3CHO
2. CHI3
3. CHCl3
4. C6H5CH2Cl
In the following sequences of reactions;
CH3CH2CH2IKOH(alc.)−−−−−→(A)Br2−→(B)NaNH2/NH3−−−−−−−→(C)
the end product (C) is:
1. alkene
2. alkanol
3. alkyne
4. alkyl amine