Primary alkyl halide C4H9Br(A) reacted with alcoholic KOH to give compound (B). Compound (B) is reacted with HBr to give (C), and it was found that C is an isomer of (A).
(A) with sodium metal, gives compound (D), C8H18
which is different from the compound formed when n-butyl bromide is reacted with sodium.
Compound (A) is :
1. 2-Methylpropene
2. Isobutyl bromide
3. 2,5-Dimethylhexane
4. 2-Bromo-2-methylpropane
The best substrate for the preparation of 1-iodobutane in the presence of
NaI/dry acetone is:
1. 1-Chlorobutane
2. n-Butane
3. Butanol
4. Butyne
1. 1-Butanol
2. But-1-ene
3. Butyne
4. Butanal
The correct IUPAC name for the following structure is:
1. 2-Chloro-3-methylbutane
2. 3-Chloro-2-methylbutane
3. 2-Chloro-1-methylbutane
4. 3-Chloro-1-methylbutane
1. Methylenecyclohexane
2. 4-Methylcyclohex-1-ene
3. 1-Methylcyclohex-1-ene
4. None of the above
A major product is obtained by the dehydrohalogenation of 2-Chloro-2-methyl butane with sodium ethoxide in ethanol. The product's IUPAC name is:
1. 2-Methyl-2-butene
2. 2-Methyl-1-butene
3. 1-Methyl-2-butene
4. Methyl butene
1. 2,2,3-Trimethyl-3-bromopentene
2. 3,4,4-Trimethylpent-2-ene
3. 3,4,4-Trimethylpent-3-ene
4. None of the above
(CH3)3CCH2CH(Br)C6H5 is:
1. Secondary benzyl halide
2. Secondary alkyl halide
3. Primary alkyl halide
4. Secondary allyl halide
CH3CH2CH(CH3)CH(C2H5)Cl is:
1. Secondary benzyl halide
2. Secondary alkyl halide
3. Primary alkyl halide
4. Secondary allyl halide