Find the correct sequence of the bond enthalpy of the "C-X" bond among the following:
1. CH3-F < CH3-Cl > CH3-Br > CH3-I
2. CH3-Cl > CH3-F > CH3-Br > CH3-I
3. CH3-F < CH3-Cl < CH3-Br < CH3-I
4. CH3-F > CH3-Cl > CH3-Br > CH3-I
The major product formed in the dehydrohalogenation reaction of 2-Bromo pentane is Pent-2-ene. This product formation is based on:
1. | Hofmann Rule | 2. | Huckel's Rule |
3. | Saytzeff's Rule | 4. | Hund's Rule |
When n-butyl chloride is heated and treated with alcoholic KOH, what is the main product formed?
1. | But-1-ene | 2. | But-2-ene |
3. | 1-butanol | 4. | 2-Butanol |
The reaction of alkyl chlorides with aqueous KOH and alcoholic KOH is an example of, respectively:
1. Substitution & Elimination
2. Elimination & Substitution
3. Both are Elimination
4. Both are substitution
CH3CH2C(CH3)2CH2I 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
(CH3)3CCH2CH(Br)C6H5 is:
1. Secondary benzyl halide
2. Secondary alkyl halide
3. Primary alkyl halide
4. Secondary allyl halide
The IUPAC name of the major product upon dehydrohalogenation of 2,2,3-Trimethyl-3-bromopentane with sodium ethoxide in ethanol is:
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
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
The IUPAC name of the major product upon dehydrohalogenation of 1-bromo-1-methylcyclohexane with sodium ethoxide in ethanol is:
1. Methylenecyclohexane
2. 4-Methylcyclohex-1-ene
3. 1-Methylcyclohex-1-ene
4. None of the above