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

What is the major product when n-butyl chloride is heated with alcoholic KOH?
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

(CH₃)₂CHCH(Cl)CH₃ can be classified as:

1. Secondary benzyl halide

2. Secondary alkyl halide

3. Primary alkyl halide

4. Secondary allyl halide

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

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