In the presence of ZnCl₂, the substrate used to produce 1-iodobutane from HI is?

1.	1-Butanol	2.	Butane
3.	Butyne	4.	Butanal

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

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

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 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

(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

CH₃CH₂C(CH₃)₂CH₂I  is:

1. Secondary benzyl halide

2. Secondary alkyl halide

3. Primary alkyl halide

4. Secondary allyl halide