Substituted Substituent

Q. According to IUPAC convention, name of the following compound is:

1. 2-ethyl-4-methyl-1-cyclopentyl cyclopentane
2. 1-cyclopentyl-3-ethyl-4-methyl cyclopentane
3. 4-cyclopentyl-1-ethyl-2-methyl cyclopentane
4. 2-ethyl-1-methyl-4-cyclopentyl cyclopentane

Q. According to IUPAC convention, name of the following compound is:

1. 2-ethyl-4-methyl-1-cyclopentyl cyclopentane
2. 2-ethyl-1-methyl-4-cyclopentyl cyclopentane
3. 1-cyclopentyl-3-ethyl-4-methyl cyclopentane
4. 4-cyclopentyl-1-ethyl-2-methyl cyclopentane

Q. The IUPAC name of the following compound is

1. 5-Bromo-4-ethylhex-2-ene
2. 2-Bromo-3-ethylhex-4-ene
3. 4-Bromo-3-propylpentane
4. 5-Bromo-4-ethylhex-3-ene

Q. The correct structure for the compound 1, 2-diethyl-1, 8-dimethyl-5-propylcyclooctane is:

1. 
2. 
3. 
4. 

Q. How does borane exist in THF solution?

1. As the trimer $B_3{H}_9$
2. As the complex between borane and THF
3. As the dimer $B_2{H}_6$
4. As the monomer $B{H}_3$

Q. The correct structure for the compound 1, 2-diethyl-1, 8-dimethyl-5-propylcyclooctane is:

1. 
2. 
3. 
4. 

Q. According to IUPAC convention, name of the following compound is:

1. 2-ethyl-4-methyl-1-cyclopentyl cyclopentane
2. 2-ethyl-1-methyl-4-cyclopentyl cyclopentane
3. 1-cyclopentyl-3-ethyl-4-methyl cyclopentane
4. 4-cyclopentyl-1-ethyl-2-methyl cyclopentane

Q. Which of the following compounds is/are incorrectly named?

1. 4-amino-6-bromo-2-hydroxycyclohexane-
   1, 3, 5-tricarbaldehyde
2. (5-bromo-4-chlorocyclopent-2-en-1-ylidene) methanone
3. 3-amino-2, 5, 5-tribromo-4-
   chlorocyclopentanecarboxylic acid
4. 3-amino-2, 5-dibromo-4-chlorocyclopenta-2, 4-diene-1-carboxylic acid

Q. The correct structure for the compound 1, 2-diethyl-1, 8-dimethyl-5-propylcyclooctane is:

1. 
2. 
3. 
4. 

Q. Which of the following compounds is/are incorrectly named?

1. 4-amino-6-bromo-2-hydroxycyclohexane-
   1, 3, 5-tricarbaldehyde
2. (5-bromo-4-chlorocyclopent-2-en-1-ylidene) methanone
3. 3-amino-2, 5, 5-tribromo-4-
   chlorocyclopentanecarboxylic acid
4. 3-amino-2, 5-dibromo-4-chlorocyclopenta-2, 4-diene-1-carboxylic acid