Multiple Substituent

Q. A student named a certain compound as 2, 3-diethylbutane. What is its IUPAC name?

1. 2, 3 - dimethylhexane
2. 3, 4 - dimethylhexane
3. 2-ethyl-3-methylpentane
4. 2-ethylbutane

Q. Which of the following compound(s) has/have an isopropyl group?

1. 2-methylpentane
2. 2, 2-dimethylbutane
3. 4-ethyl-2, 3-dimethyloctane
4. 4-(1-methylethyl)heptane

Q. The IUPAC name of $\left[CO\right(N{H}_3\left)\right(N{O}_2{)}_3]$

1. Triamminetrinitrito-N cobalt (III)
2. Trinitrito-O-triammine cobalt (II)
3. Trinitrotriammine cobalt (III)
4. Trinitrotriammine cobaltate (III)

Q. A student named a certain compound as 2, 3-diethylbutane. What is its IUPAC name?

1. 2, 3 - dimethylhexane
2. 3, 4 - dimethylhexane
3. 2-ethyl-3-methylpentane
4. 2-ethylbutane

Q. The IUPAC name of the alkane given below is:

1. 2-isopropyl-2, 6, 6-trimethylheptane
2. 5-tert-butyl-2-isopropyl-2-methylpentane
3. 2, 3, 3, 7, 7-pentamethyloctane
4. 2, 2, 6, 6, 7-pentamethyloctane

Q. The IUPAC name of the given structure is :

1. 3-Ethyl-3-isopropyl-4-tertiarybutylhexane
2. 3, 4, 4-Triethyl-2, 2, 5-trimethylhexane
3. 3, 4-Diethyl-4-isopropyl-2, 2-dimethylhexane
4. 3, 3, 4-Triethyl-2, 5, 5-trimethylhexane

Q.

The IUPAC name of the compound

is

1. 3 - keto - 2 - methylhex - 4 - enal

2. 5 - formylhex - 2 - en - 3 - one

3. 5 - methyl - 4 - oxohex - 2 - en - 5 - al

4. 3 - keto - 2 - methylhex - 5 - enal