The IUPAC name of the above mentioned compound is - 

1. 1,2,3-Tricyanopropane

2. Propane-1,2,3-tricarbonitrile

3. 1,2,3-Cyanopropane

4. Propane Tricarbylamine

The IUPAC name of a given compound is:

1. 2-Ethyl-3-methyl-hex-1-en-4-yne

2. 5-Ethyl-4-methyl-hexa-2-yn-5-ene

3. 3-Methylene-4-methylhepta-5-yne

4. 4-Methyl-5-methylene hepta-2-yne

The IUPAC name of the compound

1. 3,3-diethyl-4-methyl-5 (methylethyl)octane

2. 3,3-diethyl-5-isopropyl-4-methyloctane

3. 4-isopropyl-5-methyl-6,6-diethyloctane

4. 6,6-diethyl-4-isopropyl-5-methyloctane

The correct structure of 3,3-dimethyl butyne is:
1.    
2.  
3.   ​​​​​​​
4.   ​​​​​​​​​​​​​​

The IUPAC name of the compound, 

1. 2-Ethylbutanamide
2. 2-Methylbutanamide
3. 1-Amino-2-methylpropane
4. None of the above