Nomenclature of Saturated Hydrocarbons

Q. The IUPAC name of the compound H3C−CH|C2H5−CH|C2H5−CH3 is .

1. 2, 3-diethylbutane
2. 3, 4-dimethylhexane
3. 2, 3-methylpentane

Q. The points to be considered while writing the IUPAC names are:

1. Number of carbon atoms
2. Unsaturation
3. Valency of the heteroatom
4. Functional group

Q. The word root for a hydrocarbon with three carbon atoms is ________.

1. meth
2. eth
3. prop
4. but

Q. What is the name of the compound given below?

1. But-2-ene
2. Butene
3. But-1-yne
4. Butane

Q. What will be the word root in the nomenclature of a compound with six carbon atoms in the main chain?

1. But
2. Pent
3. Hex
4. Dec

Q. The IUPAC name of the compound CH3−CH2−CH=CH2 is

1. but-1-ene
2. but-3-ene
3. but-2-ene

Q. A straight chain alkane is formed out of ten carbon atoms. How many hydrogen atoms will be there in that molecule?

1. Forty
2. Twenty
3. Twenty two
4. Twenty one

Q. The IUPAC name of the given compound is ________.

1. 4-methylhexane
2. 3-methylhexane
3. 4-ethylpentane
4. 2-ethylpentane

Q. How many carbon atoms are present in one molecule of butene?

1. Five
2. Six
3. Four
4. Three

Q. Which of the following compounds have the same root word as that of the following compound?

1. Hexane and hex-1-ene
2. Butane and but-2-ene
3. Pentane and pent-2-ene
4. Propane and prop-1-ene

Q. The IUPAC name of the given compound is _________.

1. 4, 5-dimethyl-5, 6-dipropyldecane
2. 3, 4-dimethyl-1, 2, 3-tripropylheptane
3. 4, 4-dimethyl-5-propylnonane
4. 4, 5-methyl-5, 6-propyldecane