Question

1.) Name the following compound: (image 1)

Answer 1

Answer :

(1) The correct option is, 2-ethylpentane

(2) The correct option is, 2,3-dimethylpentane

(3) The correct option is, 2-methyl-2-butene

(4) The correct option is, 7-ethyl-4-dodyne

(5) The correct option is, pentanoic acid

Explanation :

The basic rules for the naming of organic compounds are :

• First select the longest possible carbon chain.

• The longest possible carbon chain should include the carbons of double or triple bonds.

• The naming of alkane is done by adding the suffix -ane, alkene by adding the suffix -ene, alkyne by adding the suffix -yne and carboxylic acid by adding the suffix -oic acid.

• The numbering is done in such a way that first carbon of double or triple bond gets the lowest number.

• The carbon atoms of the double or triple bond get the preference over the other substituents present in the parent chain.

• If two or more similar alkyl groups are present in a compound, the words di-, tri-, tetra- and so on are used to specify the number of times of the alkyl groups in the chain.

Answer 2

1.) 3-methylhexane
2.) 2,3-dimethylpentane
3.) 2-methyl-2-butane
4.) 7-ethyl-4-dodyne
5.) pentatonic acid
Just took this these are the right answers