The $IUPAC$ name of the given compound is:

Give the $IUPAC$ name of the compound: $CH_3CH=CHCOOC_2H_5$

The $IUPAC$ name of the following compound is:

The order of priority of the following functional groups in the $IUPAC$ method of naming organic compounds is:
$(i) >C=O$
$(ii) -NH_2$
$(iii) -CN$
$(iv) -COOR$

The correct $IUPAC$ name for the given structure is:-

Structures and $IUPAC$ names of some hydrocarbons are given below. Explain why the names given in the parentheses are incorrect.
$(a)$ $CH_3-CH(CH_3)-CH_2-CH_2-CH(CH_3)-CH(CH_3)-CH_2-CH_3$
Name: $2,5,6-$Trimethyloctane [and not $3,4,7-$Trimethyloctane]
$(b)$ $CH_3-CH_2-CH(CH_2CH_3)-CH_2-CH(CH_3)-CH_2-CH_3$
Name: $3-$Ethyl$-5-$methylheptane [and not $5-$Ethyl$-3-$methylheptane]