The correct decreasing order of priority for the functional groups of organic compounds in the $IUPAC$ system of nomenclature is:

What is the $IUPAC$ name of neopentane?

Given below are two statements:
Statement $I$: $IUPAC$ name of Compound $A$ is $4-$chloro-$1, 3-$dinitrobenzene.
Statement $II$: $IUPAC$ name of Compound $B$ is $4-$ethyl-$2-$methylaniline.
In the light of the above statements,choose the most appropriate answer from the options given below:

The structure of $4-$Methylpent$-2-$enal is:

Which of the following is an incorrect match?

What is the $IUPAC$ name of the following compound?