Functional Groups - Practice Questions & MCQ

Which one of the following sets of ions represents the collection of isoelectronic species?

Atomic nos.: F = 9, Cl = 17, Na = 11, Mg = 12, Al = 13, K = 19, Ca = 20, Sc = 21)

The general formula   could be for open chain

The set of meta directing functional groups from the following sets is :

The common name of $\mathrm{C}_6 \mathrm{H}_5 \mathrm{COCH}_3$ is 

The IUPAC name of the following compound is:

 $\mathrm{HOCH}_2\left(\mathrm{CH}_2\right)_3 \mathrm{CH}_2 \mathrm{COCH}_3$

 Correct structure of $\gamma$-methylcyclohexane carbaldehyde is 

The absolute configurations of the following compounds

respectively, are

A) $R$ and $R$
B) $S$ and $S$
C) $R$ and $S$
D) $S$ and $R$