Chemistry · Oct / Nov 2022 · Paper 12 · Question 10

Which two pairs of atoms are held together by the same number of bonds?

1. Athe two carbon atoms in a $\mathrm{C_2H_4}$ molecule; the carbon atom and one oxygen atom in a $\mathrm{CO_2}$ molecule
2. Bthe two nitrogen atoms in an $\mathrm{N_2}$ molecule; the two hydrogen atoms in an $\mathrm{H_2}$ molecule
3. Cthe two oxygen atoms in an $\mathrm{O_2}$ molecule; the carbon atom and one hydrogen atom in a $\mathrm{CH_4}$ molecule
4. Dthe two oxygen atoms in an $\mathrm{O_2}$ molecule; the two nitrogen atoms in an $\mathrm{N_2}$ molecule

As printed in the paper