This question concerns compounds containing nitrogen.
(a)[2]
Complete the dot-and-cross diagram in Fig. 3.1 for a molecule of ammonia. Show only the outer shell electrons.
(b(i))[1]
State one source of oxides of nitrogen in the air.
(b(ii))[1]
State one adverse effect of oxides of nitrogen.
(c)[1]
State whether nitrogen dioxide is an acidic or basic oxide. Give a reason for your answer.
Worked solution & mark scheme
This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “one pair of electrons between each H and N, with no other electrons on the H atoms” …