A→Q;B→P;C→S;D→R
A→Q;B→S;C→P;D→R
A→R;B→P;C→S;D→Q
A→R;B→S;C→P;D→Q
Chloroxylenol gives a positive sodium hydrogen carbonate test. Norethindrone gives a positive carbylamine test. Sulphapyridine gives a positive ferric chloride test. Penicillin gives a positive Bayer's test.
Therefore, the correct match is:
A → Q; B → P; C → S; D → R