The correct statement describing the relationship between
(a)X and Y are resonance structures and Z is a tautomer
(b)X and Y are tautomers and Z is a resonance structure.
(c)X, Y and Z are all resonance structures.
(d)X, Y and Z are all tautomers.
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
X and Y differ only in the placement of electrons on the nitro group (resonance); Z (aci-nitro, C=N(O)OH) differs in the position of H — a tautomer (a).