Identify the tautmeric pair among the following
R2CH−N=O and R2C=N−OH
H−C|H=⊕N=⊖N and H−⊖C|H−⊖N≡ ⊕N..
Tautomers differ in the position of hydrogen along with the position of double bond.
NH3+A+CO2→(NH4)2CO3 (NH4)2CO3+H2O+B→NH4HCO3 NH4HCO3+NaCl→NH4Cl+C