The tautomeric pairs are:

How many of the following compounds will accept ${\mathrm{H}}^{\oplus }$. from ammonium ion.

Pyridine, Aniline, Pyrrole, Triphenyl amine, Benzyl amine, Methyl amine, Di-methyl amine, Tri-methyl amine

How many of the following compounds react with ${\mathrm{NaHCO}}_3$ and liberate ${\mathrm{CO}}_2\left(\mathrm{g}\right)$.

$1.$ Salicylic acid
$2.$ Phthalic acid
$3.$ Picric acid
$4.$ Resorcinol
$5.$ Carbolic acid
$6.$ Aspirin
$7.$ Anisole
$8.$ Tartaric acid

Identify the correct product of the above reaction from the following.