Among the following, how many compound(s) destroy nitrite in the solution and does not form even traces of nitrate?
`AgNO_(3),NH_(4)CI,(NH_(2)CONH_(2)+dil.HCI_`, sulphamic acid, (thiourea +dil. `CH_(3)COOH),(FeSO_(4)+` dil `CH_(3)COOH)`
`AgNO_(3),NH_(4)CI,(NH_(2)CONH_(2)+dil.HCI_`, sulphamic acid, (thiourea +dil. `CH_(3)COOH),(FeSO_(4)+` dil `CH_(3)COOH)`
Correct Answer – 1
Sulphamic acid