Question

identify acidic radical present in the given solution a which gives efferevscences of co2 gas with dilute HNO3

Answer 1

HNO3give the effervescence

Answer 2

Presence of effervescence of Co2 may indicate that the acid radical present in the solution can be a Carbonate (CO3).

When Calcium carbonate is reacted with dilute HNO3, it forms Calcium nitrate, water and carbon dioxide gas.

Acid radical tests are usually performed using dilute HCl or H2So4.

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