Which of the following does not give effervescence with `NaHCO_(3)` ?

Which of the following does not give effervescence with Na_(2)CO_(3) ?

Which pair of the following gives effervescence with aq. NaHCO_(3) ? underset(I)(CH_(3)COCl), " "underset(II)(CH_(3)COCH_(3))," "underset(III)(CH_(3)COOCH_(3))," "underset(IV) (CH_(3)COOCOCH_(3))

which of the following amine will not give effervescence with HNO_(2)

Which of the following will give effervesce of CO_(2) with NaHCO_(3)