In the titration of `NaHCO_(3)` with HCl, indicator cannot be used

In the titration of NH_(4)OH) with HCl, the indicator which cannot be used is :

In the titration of NH_(4)OH) with HCl, the indicator which cannot be used is :

Statement-1: Phenophalein does not show any colour change during the titration of NaHCO_(3) with HCl. Statement-2: In pressure of phenolphalein, HCl does not reat with NaHCO_(3) .

In the titration of NaOH and HCI, which of the following indicators will be used ?

Indicator used in the titration of Na_2 CO_3 and HCl is