1.

The most suitable indicator for the titration of Ba(OH)_2 against HI is

Answer»

phenolphthalein
methyl orange
Both (A) and (B)
NONE of these

Solution :`BA(OH)_(2)` is a strong base and HI is a strong acid, THEREFORE both phenolphthalein and methyl orange can be used as an indicator in their titration.


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