Phenolphthalein is not a good indicator for titrating:

The best indicator for the detection of the end point in the titration of a weak acid and a strong base is:

The $pH$ range of methyl orange as an indicator is in between:

The indicator used in titrating a weak acid (e.g.,oxalic acid) with a strong base (e.g.,caustic soda) solution is

Given below are two statements :-
Statement $I$ :- Methyl orange is a weak acid.
Statement $II$ :- The benzenoid form of methyl orange is more intense/deeply coloured than the quinonoid form.
In the light of the above statements,choose the most appropriate answer from the options given below :-

The pink color of phenolphthalein in an alkaline medium is due to: