MCQ
On moving down the group gradually increase
- AOxidising property
- BElectronegativity
- CAcidic property
- ✓Metallic property
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[Given : $h =6.63 \times 10^{-34}\, J \,s$, and $c =3 \times 10^{8} \,m\, s ^{-1}$ ]

Statement $I:$ In the titration between strong acid and weak base methyl orange is suitable as an indicator.
Statement $II:$ For titration of acetic acid with $\mathrm{NaOH}$ phenolphthalein is not a suitable indicator.
In the light of the above statements, choose the most appropriate answer from the options given below: