MCQ
Which of the following aqueous solution of compound have maximum pH?
- A$NH _4 Cl$
- B$Na _2 CO _3$
- ✓NaOH
- DNaCl
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Statement $(I)$ : The oxidation state of an element in a particular compound is the charge acquired by its atom on the basis of electron gain enthalpy consideration from other atoms in the molecule.
Statement $(II)$ : $\mathrm{p} \pi-\mathrm{p} \pi$ bond formation is more prevalent in second period elements over other periods.
In the light of the above statements, choose the most appropriate answer from the options given below :