MCQ
Anode is:
- ✓Positively charged electrode.
- BNegatively charged electrode.
- CWire used to connect the electrodes.
- DElectrolyte which conducts electricity.
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Which of the following statements is true ?

Statement $I$ : Picric acid is $2, 4, 6$-trinitrotoluene.
Statement $II$ : Phenol$-2, 4-$disulphuric acid is treated with conc. $\mathrm{HNO}_3$ to get picric acid.
In the light of the above statement, choose the most appropriate answer from the options given below :