MCQ
The concentration of H+on 25°C will be:
- ✓$10^{-7} M$
- B1 M
- C7 M
- D$10^{-14} M$
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Statement $I$ : Boron is extremely hard indicating its high lattice energy
Statement $II$ : Boron has highest melting and boiling point compared to its other group members.
In the light of the above statements, choose the most appropriate answer from the options given below