p-Block Elements-I 1 Question 17
17. Statement I In water, orthoboric acid behaves as a weak monobasic acid.
Statement II In water, orthoboric acid acts as a proton donor.
$(2007,3 \mathrm{M})$
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Answer:
Correct Answer: 17. $\mathrm{A} \rightarrow \mathrm{q} ; \mathrm{B} \rightarrow \mathrm{r} ; \mathrm{C} \rightarrow \mathrm{p} ; \mathrm{D} \rightarrow \mathrm{q}, \mathrm{r}$
Solution:
- Orthoboric acid is a weak, monobasic, Lewis acid and the poor acidic character is due to $p \pi-p \pi$ backbondings as:
