p-Block Elements-I - Result Question 46

####17. Statement I In water, orthoboric acid behaves as a weak monobasic acid.

Statement II In water, orthoboric acid acts as a proton donor.

$(2007,3 M)$

Show Answer

Answer:

Correct Answer: 17. $A \rightarrow q ; B \rightarrow r ; C \rightarrow p ; D \rightarrow q, r$

Solution:

  1. Orthoboric acid is a weak, monobasic, Lewis acid and the poor acidic character is due to $p \pi-p \pi$ backbondings as:



NCERT Chapter Video Solution

Dual Pane