p-Block Elements-I 1 Question 17

Assertion and Reason

Read the following questions and answer as per the direction given below :

(a) Statement I is correct; Statement II is correct Statement II is the correct explanation of Statement I

(b) Statement I is correct; Statement II is correct Statement II is not the correct explanation of Statement I

(c) Statement I is correct; Statement II is incorrect

(d) Statement I is incorrect; Statement II is correct

17.

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

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

$(2007,3 \mathrm{M})$

Show Answer

Answer:

Correct Answer: 17. (a)

Solution:

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

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