Consider the following statements. Statement I The number o…

Physics JEE Main Full Syllabus Mock Test 75 Question New Syllabus TEST 2 PCM MCQ (Single Correct)

Consider the following statements.

Statement I The number of bridges in the structure of phosphorus pentoxide and phosphorus trioxide are 6.
Statement II Basicity of orthophosphoric acid and phosphorous acid are 2 and 3 respectively. In light of the above statements, choose the correct answer from the options given below.

Statement I is true but Statement II is false.

Statement I is false but Statement II is true.

Both Statement I and Statement II are true.

Both Statement I and Statement II are false.

Text Solution

Verified by Experts

The correct answer is:

Statement I is true but Statement II is false. The corrected form is as, Orthophosphoric acid is a tribasic acid because it has three replaceable hydrogen atoms. Hence, the basicity of is 3 while phosphorous acid is a dibasic acid because it has two replaceable hydrogen atom. Hence, the basicity of is 2 .