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Q.

Calculate x + y + z for H3PO3 acid, where x is number of lone pairs, y is number of σ-bonds and z is number of π-bonds:

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a

5

b

14

c

13

d

12

answer is C.

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Detailed Solution

x = 6, y = 6, z =1∴x + y + z = 6 + 6 + 1 = 13
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