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NTA Abhyas NEET2020Chemistryp Block Elements (Group 15, 16, 17 & 18)Practice

The correct sequence of decreasing number of π -bonds in the structure of H 2 S O 3 , H 2 S O 4 and H 2 S 2 O 7 is:

Options

  1. AH 2 S 2 O 7 > H 2 S O 3 > H 2 S O 4
  2. BH 2 S 2 O 7 > H 2 S O 4 > H 2 S O 3
  3. CH 2 S O 4 > H 2 S 2 O 7 > H 2 S O 3
  4. DH 2 S O 3 > H 2 S O 4 > H 2 S 2 O 7

Correct answer

B. H 2 S 2 O 7 > H 2 S O 4 > H 2 S O 3

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