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99 Percentile Qs Bank for JEE MainChemistryp Block Elements (Group 15, 16, 17 & 18)

Identify the correct order of increasing number of π - bonds in structures of the following molecules. ( I ) H 2 S 2 O 6 ( II ) H 2 SO 3 ( III ) H 2 S 2 O 5

Options

  1. AI < II < III
  2. BII < III < I
  3. CII < I < III
  4. DI < III < II

Correct answer

B. II < III < I

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