Q53.The correct sequence of decreasing number of π -bonds in the structure of H2SO3, H2SO4 and H2S2O7 is: (1) H2S2O7 > H2SO3 > H2SO4 (2) H2S2O7 > H2SO4 > H2SO3 (3) H2SO4 > H2S2O7 > H2SO3 (4) H2SO3 > H2SO4 > H2S2O7
What This Question Tests
This question tests the ability to draw or recall the correct structures of H2SO3, H2SO4, and H2S2O7 to accurately count the number of pi (π) bonds present in each molecule.
Concepts Tested
📚 NCERT Sections This Tests
5.23 — Give The Oxidation State, D Orbital Occupation And Coordination Number Of
Chemistry Class 11 · Chapter 5
5.23 Give the oxidation state, d orbital occupation and coordination number of the central metal ion in the following complexes: (i) K3[Co(C2O4)3] (iii) (NH4)2[CoF4] (ii) cis-[CrCl2(en)2]Cl (iv) [Mn(H2O)6]SO4
5.15 — Discuss The Nature Of Bonding In The Following Coordination Entities On The
Chemistry Class 11 · Chapter 5
5.15 Discuss the nature of bonding in the following coordination entities on the basis of valence bond theory: (i) [Fe(CN)6] 4– (ii) [FeF6] 3– (iii) [Co(C2O4)3]3– (iv) [CoF6] 3–
4.15 — Describe The Oxidising Action Of Potassium Dichromate And Write The Ionic
Chemistry Class 11 · Chapter 4
4.15 Describe the oxidising action of potassium dichromate and write the ionic equations for its reaction with: (i) iodide (ii) iron(II) solution and (iii) H2S 115 The d- and f- Block Elements Reprint 2025-26
📋 Question Details
- Chapter
- p-block Elements
- Topic
- Oxoacids of Sulfur
- Year
- 2017
- Shift
- 09 Apr Online
- Q Number
- Q53
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 7: The p-Block Elements
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