Q41.In the structure of the dichromate ion, there is a : (1) linear symmetrical Cr −O −Cr bond. (2) non-linear unsymmetrical Cr −O −Cr bond. (3) non-linear symmetrical Cr −O −Cr bond. (4) linear unsymmetrical Cr −O −Cr bond.
What This Question Tests
This question tests knowledge of the structure of the dichromate ion, specifically the geometry and symmetry of the Cr-O-Cr bridge. The Cr-O-Cr bond is non-linear and symmetrical.
Concepts Tested
📚 NCERT Sections This Tests
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
4.14 — Describe The Preparation Of Potassium Dichromate From Iron Chromite Ore.
Chemistry Class 11 · Chapter 4
4.14 Describe the preparation of potassium dichromate from iron chromite ore. What is the effect of increasing pH on a solution of potassium dichromate?
📋 Question Details
- Chapter
- d-block & f-block Elements
- Topic
- Structure of dichromate ion
- Year
- 2021
- Shift
- 31 Aug Shift 1
- Q Number
- Q41
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 8: d-block & f-block Elements
More from this Chapter
Q41.The major components in "Gun Metal" are: (1) Cu, Sn and Zn (2) Al, Cu, Mg and Mn (3) Cu, Ni and Fe (4) Cu, Zn and Ni
Q95.Lanthanoid contraction is caused due to (1) the appreciable shielding on outer electrons by 4f (2) the appreciable shielding on outer electrons by 5d electrons from the nuclear charge electrons from the nuclear charge (3) the same effective nuclear charge from Ce to Lu (4) the imperfect shielding on outer electrons by 4f electrons from the nuclear charge
Q72.Identify the incorrect statement among the following (1) d− Block elements show irregular and erratic (2) La and Lu have partially filled d orbitals and no chemical properties among themselves other partially filled orbitals (3) The chemistry of various lanthanoids is very (4) 4f and 5f orbitals are equally shielded similar
Q73.The actinoids exhibits more number of oxidation states in general than the lanthanoids. This is because JEE Main 2007 JEE Main Previous Year Paper (1) the 5f orbitals are more buried than the 4f (2) there is a similarity between 4f and 5f orbitals in orbitals their angular part of the wave function (3) the actinoids are more reactive than the (4) the 5f orbitals extend further from the nucleus lanthanoids than the 4f orbitals