Q50.A solution of CrO5 in amyl alcohol has a....colour (1) Green (2) Orange-Red (3) Yellow (4) Blue
What This Question Tests
This question tests the specific chemical property and characteristic color of chromium(VI) oxide in amyl alcohol, a common qualitative test for chromium.
Concepts Tested
📚 NCERT Sections This Tests
5.19 — [Cr(Nh3)6] 3+ Is Paramagnetic While [Ni(Cn)4] 2– Is Diamagnetic. Explain Why?
Chemistry Class 11 · Chapter 5
5.19 [Cr(NH3)6] 3+ is paramagnetic while [Ni(CN)4] 2– is diamagnetic. Explain why? 5.20 A solution of [Ni(H2O)6] 2+ is green but a solution of [Ni(CN)4] 2– is colourless. Explain. 5.21 [Fe(CN)6] 4– and [Fe(H2O)6] 2+ are of different colours in dilute solutions. Why?
5.25 — Explain The Violet Colour Of The Complex [Ti(H2O)6] 3+ On The Basis Of Crystal
Chemistry Class 11 · Chapter 5
5.25 Explain the violet colour of the complex [Ti(H2O)6] 3+ on the basis of crystal field theory.
4.11 — Explain Giving Reasons:
Chemistry Class 11 · Chapter 4
4.11 Explain giving reasons: (i) Transition metals and many of their compounds show paramagnetic behaviour. (ii) The enthalpies of atomisation of the transition metals are high. (iii) The transition metals generally form coloured compounds. (iv) Transition metals and their many compounds act as good catalyst.
📋 Question Details
- Chapter
- d-block & f-block Elements
- Topic
- Reactions of Transition Metals
- Year
- 2023
- Shift
- 29 Jan Shift 2
- Q Number
- Q50
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 8: The d- and f-Block Elements
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