Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
68%
Level 2: 60%+
NEET - 2019
Hints
What is the correct electronic configuration of the central metal ion in \(\mathrm{K_{4}Fe(CN)_{6}}\) based on crystal field theory:
| 1. | \(e^{4} t_{2 g}^{ 2}\) | 2. | \(t_{2 g}^{ 4} e_{g}^{2}\) |
| 3. | \(t_{2 g}^{ 6} e_{g}^{0}\) | 4. | \(e^{3} t_{2 g}^{ 3}\) |
Subtopic: VBT, CFT & their Limitations |
83%
Level 1: 80%+
NEET - 2019
Hints
Subtopic: Phenols: Preparation & Properties |
86%
Level 1: 80%+
NEET - 2019
Hints
Links
Subtopic: Octate, Isoelectronic Species, Lewis Structure & Formal Charge |
76%
Level 2: 60%+
AIPMT - 2013
Hints
| 1. | Sr | 2. | Be |
| 3. | Mg | 4. | Ca |
Subtopic: Vitamins, Hormones & Enzymes |
80%
Level 1: 80%+
NEET - 2019
Hints
Which of the following mixtures forms the maximum boiling azeotrope?
| 1. | Heptane + Octane | 2. | Water + Nitric acid |
| 3. | Ethanol + Water | 4. | Acetone + Carbon disulphide |
Subtopic: Azeotrope |
72%
Level 2: 60%+
NEET - 2019
Hints
Links
In which orbital is the pair of electrons located in the provided carbanion, CH3C≡C– ?
1. sp3
2. sp2
3. sp
4. 2p
Subtopic: Hybridisation | V.S.E.P.R & V.B.T |
82%
Level 1: 80%+
NEET - 2016
Hints
Subtopic: Introduction to Redox and Oxidation Number |
76%
Level 2: 60%+
NEET - 2019
Hints
The species Ar, K+ and Ca2+ contain the same number of electrons. In which order do their radii increase?
1. Ar < K+ < Ca2+
2. Ca2+ < Ar < K+
3. Ca2+ < K+ < Ar
4. K+ < Ar < Ca2+
Subtopic: Atomic Size |
84%
Level 1: 80%+
NEET - 2015
Hints
Find out the solubility product \(K_{sp}\) of \(Ca \left(OH\right)_{2}\) if the pH of its saturated solution is 9:
| 1. | \(0 . 5 \times \left(10\right)^{- 10}\) | 2. | \(0 . 5 \times \left(10\right)^{- 15}\) |
| 3. | \(0 . 25 \times \left(10\right)^{- 10}\) | 4. | \(0 . 125 \times \left(10\right)^{- 15}\) |
Subtopic: pH calculation |
67%
Level 2: 60%+
NEET - 2019
Hints
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