1
NEET 2026
MCQ (Single Correct Answer)
+4
-1
The calculated 'spin-only' magnetic moment $\mathrm{Ti}^{2+}\left(3 \mathrm{~d}^2\right)$ is :
2
NEET 2025
MCQ (Single Correct Answer)
+4
-1
Match List - I with List - II.
| List - I | List - II | ||
|---|---|---|---|
| A | Haber process | I | Fe catalyst |
| B | Wacker oxidation | II | $\mathrm{PdCl}_2$ |
| C | Wilkinson catalyst | III | $\left[\left(\mathrm{PPh}_3\right)_3 \mathrm{RhCl}\right]$ |
| D | Ziegler catalyst | IV | $\mathrm{TiCl}_4$ with $\mathrm{Al}\left(\mathrm{CH}_3\right)_3$ |
Choose the correct answer from the options given below :
3
NEET 2025
MCQ (Single Correct Answer)
+4
-1
Given below are two statements :
Statement I: Ferromagnetism is considered as an extreme form of paramagnetism.
Statement II : The number of unpaired electrons in a $\mathrm{Cr}^{2+}$ ion $(\mathrm{Z}=24)$ is the same as that of a $\mathrm{Nd}^{3+}$ ion $(\mathrm{Z}=60)$.
In the light of the above statements, choose the correct answer from the options given below :
4
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Baeyer's reagent is :
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