MCQ
Most common oxidation states of $Ce$ are
- A$+ 2, + 3$
- B$+ 2, + 4$
- ✓$+ 3, + 4$
- D$ + 3, + 5$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| List $I$ (Amines) | List $II$ $\left( pK _{ b }\right)$ |
| $A$ Aniline | $I$ $3.25$ |
| $B$ Ethanamine | $II$ $3.00$ |
| $C$ $N-$Ethylethanamine | $III$ $9.38$ |
| $D$ $N, N-$Diethylethanamine | $IV$ $3.29$ |
Choose the correct answer from the options given below :-
Diazonium salts $\,+\,Cu_2Cl_2 \, + \, HCl \,\, \to$