MCQ
Which of the following has highest ionic radii
- ✓$C{r^{ + 3}}$
- B$M{n^{ + 3}}$
- C$F{e^{ + 3}}$
- D$C{o^{ + 3}}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Codes: $ \quad P \quad Q \quad R \quad S $


$(1)$ $C{H_3}CH = CHC{H_2}C{H_3}$ $ \xrightarrow{HBr} $
$(2)$ $C{H_3}C{H_2}CH = C{H_2}$ $ \xrightarrow{HBr} $
$(3)$ $C{H_3}CH = CHC{H_3}$ $ \xrightarrow{Br_2} $
$(4)$ $C{H_3}C{H_2}CH = C{H_2}\mathop {}\limits_{{\rm{}}} $ $ \xrightarrow[Proxide]{HBr} $