MCQ
Which one does not exhibit paramagnetism
- A$Cl{O_2}$
- ✓$ClO_2^ - $
- C$N{O_2}$
- D$NO$
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| $LIST-I ($Precipitating reagent and conditions) |
$LIST-II ($Cation$)$ |
||
| $A.$ | $NH_4Cl + NH_4OH$ | $I.$ | $Mn^{2+}$ |
| $B.$ | $NH_4OH + Na_2CO_3$ | $II.$ | $Pb^{2+}$ |
| $C.$ | $NH_4OH + NH_4Cl + H_2S$ gas | $III.$ | $Al^{3+}$ |
| $D.$ | dilute $HCl$ | $IV.$ | $Sr^{2+}$ |
Reason : The reaction involves syn-addition of bromine.
$(a)$ $C{H_3} - \mathop C\limits^ \oplus H - C{H_3}$
$(b)$ $C{H_3} - \mathop C\limits^ \oplus H - OC{H_3}$
$(c)$ $C{H_3} - \mathop C\limits^ \oplus H - CO - C{H_3}$
