MCQ
The $3d-$ metal ions are paramagnetic in nature because
- AThey are reducing agents
- BThey form coloured salts
- CThey have one or more paired $ s-$ electrons
- ✓They have one or more unpaired $ d-$ electrons
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$X-Y-Z$
$(i)\,\, Cl^-$ can give up an electron more easily than $F^-$
$(ii) \,\,Cl^-$ is a better reducing agent than $F^-$
$(iii)\,\, Cl^-$ is smaller in size than $F^-$
$(iv)\,\, F^-$ can be oxidized more readily than $Cl^-$
$Al_{(S)}+3Ag^+_{(aq)}\,(0.10\, M) \to Al^{+3}_{(aq)}\, (0.30\, M)+3Ag_{(S)}$,
the measured voltage $(E_{cell})$ is $1.50\, volt$. Calculate $E_{cell}^o$ ........... $\mathrm{volt}$
Given : $\frac{{2.303\,RT}}{F} = 0.06\,;\,\log \,3 = 0.48$