MCQ
An elements is in ${M^{3 + }}$ form. Its electronic configuration is $[Ar]3{d^1}$ the ion is
- ✓$T{i^{3 + }}$
- B$T{i^{4 + }}$
- C$C{a^{2 + }}$
- D$S{c^ + }$
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$Cu ( s )+ Sn ^{2+}( aq ) \rightarrow Cu ^{2+}( aq )+ Sn ( s )$
$\left( E _{ Sn ^{2+} \mid Sn }^{0}=-0.16\, V , E _{ Cu ^{2+} \mid Cu }^{0}=0.34\, V \right.$ Take $F=96500\, C\, mol ^{-1}$ )

Codes: $ \quad P \quad Q \quad R \quad S $
