MCQ
Which has highest melting point
- A$LiCl$
- ✓$BeC{l_2}$
- C$BC{l_3}$
- D$CC{l_4}$
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The correct order of their acidity is 
$Cu(s) + 2Ag^+(aq) \to Cu^{2+}(aq) + 2Ag(s)$
$E^o = 0.46\,V$ at $298\,K$ is approximately