MCQ
The maximum and minimum melting point of first and second transition series elements respectively are obtained with
- A$Cr$ and $Zn$
- B$Cr$ and $Hg$
- ✓$Cr$ and $Cd$
- D$Mo$ and $Cd$
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Reason : Cuprous ion $(Cu^+)$ is colourless whereas cupric ion $(Cu^{2+})$ is blue in the aqueous solution.
$(a)$ They might be configurational isomers $(b)$ They might be diastereomers
$(c)$ They might be constitutional isomers $(d)$ They might be tautomers
$(e)$ They might be conformational isomers $(f)$ They might be enantiomers
$(g)$ They might be positional isomers
$[Br^-] = [Cl^-] = [CO_3^{2-} ] = [AsO_4^{3-}] = 0.1\,M$.
Which compound will precipitate with lowest $[Ag^+]$ ?
(Given: Atomic mass of $\mathrm{C}=12, \mathrm{H}=1, \mathrm{O}=16 \mathrm{u}$ )