MCQ
Which one of the following has the highest electronegativity
- A$Br$
- ✓$Cl$
- C$P$
- D$Si$
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$Cr{(OH)_3} + Cl{O^ - } + O{H^ - } \to CrO_4^{2 - } + C{l^ - } + {H_2}O$
$Cr{(OH)_3}$ $-$ $Cl{O^ - }$ - $CrO_4^{2 - }$ $-$ $Cl^-$
Among the following, the option representing change the freezing point is
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