MCQ
Which of the following has maximum boiling point ?
- ✓$CH_3COOH$
- B$CH_3-CH_2-OH$
- C$CH_3-CH_2-NH_2$
- D$CH_3-CH_2-CH=O$
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($en =$ ethylenediamine)

$Fe^{3+} + e \to Fe^{2+} ;$ $E^o = 0.771\, volts$
$I_2 + 2e\to 2I^-;$ $E^o = 0.536\, volts$
$E^o$ cell for the cell reaction
$2Fe^{3+} + 2I^-\to 2Fe^{2+} + I_2$ is
$(I)$ $AgNO_3$ $(II)$ $CaCO_3$
$(III)$ $Pb(NO_3)_2$ $(IV)$ $Na_2CO_3$