EAN of $\mathrm{Na}\left[\mathrm{PtCl}_{3}\left(\eta^{2}-\mathrm{C}_{2} \mathrm{H}_{4}ight)ight]$ is

EAN of $\mathrm{Na}\left[\mathrm{PtCl}_{3}\left(\eta^{2}-\mathrm{C}_{2} \mathrm{H}_{4}ight)ight]$ is
  1. 86
  2. 78
  3. 84
  4. 34

Solution

$\mathrm{K}\left[\mathrm{PtCl}_{3}\left(\eta^{2}-\mathrm{C}_{2}^{\prime} \mathrm{H}_{4}ight)ight]$
$+4$
$\mathrm{EAN}=74+3^{*} 2+2 * 2=84$ ~

Asked in: JEE-TOPICTESTS-CHEMISTRY

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