Which of the following polymerisation isomers | vedclass

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(D) Polymerisation isomerism is a type of isomerism where different isomers have the same empirical formula but different molecular masses,which are m

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(D) Polymerisation isomerism is a type of isomerism where different isomers have the same empirical formula but different molecular masses,which are multiples of the empirical formula mass.Given empirical formula is $Cr(NH_3)_3(NO_2)_3$. The formula mass is $M = Cr + 3(NH_3) + 3(NO_2)$.All the given options are dimers of the empirical formula,meaning they all have the same molecular formula $Cr_2(NH_3)_6(NO_2)_6$.Since all options represent the same molecular composition ($2 	imes$ empirical formula),they all have the same molecular mass.Therefore,none of them has a lower molecular mass than the others.

Which of the following polymerisation isomers of the compound having empirical formula $Cr(NH_3)_3(NO_2)_3$ has the lowest molecular mass?

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