Which of the following pairs of compounds exh | vedclass

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(C) Isomorphism is the phenomenon where different substances crystallize in the same crystalline form and have similar chemical formulas. Sodium nitra

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Sodium nitrate and calcium carbonate

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(C) Isomorphism is the phenomenon where different substances crystallize in the same crystalline form and have similar chemical formulas. Sodium nitrate $(NaNO_3)$ and calcium carbonate $(CaCO_3)$ are classic examples of isomorphism. Both crystallize in the rhombohedral system and have similar structural arrangements of their constituent ions. Calcite and aragonite are polymorphs of $CaCO_3$,not isomorphs. $ \alpha $-quartz and cristobalite are polymorphs of $SiO_2$. Diamond and fullerene are allotropes of carbon.

Which of the following pairs of compounds exhibits isomorphism?

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