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In which of the following set of compounds, same colour is observed but having different physical state?

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Ag₂CrO₄, Hg₂CrO₄, Cu₂O

KMnO₄, MnS, MnO₂

CdS, ZnO, AgBr

NO₂, KI₃, HgO.Hg(NH₂)I

answer is D.

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Detailed Solution

REDDISH-BROWN GAS OR BROWN OR YELLOW LIQUID WITH PUNGENT ODOUR - No₂

The potassium iodide physical state is solid. This compound is often found in the solid-state as a white powder.

It has a red or orange color. Mercury(II) oxide is a solid at room temperature and pressure.

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