Question

Which of the following compound is colured ?

a) znso4
b)cu2cl2
c)crcl3
d)tio2​

Answer 1

answer is CuCl2.

It is a green crystalline solid but it's dilute aqueous solution is in pale blue colour.

Answer 2

$\underline{\huge{ \bf{ \color{pink}answer}}}$

$\large{ \bf \: CrCl_3}$

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$\bf \: XnSo_4 \rightarrow \: colourless \\ \\ \bf \: Cu_2Cl_2 \rightarrow \: colourless \\ \\ \bf \: CrCl_3 \rightarrow \: anhydrous: \: violet \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \bf \: hydrous \: form: \: dark \: green \\ \\ \bf TiO_2 \rightarrow \: whitish \: color$