Which of the following compound expected to be colourless

1.	Which of the following compound expected to be colourless
A.	\[ScO\]
B.	\[{{V}_{2}}{{O}_{3}}\]
C.	\[CuCN\]
D.	\[C{{r}_{2}}{{(S{{O}_{4}})}_{3}}\]
Answer» D. \[C{{r}_{2}}{{(S{{O}_{4}})}_{3}}\]

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Which of the following compound expected to be colourless

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