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# Among the ions $SC^{3+},V^{3+}$ and $Cr^{3+}$ the ion that gives colorless compound is :

$(a)\;Sc^{3+} \\(b)\;V^{3+} \\(c)\; Cr^{3+} \\(d)\;Sc^{3+},V^{3+}$

$Sc^{3+}$ is correct.