Which of the following ionic species will impart colour to an aqueous solution (a) Ti 4+ (b) Cu + (c) Zn 2+ (d) Cr 3+ Which of the following ionic species will impart colour to an aqueous solution (a) Ti 4+ (b) Cu + (c) Zn 2+ (d) Cr 3+ November 29, 2020 Category: Uncategorised [...]