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Which of the following are coloured in a...

Which of the following are coloured in aqueous solution? Give rea-sons: `V^3+,Cu^(2+),Sc^(3+), Fe^(3+)`

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Which of the following are coloured in aqueous solution ? Give reasons : V^(3+), Cu^(+) , Sc^(3+) ,Fe^(3+)

Which of the ions will give colourless aqueous solution?

Predict which of the following will be coloured in aqueous solution ? Ti^(3+), V^(3+), Cu^(+), Sc^(3+), Mn^(2+), Fe^(3+) and Co^(2+) . Give reasons for each.

Which of the following cations are coloured in aqueous solution and why ? Ti^(4+), Co^(2+), Ag^(+) .

Which of the following ions will be coloured in aqueous solution ? Ti^(3+), V^(3+), MnO_(4)^(-), Sc^(3+), Mn^(2+), Fe^(3+), Co^(2+) .

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Which of the following species has same number of unpaired electrons? (1) Cr^(3+) (2) Mn^(2+) (3) Fe^(3+) (4) Cu^(2+)

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UNITED BOOK HOUSE-HIGHER SECONDARY EXAMINATION 2019-EXERCISE
  1. Which type of ores is concentrated by froth floatation process?

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  2. What is thermit mixture? Mentain one use of it.

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  3. Which of the following are coloured in aqueous solution? Give rea-sons...

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