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Multiple choice

Aqueous solution of ________ is colourless.

  1. [Cr(NH3)6]3+

  2. [CoCl4]2–

  3. [Cr(OH)6]3–

  4. [Al(H2O)6]3+

  5. [Fe(H2O)6]2+

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

[Al(H2O)6]3+(aq) is a colourless solution.

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