Which of the following anion is orange in colour?

Permanganate ion

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Dichromate ion

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Sulphate ion

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Chloride ion

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Solution

The correct option is B
Dichromate ion

Dichromate ion is orange in colour. The colour of permanganate ion is pink or purple. Chromate ion is yellow in colour. Chloride and sulphate ions are colourless.

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Similar questions

Which law is represented by the following expression?

For a positive colloid the order of precipitation is : Phosphate ion>sulphate ion >chloride ion.

The reaction given below is an example of:
$B a (O H)_{2} (s) + 2 C u C N S (s) \to B a (C N S)_{2} (a q) + 2 C u O H (s)$

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