Question

which one is coloured compound chlorine, potassium, vanadium​

Answer 1

Explanation:

vanadium I hope it is correct

Answer 2

Answer:

Chlorine:

Chlorine is an greenish-yellow gaseous element. Its atomic number is 17, and is one of the class called halogens in the periodic table.

Potassium:

Potassium metal is soft and white with a silvery lustre, has a low melting point, and is a good conductor of heat and electricity. Potassium imparts a lavender colour to a flame, and its vapour is green.

vanadium:

Transition metals with electrons in the d orbital are able to form colored complexes based on their oxidation state. Vanadium is one such metal. It is capable of oxidation states of +2, +3, +4, and +5. Each of these states have a different color: purple (II), green (III), blue (IV) and yellow (V).

Explanation:

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