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Union of Sets

Which of the ...

Question

Which of the following sulphides is yellow in colour?

Z n S

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N i S

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C d S

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M g S

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Solution

The correct option is C $C d S$
$(A)$ $Z n S ⟶$ White
$(B)$ $N i S ⟶$ Black
$(C)$ $C d S ⟶$ Yellow
$(D)$ $M g S ⟶$ White

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Similar questions

{C d}^{2 +}

{N i}^{2 +}

C d S

C d S

N i S

P b C l_{2}, H g_{2} C l_{2}, A l (O H)_{3}, Z n S, H g S, S n S_{2}, C d S, S r C O_{3}, B a C O_{3}

Z n^{2 +} + 2 e^{-} \to Z n (s); E^{o} = - 0.76 V

C a^{2 +} + 2 e^{-} \to C a (s); E^{o} = - 2.87 V

M g^{2 +} + 2 e^{-} \to M g (s); E^{o} = - 2.36 V

N i^{2 +} + 2 e^{-} \to N i (s); E^{o} = - 0.25 V

Z n^{2 +} + 2 e^{-} \to Z n (s); E^{o} = - 0.76 V

C a^{2 +} + 2 e^{-} \to C a (s); E^{o} = - 2.87 V

M g^{2 +} + 2 e^{-} \to M g (s); E^{o} = - 2.36 V

N i^{2 +} + 2 e^{-} \to N i (s); E^{o} = - 0.25 V

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