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Standard XII

Chemistry

Fluorides of Xenon

Assertion :Co...

Question

Assertion :Colour of cadmium chloride ppt is yellow. Reason: Colour of $C d S$ is due to d-d transition in it.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
Colour of cadmium chloride ppt is yellow.
Also, the colour of $C d S$ is due to absorption of light that leads to excitation of an electron from a filled valence band to an empty conduction band.

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(a) Both assertion and reason are correct and the reason is correct explanation of assertion
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(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

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Assertion :Colour of cadmium chloride ppt is yellow. Reason: Colour of CdS is due to d-d transition in it.

The correct option is C Assertion is correct but Reason is incorrectColour of cadmium chloride ppt is yellow. Also, the colour of CdS is due to absorption of light that leads to excitation of an electron from a filled valence band to an empty conduction band.

Assertion :Colour of cadmium chloride ppt is yellow. Reason: Colour of $C d S$ is due to d-d transition in it.

The correct option is C Assertion is correct but Reason is incorrect
Colour of cadmium chloride ppt is yellow.
Also, the colour of $C d S$ is due to absorption of light that leads to excitation of an electron from a filled valence band to an empty conduction band.