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Question

Which of the following is bright yellow at room temperature?

A
Barium bromide
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B
Mercurous iodide
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C
Mercuric iodide
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D
Lead iodide
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Solution

The correct option is D Lead iodide

At room temperature, Lead Iodide is a bright yellow odorless crystalline solid, that becomes orange and red when heated. Lead iodide was formerly employed as a yellow pigment in some paints, with the name iodide yellow.


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