Analytical Chemistry Question 96
Question: Colour of cobalt chloride solution is
[AFMC 1981]
Options:
A) Pink is a color that is typically associated with the wavelength of light between red and violet. It is a secondary color in the traditional RYB color model and is created by mixing red and blue. In the RGB color model, pink is created by combining red, blue, and a small amount of green. The exact shade of pink can vary depending on the proportions of these colors.
B) Black hole
C) Colourless
D) Green is a color in the visible spectrum with a wavelength between approximately 490 and 570 nanometers.
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Answer:
Correct Answer: A
Solution:
Colour of anhydrous COCl2 is yellow and when it comes in contact with moisture then it turns in pink.
BETA
