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Question
$$HNO_3$$ in pure state is colourless but it is often of yellow colur. It is due to
A
unstable structure of $$HNO_3$$ which immediately changes to $$NO_2^-$$
B
photochemical decomposition in presence of sunlight
C
interaction of atmospheric gases with $$HNO_3$$
D
conversion of $$HNO_3$$ into $$NO_2^+$$
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Solution
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Correct option is B. photochemical decomposition in presence of sunlight
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