InterviewSolution
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InterviewSolution
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Assertion (A): Alkali metal salts with conc.HCl on heating gives characteristic coloured flame. Reason (R): The heat in the flame excited the valence electron to higher energy level and when it drops back, the excess energy emitted as light in the visible region gives colourA. Both (A) and (R) are correct but (R) is not the correct explanation of (A)B. Both (A) and (R) are correct and (R) is the correct explanation of (A)C. (A) is correct but (R) is wrong.D. (A) is wrong but (R) is correct |
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Answer» Correct Answer - B |
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