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Q.

Given below are two statements, one is labeled as Assertion A and the other is labeled as Reason R.
Assertion A : The alkali metals and their salts impart characteristic colour to reducing flame.
Reason R : Alkali metals can be detected using flame tests.
In the light of the above statements, choose the most appropriate answer from the options given below

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a

Both A and R are correct and R is the correct explanation of A

b

Both A and R are correct but R is NOT the correct explanation of A

c

A is correct but R is not correct

d

A is not correct but R is correct

answer is D.

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Detailed Solution

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The alkalimetas and their salts impart characteristic colour to an oxidizing flame. This is because that heat from the flame exits the outermost orbital electron cause back to the ground state, they emit the approved energy in the form of light in visible region

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Given below are two statements, one is labeled as Assertion A and the other is labeled as Reason R.Assertion A : The alkali metals and their salts impart characteristic colour to reducing flame.Reason R : Alkali metals can be detected using flame tests.In the light of the above statements, choose the most appropriate answer from the options given below