S Block Elements Question 7
Question 7 - 25 January - Shift 2
Given below are two statements, one is labelled as Assertion A and the other is labelled 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 form the options given below
(1) Both A and R are correct but R is NOT the correct explanation of $A$.
(2) A is correct but $R$ is not correct.
(3) $A$ is not correct but $R$ is correct
(4) Both A and R are correct and R is the correct explanation of $A$.
Show Answer
Answer: (3)
Solution:
Formula: Reducing nature of alkali metals
The alkali metals and their salts impart characteristic colour to oxidizing flame.
