Chemistry-(general)
NEET Chemistry (general) Assertion Reason Question
Type: Assertion Reason-assertion-Easy-Class 12
Assertion (A): A white crystalline precipitate is observed when disodium hydrogen phosphate is added to a solution containing magnesium ions. | Reason (R): The addition of disodium hydrogen phosphate leads to the formation of magnesium ammonium phosphate in the presence of ammonium ions.
A
Both (A) and (R) are true and (R) is the correct explanation of (A).
B
Both (A) and (R) are true but (R) is not the correct explanation of (A).
C
(A) is true but (R) is false.
D
(A) is false.
Correct Answer
Option A
Detailed Explanation
The NCERT context describes that the addition of disodium hydrogen phosphate to a solution containing Mg²⁺ ions results in the formation of a white precipitate of magnesium ammonium phosphate, confirming the presence of magnesium ions.
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