8. Assertion: If we add some ammonium chloride (solid) in water and stir it, it disappears after sometime. Reason: Ammonium chloride is soluble in water. a. Both assertion and reason are true and the correct explanation. b. Both assertion and reason is true but not the correct explanation. c. Assertion is true and reason is false. d. Assertion is false and reason is true.
Answers
Answer:NH
4
Cl
(aq)
→NH
4(aq)
+
+Cl
(aq)
−
NH
4
+
ions formed, undergo hydrolysis with water to form NH
4
OH and H
+
ions. NH
4
OH is a weak base and thus remains almost unionised in solution. As a result, [H
+
] ions increase in solution, making the solution acidic.
Explanation:
a. Both assertion and reason are true and the correct explanation.
Assertion A: If we add some ammonium chloride (a solid) to a glass of water and stir it for some time, we find that solid disappears. Reason R: Ammonium chloride is soluble in water.....
Plants, animals, and microbes are interdependent. This makes the ecosystem self-regulating and self-sustaining with all the components of the ecosystem. So, the correct answer is option A. Both assertion and reason are true and reason is the correct explanation of assertion....
If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion. ... If Assertion is True but the Reason is False....
So, the correct answer is option A. Both assertion and reason are true and reason is the correct explanation of assertion..........