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The element A burns in nitrogen to give ...

The element A burns in nitrogen to give an ionic compound B. the compound B reacts with water to give C and D. A solution of C becomes milkly on bubbling carbon dioxide. What is the natrue of compound (D)?

A

Acidic

B

Basic

C

Amphoteric

D

Neutral

Text Solution

Verified by Experts

The correct Answer is:
B
`A overset("burn, nitrogen")to underset("ionic compound")(B) overset(H_(2)O)to underset("milky solution")underset(darr +CO_(2))(C)+D`
Since the solution of C becomes milky on bubbling `CO_(2)` into it, C is lime water `(Ca(OH)_(2))`. Thus, the element nitrogen. nitrides on reacting with water give the corresponding hydroxide and ammonia. therefore.
A is calcium (Ca).
B is calcium nitride `(Ca_(3)N_(2))`.
C is lime water `Ca(OH)_(2)`.
D is ammonia `(NH_(3))`.
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