P Block Elements Question 69
Nitrogen dioxide can be obtained by heating
[CPMT 1989; IIT 1985; CPMT 1993]
Options:
A) $ KNO_3 $
B) $ Pb{{(NO_3)}_2} $
C) $ Cu{{(NO_3)}_2} $
D) $ AgNO_3 $
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Answer:
Correct Answer: A
Solution:
$ \underset{(S)}{\mathop{2KNO_3}}\xrightarrow{\Delta }\underset{(S)}{\mathop{2K}}+2NO_2\uparrow $