A) \[N{{a}_{2}}C{{O}_{3}}\]
B) \[KN{{O}_{3}}\]
C) \[{{K}_{2}}C{{O}_{3}}\]
D) \[Cu{{(OH)}_{2}}\]
Correct Answer: C
Solution :
[c] Violet colour to flame is characteristic of potassium. Also aqueous solution of \[{{K}_{2}}C{{O}_{3}}\]is alkaline.
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