A) \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]
B) \[Mn{{O}_{2}}\]
C) \[N{{H}_{4}}N{{O}_{2}}\]
D) \[N{{H}_{3}}\]
Correct Answer: C
Solution :
\[N{{O}_{2}}+KI\to {{I}_{2}}\to \] Blue colour with starch.You need to login to perform this action.
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