Question:
An organic compound 'A' is oxidized with $\mathrm{Na}_{2} \mathrm{O}_{2}$ followed by boiling with $\mathrm{HNO}_{3}$. The resultant solution is then treated with ammonium molybdate to yield a yellow precipitate.
Based on above observation, the element present in the given compound is :
Correct Option: , 4
Solution:
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