MCQ
The element which forms oxides in all oxidation states $ + I$ to $ + V$ is
- ✓$N$
- B$P$
- C$As$
- D$Sb$
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$Zn + HN{O_3}(Dilute)\, \to \,Zn{(N{O_3})_2} + P\, \uparrow $
$E_a\ (Kcal/mol)\,||$ Temp. Change $(K)$
$(I)$ $40\,||\,200\, -\, 210$
$(II)$ $80\,||\,200 \,-\, 210$
$(III)$ $40\,||\,300\, -\, 310$
$(IV)$ $80\,||\,300\, -\, 310$