The P Block Elements - Result Question 21
####21. Sugarcane on reaction with nitric acid gives
[1992]
(a) $CO_2$ and $SO_2$
(b) $(COOH)_2$
(c) $2 HCOOH$ (two moles)
(d) Noreaction.
Show Answer
Solution:
- (b) Cane sugar is oxidised to oxalic acid
$ \begin{aligned} & (2 HNO_3 \longrightarrow H_2 O+2 NO_2+O) 18 \\ & \underset{\text{ Cane sugar }}{C _{12} H _{22} O _{11}}+\underset{\text{ From } HNO_3}{18[O]} \longrightarrow \underset{\text{ Oxalic acid }}{6(COOH)_2} \\ & +5 H_2 O \\ & C _{12} H _{22} O _{11}+36 HNO_3 \longrightarrow \\ & 6(COOH)_2+36 NO_2+23 H_2 O \end{aligned} $
