Given: HCN + NaOH $\rightarrow$ NaCN + H₂O
Which of the Following Is Taking Place

Given: HCN + NaOH $\rightarrow$ NaCN + H₂O
Which of the following is taking place in the reaction?

A) The oxidation numbers of all the atoms remain the same.
B) The oxidation number of the nitrogen atom increases from +3 to +4.
C) The oxidation number of the nitrogen atom decreases from +4 to +3.
D) The oxidation number of the hydrogen atom decreases from +2 to +1.
E) The oxidation number of the carbon atom increases from +2 to +3.
Refer to the reaction below for 39-40.
Given:
2CH₄ + 3O₂ $\rightarrow$ 2CO + 4H₂O