Redox Reaction Quiz 2

Oxidation number of carbon in $CH_2 F_2$ is …………

In calcium hydride $(CaH_2 )$, the oxidation number of hydrogen is …………

The element with atomic number 9 can exhibit oxidation state of …………

The highest and lowest oxidation states possible for Te (group 16) are …………

What is the oxidation state of S in $Na_2 S_2$  ?

The oxidation state of S in $S_2O_8{^{2-}}$ is ………

The oxidation state of phosphorus in $Ba(H_2PO_2)_2$ is ………

In which of the following compounds, the oxidation number of carbon is NOT zero?

The oxidation number of S in $S_8$ , $S_2F_2$ and $H_2S$ respectively are ………

$3CuO + 2NH_3 \rightarrow N_2 + 3H_2 O + 3Cu$ the change of $NH_3$ to $N_2$ involve ………