Which of the following is not a disproportionation reaction?I. NH4NO3Δ−−−−−→N2O+H2OII. P4Δ−−−−−→PH3+HPO⊖2III. PCl5Δ−−−−−→PCl3+Cl2IV. IO⊖3+I⊖⟶I2
Among the following structures I to IV I. II. III. IV. It is true that