Arrange the following in order of decreasing oxidation number of Nitrogen.
`NH_3`, `N_3H`, `N_2O, NO`, `N_2O_5`

Arrange the following in decreasing order of oxidation number of nitrogen N_2O, N_2O_4, NO, N_2O_3

Arrange the following in decreasing order of oxidation number of iodine : I_2, HI, HIO_4, ICl.

Arrange the following in decreasing order of their basic strength: C_6H_5NH_2, C_2H_5NH_2,(C_2H_5)_2NH,NH_3

Arrange the following in the order of property indicated: NH_3, PH_3, AsH_3, SbH_3, BiH_3

From the MO theory arrange the following species in order of increasing bond order. O_2^+ O_2^(2+) O_2^(2-) O_2 O_2^-

Arrange the following compounds in increasing order of the boiling points. CH_3CHO,CH_3CH_2OH,CH_3-O-CH_3, CH_3CH_2CH_3

Arrange the following in increasing order of their basic strength. C_6H_5NH_2,C_6H_5NHCH_3,C_6H_5CH_2NH_2