No. of `P-O-P` linkages and `P-OH` bonds present in cyclotrimetaphosphoric acid are respectively

P1 and P2 are respectively :

dpi-p pi bond is present in :

The number of P-O-P bonds in cyclotrimetaphosphoric acid, (HPO_(3))_(3) is

P–O–P bond is absent in :-

The number of P-O-P and P-OH bonds present respectively in pyrophosphoric acid molecule are

d pi = p pi bond present in:

The number of S = O and S–OH bonds present in peroxodisulphuric acid and pyrosulphuric acid respectively are :

O.N. of P in pyrophosphoric acid is

Radial nodes present in 2s and 2p - orbitals are respectively

Radial nodes present in 3s and 3p - orbitals are respectively