Increasing order of bond length is

If a compound contains conjugated system, the measured bond lengths differ form the expected bond length but 1, 3 diene contains following resonance structures Increasing order of bond length between carbon and nitrogen is

If a compound contains conjugated system, the measured bond lengths differ form the expected bond length but 1, 3 diene contains following resonance structures Increasing order of bond length between carbon and nitrogen is

Arrange the halogen hydrides in the increasing order of bond lengths.

Arrange following increasing order of bond length :

Arrange the hydrogen halides in the increasing order of bond length

Arrange the following in the order of increasing NO, NO^+ and NO^- in the increasing order of bond length.

What is the increasing order of bond lengths of bonds indicated as p,q,r and s in following compound?