Based on Bohr Bury's rules arrange the following orbitals in the increasing order of energy:
1s, 2s, 3s, 2p

Arrange the following polymers in the increasing order of tensile strength. Nylon 6, Buna-S, Polythene.

Arrange the following orbitals of H-atom in the increasing order of their energy. 3p_(x),2s,4d_(xy),3s,4p_(z),3p_(y),4s

Arrange the following in increasing order of property mentioned : Bond angle : H_2O, H_2S, H_2Te, H_2Se

Most important chemical reactions of haloalkanes are their substitution reactions. Arrange the four isomeric bromobutanes in the increasing order of their reactivity towards S_N1 reaction.

List the value of n and l for the following orbitals : (1) 3s

Arrange H_2O, H_2S and H_2Se in decreasing order of acid strength?

Arrange the following in the decreasing order of property mentioned : H_2O, H_2S, H_2Se, H_2Te : Boiling point

Arrange the following in increasing order of property mentioned : Oxidation state of S : H_2S_2O_8, H_2SO_3, H_2S_2O_3

Whichof the following orbitals are possible ? IP, 2s, 2p and 3 f

In a hydrogen atom, which orbital is higher in energy than a 3s-orbital?