For each of the following pair of hydrogen orbitals, indicate which is higher in energy: 1s, 2s

Which of the following pairs give positive Tollen’s test?

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

Which of the following is not true for S_N1 reaction?

Which of the following does not have S-S bond?

Which of the following set of quantum numbers shows orbital of highest energy ?

Which of the following pairs of transition metal ion s are the stronger oxidising agents in aqueous solutions?

Indicate which pairs of angles are: Linear pairs.

Which compound in the following pair undergoes faster S_N1 reaction ?

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

Which one in the following pairs of substances undergo S_N2 reaction faster and why ?