The molecule having highest bond energy is
Single bond energies tend to increase as we proceed to right in a given period but still C – C bond is the greatest because electron-electron repulsion is very high in N–N, O–O and F–F due to small size of atoms weakening the respective bonds.
A diatomic molecule has a dipole moment of 1.2D. If the bond distance is 1.0Å, what function of an electronic charge, e, exists on each atom?
The dipole moment of LiH is and the interatomic distance between Li and H in this molecule is 1.596Å. What is the per cent ionic character in LiH?
Which of the following gains electrons more easily?
The IE1, IE2, IE3, IE4 and IE5 of an element are 7.1, 14.3, 34.5, 46.8, 162.2 eV respectively. The element is likely to be
The elector-negativities of N, C, Si and P are such that
Which of the following will have maximum electron affinity?
EN of the element (A) is E1 and IP is E2. Hence EA will be
Which one of the following molecules will form a linear polymeric structure due to hydrogen bonding?
H2O is dipole, whereas BeF2 is not. It is because
Which set is expected to show the smallest difference in first ionisationenergy?