Question

H2O is dipole, whereas BeF2 is not. It is because

Solution

Correct option is

H2O is angular and BeF2 is linear

, Dipole moment cancel each other in BeF2 because of its linear shape and thus it is non-polar, which is not in the case of H2O.

SIMILAR QUESTIONS

Q1

A molecule XY2 contains two , two -bonds and one lone pair in valence shell of X. The arrangement of lone pair as well as bond pair is

Q2

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?

Q3

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?

Q4

Which of the following gains electrons more easily?

Q5

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  

Q6

The elector-negativities of N, C, Si and P are such that

Q7

Which of the following will have maximum electron affinity?

Q8

EN of the element (A) is E1 and IP is E2. Hence EA will be

Q9

Which one of the following molecules will form a linear polymeric structure due to hydrogen bonding?

Q10

The molecule having highest bond energy is