Chemical Bonding Set 8

Results

#1. Which of the following ions has larger ionic radius?

Na+

K+

Mg2+

Al3+

#2. Which of the following bonds is least polar?

H–Se

P–Cl

H–Cl

N–Cl

#3. Which one has the least bond angle?

NH3

CH4

H2O

BF3

#4. Coordinate covalent bonds are formed by

sharing of electrons

donation of electrons

transference of electrons

none of these

#5. Which of the following molecules would be expected to have zero dipole moment?

#6. The bond formed between the elements of low ionization energy and elements of high electron affinity is

ionic

covalent

metallic

coordinate

#7. The side ways overlap of two–p orbitals to form a bond is called

sigma bond

pi (p) bond

ionic bond

covalent bond

#8. The head overlap of p–orbitals of two atoms give rise to bond called

sigma bond

pi (p) bond

ionic bond

covalent bond

#9. Which element would be the most electronegative element with

high ionization energy (IE) and low electron affinity (EA)

low ionization energy (IE) and high electron affinity (EA)

low ionization energy and low electron affinity

high ionization energy and high electron affinity

#10. Which element would be the least electronegative element with

high I.E. and low E.A

low I.E. and high E.A

low I.E. and low E.A.

high I.E. and low E.A.

Finish