Chemical Bonding Set 3

Results

#1. The bond order in N2 molecule is

zero

#2. The bond order in O2 molecule is

zero

#3. Which one of the following is diamagnetic

O2–

#4. Which one of the following molecule is paramagnetic

#5. Which of the following ions is diamagnetic

O (b) O (c) O (d) N

#6. Pi bond consists of two regions of electron cloud density

along the bond axis

along and perpendicular to bond axis

above and below the bond axis

none of these

#7. Sigma bond consists of one region of electron density

along the bond axis

along and perpendicular to bond axis

above and below the bond axis

none of these

#8. The electron cloud density is symmetrical along the bond axis in

sigma bond

pi bond

both sigma and pi bond

neither sigma nor pi bond

#9. The electron cloud density is not symmetrical along the bond axis in

sigma bond

pi bond

both sigma and pi bond

neither sigma nor pi bond

#10. Covalent bonds are

rigid and directional

rigid and non–directional

neither rigid nor directional

non–rigid and directional

Finish