Chemical Bondin...

Direction (Q. Nos. 1-15) This section contains 15 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE option is correct.

Q. By Lewis structure NO has following fact

Lewis structure of HCI, H₂O and NH₃ are

The maximum covalency is equal to :

Which of the following has incomplete octet?

Expansion of octet can not take place in

Which of the following is electron deficient?

Based on valence bond theory, types of bonding in H₂O are

Bond order of (B— H) x and y bonds in diborane are respectively

Considering x-axis as the internuclear axis, which out of the following will not form sigma bond.

In which of the following molecules would you expect the N to N bond to be shortest ?

Which of these molecules have non-bonding electron pairs on the central atom?

I. SF₄
II. ICI3
III. SO₂
IV. NH₃
V. SiF₄

HCN and HNC molecules have equal number of

When a chemical bond is formed, there is decrease in

Mean bond enthalpy of different bonds are given

Out of the given pairs, which compound is more stable than the other?

Covalency of carbon in CO is three because