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. For the
I. benzene (C₆H₆) and
II. borazine (B₃N₃H₆₎

Select the correct statement.

Which is not the correct structure of   ion?

Which of the following angle corresponds to sp₂ hybridisation?

Which of the following species has tetrahedral geometry?

Which of the following structures is more acceptable for HNO₃?

Consider the following pairs

Q. More stable species in each pair is 

Azide ion exhibits an (N—N) bond order of 2 and may be represented by resonance structures I, II and III given below :

Select the correct statement(s) about more contributions, 

C—Cl bond in (vinyl chloride) is stabilised in the same way as in 

NO₂ can be represented as 

Q. Formal charge on each oxygen atom is

Which representation for the Lewis structure of HNO₃ is correct?

By S_N 1 reaction allyl chloride changes to allyl alcohol as shown

Select the correct product isotope of carbon)

Stability of (C—Cl) bond in chlorobenzene is sim ilar to (C—Cl) bond in

Consider the following compounds

I. Vinyl chloride
II. B₃N₃H₆

Delocalisation takes place 

Hydrogen bonds are formed in many compounds e.g., H₂O, HF, NH₃. The boiling point of such compounds depends to a large extent on the strength of hydrogen bond and the number of hydrogen bonds. The correct decreasing order of the boiling points of above compounds is :

Out of the following two structures of N₂O, which is more accurate?