Chemistry Class-11: Chapter –4. Chemical Bonding and Molecular Structure Part – 7

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Question: 49

Predict the shapes of the following molecules on the basis of hybridisation.

Answer:

Question: 50

All the bonds in carbonate ion are equal in length. Explain.

Answer:

Question: 51

What is meant by the term average bond enthalpy? Why is there difference in bond enthalpy of bond in ethanol and water?

Answer:

IV. Matching Type

Question: 52

Match the species in Column I with the type of hybrid orbitals in Column II.

Molecule and Hybridization
Molecule and hybridization

Column I

Column

(i)

(a)

(ii)

(b)

(iii)

(c)

(iv)

(d)

(e)

Answer:

Question: 53

Molecule and Shape
Molecule and shape

Column I

Column

(i)

(a)

Linear

(ii)

(b)

Angular

(iii)

(c)

Tetrahedral

(iv)

(d)

Trigonal bipyramidal

(e)

Pyramidal

Answer:

Question: 54

Compound and Number
Compound and number

Column I

Column

(i)

(a)

(ii)

(b)

(iii)

(c)

(iv)

(d)

Answer:

Question: 55

Match the items given in Column I with examples given in Column II

Items and Examples
Items and examples

Column I

Column

(i)

Hydrogen bond

(a)

(ii)

Resonance

(b)

(iii)

Ionic solid

(c)

(iv)

Covalent solid

(d)

(e)

Answer:

Question: 56

Match the shape of molecules in Column I with the type of hybridisation in Column II.

Shape of Molecules
Shape of molecules

Column I

Column

(i)

Tetrahedral

(a)

(ii)

Trigonal

(b)

(iii)

Linear

(c)

Answer:

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