CBSE Class 11-science Chemistry Resonance and Hydrogen Bond
- Explain why sucrose is quite soluble in water though it is a covalent compound.
- Which has higher boiling point o-nitro phenol or p-nitro phenol? Give reason for your answer.
- The resonating structures of a molecule are given below. Draw the probable hybrid structure.
- SO2 and CO2 are triatomic molecules. Compare their dipole moment. Justify your answer.
- Explain why H2O is liquid while H2S is a gas.
- Give two resonating structure of ozone which satisfy octet rule. Also give probable hybrid structure.
- "BeH2 molecule has zero dipole moment although the Be-H bonds are polar." Explain this sentence on the basis of the concept of dipole moment.
- i)Out of the following resonating forms of formaldehyde which one is least significant and why? ii) What are the factors on which the dipole moment of polyatomic molecules depends?
- The dipole moment of a diatomic molecule is 4.1625 x 10-30cm, express it in Debye units.
- (i) Describe the conditions necessary for hydrogen bonding. (ii) Differentiate between intermolecular and intramolecular hydrogen bonding. (iii) How does energy of the conical structures contribute to the stability of resonance hybrid?
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