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A higher value of ionisation energy of t...

A higher value of ionisation energy of the electropositive atom favours the formation of an ionic bond.

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Assertion :- A low value of ionisation energy of the electropositive atom facilitates the formation of ionic bond. Reason :- When the ionisation energy is less, the electropositive atom has a greater tendency to lose electron to form a cation.

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ICSE-CHEMICAL BONDING AND MOLECULAR STRUCTURE-TRUE OR FALSE TYPE QUESTIONS
  1. Only the unpaired electrons present in the outermost shell of an atom ...

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  2. An ionic bond is formed when the electronegativity difference in the c...

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  3. A higher value of ionisation energy of the electropositive atom favour...

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  4. An ionic compound conducts electricity even in the solid state due to ...

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  5. In Cl2 molecule, each Cl atom contains only one lone pair of electrons...

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  6. O2 molecule is paramagnetic in nature.

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  7. Covalent compounds possess very high melting and boiling points.

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  8. lonic reactions are much faster than the molecular reactions.

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  9. The bond length in H2 molecule is 0.174 Å.

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  10. The bond length of C-C bond is greater than that of C=C bond.

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  11. Atoms A and B with Lewis structures : underset(* *)overset(* * )A: and...

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  12. Dipole moment is a scalar quantity and is given by m=q xx r.

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  13. All molecules with polar bonds have dipole moment.

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  14. The repulsive interaction between two lone pairs is less than that bet...

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  15. pi- molecular orbital always contains a nodal plane which divides the ...

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  16. The orbitals of an atom having large difference in energy cannot take ...

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  17. Noble gases are soluble in water due to dipole induced dipole interact...

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  18. The mobile electrons in a metal occupy specified positions in the latt...

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  19. A bonding molecular orbital is formed when the electron waves of the c...

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  20. In a bonding molecular orbital, the electron density is almost zero be...

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