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Why carbon froms covalent compounds wher...

Why carbon froms covalent compounds whereas lead forms ionic compounds ?

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Smaller the size of the cation , more predominantly covalent compounds are formed.
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NCERT FINGERTIPS ENGLISH-CHEMICAL BONDING & MOLECULAR STRUCTURE-Assertion And Reason
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  5. Assertion : PF(5),SF(6)and H(2)SO(4) are the examples of expanded octe...

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  6. Assertion : Octet rule is based upon the chemical inertness of noble g...

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  7. Assertion : Sodium chloride (NaCl) is a stable ionic solid. Reason ...

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  8. Assertion : F(2)and O(2)^(2-)have bond order 1 while N(2),CO and NO^(+...

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  9. Assertion : The experimentally determined carbon to oxygen bond length...

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  10. Assertion : The dipole moment in case of BeF(2) is zero. Reason : T...

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  11. Assertion : Dipole moment of NH(3) is greater than that of NF(3). Re...

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  12. Assertion : Among alkaline earth metals, Be predominantly forms covale...

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  13. Assertion : In NH(3), N "is " sp^(3) hybridised but bond angle is 107^...

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  14. Ionic bonds are non-directional while covalent bonds are directional.

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  15. Assertion : O(2) molecule is diamagnetic while C(2) molecule is parama...

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  16. Assertion : Boiling point of p-nitrophenol is greater than that of o-n...

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