Boron forms ionic compounds due to :

higher ionisation enthalpy

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lower ionisation enthalpy

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small size

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both A and C

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Solution

The correct option is D both A and C
As boron is predominantly a non-metal it hardly loses the electrons and forms ionic bonds. It always forms covalent bonds due to following reasons
1) Small size
2) High nuclear charge
3) High ionisation energy
Hence option $A, C$ is correct.

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Similar questions

__ (electrolytic dissociation/ electrolytic ionisation) is the process due to which an ionic compound dissociates into ions in the fused state or in aqueous solution.

Q. Why is ionisation energy of boron less than beryllium?

Q. Boron forms covalent compounds due to :

Q. Ionisation energy of Carbon is more than that of Boron,why?

Q. Assertion :Nitrogen doesn't form compound of the type

N_{2}^{+} [P t F_{6}]

(Ionisation potential of

N_{2}

1403 k J m o l^{- 1}

) Reason: Oxygen and xenon which have ionisation energies,

1180 k J m o l^{- 1}

and

1170 k J m o l^{- 1}

, respectively, can be oxidised by

P t F_{6}

while nitrogen having comparatively much higher ionisation energy,

1403 k J m o l^{- 1}

cannot be oxidised, so a compound of the type

[N_{2}]^{+} [P t F_{6}]^{-}

cannot be formed.

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Boron forms ionic compounds due to :

The correct option is D both A and CAs boron is predominantly a non-metal it hardly loses the electrons and forms ionic bonds. It always forms covalent bonds due to following reasons1) Small size2) High nuclear charge3) High ionisation energyHence option A,C is correct.

The correct option is D both A and C
As boron is predominantly a non-metal it hardly loses the electrons and forms ionic bonds. It always forms covalent bonds due to following reasons
1) Small size
2) High nuclear charge
3) High ionisation energy
Hence option $A, C$ is correct.