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Which of the following is least likely to behave as Lewis base ? [2011]
- a)H2O
- b)NH3
- c)BF3
- d)OH–
Correct answer is option 'C'. Can you explain this answer?
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Which of the following is least likely to behave as Lewis base ? [2011...
BF3 behaves as lewis acid.
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Which of the following is least likely to behave as Lewis base ? [2011...
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Which of the following is least likely to behave as Lewis base ? [2011...
Explanation:
Lewis Base:
A Lewis base is a substance that can donate a pair of electrons to form a covalent bond.
Least likely Lewis Base:
Among the given options, BF3 is the least likely to behave as a Lewis base.
Reasoning:
- BF3 is a Lewis acid as it can accept a pair of electrons to form a covalent bond, but it cannot donate a pair of electrons to act as a Lewis base.
- H2O, NH3, and OH- are all capable of donating a pair of electrons, making them suitable to behave as Lewis bases.
Explanation of Options:
- H2O (water): Water can donate a lone pair of electrons, making it a Lewis base.
- NH3 (ammonia): Ammonia can donate a lone pair of electrons, making it a Lewis base.
- BF3 (boron trifluoride): BF3 is a Lewis acid as it accepts a lone pair of electrons, but it cannot donate a lone pair.
- OH- (hydroxide ion): The hydroxide ion can donate a lone pair of electrons, making it a Lewis base.
Therefore, among the given options, BF3 is the least likely to behave as a Lewis base due to its inability to donate a pair of electrons.
Lewis Base:
A Lewis base is a substance that can donate a pair of electrons to form a covalent bond.
Least likely Lewis Base:
Among the given options, BF3 is the least likely to behave as a Lewis base.
Reasoning:
- BF3 is a Lewis acid as it can accept a pair of electrons to form a covalent bond, but it cannot donate a pair of electrons to act as a Lewis base.
- H2O, NH3, and OH- are all capable of donating a pair of electrons, making them suitable to behave as Lewis bases.
Explanation of Options:
- H2O (water): Water can donate a lone pair of electrons, making it a Lewis base.
- NH3 (ammonia): Ammonia can donate a lone pair of electrons, making it a Lewis base.
- BF3 (boron trifluoride): BF3 is a Lewis acid as it accepts a lone pair of electrons, but it cannot donate a lone pair.
- OH- (hydroxide ion): The hydroxide ion can donate a lone pair of electrons, making it a Lewis base.
Therefore, among the given options, BF3 is the least likely to behave as a Lewis base due to its inability to donate a pair of electrons.
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Which of the following is least likely to behave as Lewis base ? [2011]a)H2Ob)NH3c)BF3d)OH–Correct answer is option 'C'. Can you explain this answer?
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