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BCl₃ molecule is planar while NCl₃ is pyramidal because
  • a)
    BCl₃ does not have lone pair on B but NCl₃ has
  • b)
    B-Cl bond is more polar than N-Cl bond
  • c)
    N atom is smaller than B
  • d)
    N-Cl bond is more covalent than B-Cl bond
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
BCl₃ molecule is planar while NCl₃ is pyramidal becausea)BCl₃ does not...
Explanation:
The geometry of a molecule depends upon the number of lone pairs and bond pairs on the central atom.
• BCl₃ doesn't have any lone pair on B atom, whereas NCl₃ has a lone pair on N atom.
• Lone pair electrons tend to repel the bond pair electrons, leading to a decrease in bond angle.
• In NCl₃, the lone pair on N atom exerts a repulsive force on the bond pairs, which leads to a decrease in bond angle, resulting in a pyramidal shape.
• In BCl₃, as there is no lone pair on B atom, the bond pairs are not subjected to any repulsion, and the molecule takes a planar shape.

Therefore, the correct answer is option 'A': BCl₃ molecule is planar while NCl₃ is pyramidal because BCl₃ does not have a lone pair on B but NCl₃ has.
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Community Answer
BCl₃ molecule is planar while NCl₃ is pyramidal becausea)BCl₃ does not...
BCl3 has no lone pair so it has sp2 hybridization so triangular co-planar shape whereas in NCl3 it has 3 bond pair nd 1 lone pair so it has sp3 hybridization nd it shape becomes pyramidal. So A is the correct option. 
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BCl₃ molecule is planar while NCl₃ is pyramidal becausea)BCl₃ does not have lone pair on B but NCl₃ hasb)B-Cl bond is more polar than N-Cl bondc)N atom is smaller than Bd)N-Cl bond is more covalent than B-Cl bondCorrect answer is option 'A'. Can you explain this answer?
Question Description
BCl₃ molecule is planar while NCl₃ is pyramidal becausea)BCl₃ does not have lone pair on B but NCl₃ hasb)B-Cl bond is more polar than N-Cl bondc)N atom is smaller than Bd)N-Cl bond is more covalent than B-Cl bondCorrect answer is option 'A'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about BCl₃ molecule is planar while NCl₃ is pyramidal becausea)BCl₃ does not have lone pair on B but NCl₃ hasb)B-Cl bond is more polar than N-Cl bondc)N atom is smaller than Bd)N-Cl bond is more covalent than B-Cl bondCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for BCl₃ molecule is planar while NCl₃ is pyramidal becausea)BCl₃ does not have lone pair on B but NCl₃ hasb)B-Cl bond is more polar than N-Cl bondc)N atom is smaller than Bd)N-Cl bond is more covalent than B-Cl bondCorrect answer is option 'A'. Can you explain this answer?.
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