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JEE Main202315 Apr 2023Morning ShiftChemistryChemical Bonding and Molecular StructureActual

Consider the following statement (A) NF 3 molecules has a trigonal planar structure. (B) Bond Length of N 2 is shorter than O 2 . (C) Isoelectronic molecules or ions have identical bond order. (D) Dipole moment of H 2 S is higher than that of water molecule. Choose the correct answer from the options given below:

Options

  1. AA and B are correct
  2. BA and D are correct
  3. CC and D are correct
  4. DB and C are correct

Correct answer

D. B and C are correct

Step-by-step solution

In NF 3 , nitrogen is having three bond pairs and a lone pair, hence, it has pyramidal shape. The bond order of N 2 = 3 , and The bond order of O 2 = 2 . Bond length is inversely related to bond order. Hence, bond length of N 2 is shorter than O 2 Isoelectronic species have identical bond order Dipole moment of H 2 O is more than that of H 2 S due to higher electronegativity of O .

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