NEET · Chemistry · STD 11 - 4. Chemical bonding and molecular structure
Identify the correct orders against the property mentioned
(A) \(H _2 O > NH _3> CHCl _3\) - dipole moment
(B) \(XeF _4> XeO _3> XeF _2-\) number of lone pairs on central atom
(C) \(O - H > C - H > N - O -\) bond length
(D) \(N _2> O _2> H _2\) - bond enthalpy
Choose the correct answer from the options given below :
- A A, D only
- B B, D only
- C A, C only
- D B, C only
Answer & Solution
Correct Answer
(A) A, D only
Step-by-step Solution
Detailed explanation
(A) \(H _2 O > NH _3> CHCl _3\) - correct
(C) \(O - H > C - H > N - O\) - Incorrect
According to size of element.
(D) \(N _2> O _2> H _2\) - correct
\(N \equiv N \quad O = O \quad H - H\)
(C) \(O - H > C - H > N - O\) - Incorrect
According to size of element.
(D) \(N _2> O _2> H _2\) - correct
\(N \equiv N \quad O = O \quad H - H\)
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