Chemistry - CHEMICAL BONDING Question with Solution | TestHub

(A) O(CH₃)₂ < O(C₂H₅)₂

• Ethyl group is larger → more repulsion → slightly larger bond angle
  (Correct)

(B) H₂O < O(Me)₂

• Water has 2 lone pairs → smaller bond angle
  (Correct)

(C) H₂O < OCl₂

• OCl₂ has less electronegative Cl → bond angle larger than H₂O? Actually (correct)

(D) NH₃ < NF₃

• NH₃ bond angle = 107.8°
• NF₃ bond angle = 102° (smaller due to lone pair-bond pair repulsion and F pulling electrons)
  So this order is incorrect