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The compound that has the largest H-M-H bond angle (M = N, O, S, C) is
- a)H2S
- b)CH4
- c)NH3
- d)H2O
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The compound that has the largest H-M-H bond angle (M = N, O, S, C) is...
Order of bond angle is:
CH4 > NH3 > H2O > H2S
The central atom in each of the molecules is sp3 hybridised, but the presence of lone pairs of electrons in NH3 (1 lone pair), H2O (2 lone pairs) and H2S (2 lone pairs) causes greater repulsions and decreases the H-M-H bond angle.
CH4 > NH3 > H2O > H2S
The central atom in each of the molecules is sp3 hybridised, but the presence of lone pairs of electrons in NH3 (1 lone pair), H2O (2 lone pairs) and H2S (2 lone pairs) causes greater repulsions and decreases the H-M-H bond angle.
Most Upvoted Answer
The compound that has the largest H-M-H bond angle (M = N, O, S, C) is...
Understanding H-M-H Bond Angles
The H-M-H bond angle varies depending on the central atom (M) and its hybridization. In this case, we are comparing compounds involving nitrogen (N), oxygen (O), sulfur (S), and carbon (C).
Factors Influencing Bond Angles
- Hybridization: The type of hybridization the atom undergoes plays a crucial role in determining the bond angle.
- Lone Pairs: The presence of lone pairs on the central atom can compress bond angles due to repulsion.
Analysis of Compounds
1. H₂S (Hydrogen Sulfide):
- Structure: Bent shape due to two lone pairs on sulfur.
- Bond Angle: Approximately 92°.
2. CH₄ (Methane):
- Structure: Tetrahedral shape with sp³ hybridization.
- Bond Angle: 109.5°.
3. NH₃ (Ammonia):
- Structure: Trigonal pyramidal due to one lone pair on nitrogen.
- Bond Angle: Approximately 107°.
4. H₂O (Water):
- Structure: Bent shape with two lone pairs on oxygen.
- Bond Angle: Approximately 104.5°.
Conclusion
- Among the given options, CH₄ (methane) has the largest H-M-H bond angle of 109.5° due to its tetrahedral geometry and absence of lone pairs.
- The other compounds, with their lone pairs and bent shapes, have smaller bond angles.
In summary, option 'B' (CH₄) indeed has the largest H-M-H bond angle, making it the correct answer to this question in the context of bond angles and molecular geometry.
The H-M-H bond angle varies depending on the central atom (M) and its hybridization. In this case, we are comparing compounds involving nitrogen (N), oxygen (O), sulfur (S), and carbon (C).
Factors Influencing Bond Angles
- Hybridization: The type of hybridization the atom undergoes plays a crucial role in determining the bond angle.
- Lone Pairs: The presence of lone pairs on the central atom can compress bond angles due to repulsion.
Analysis of Compounds
1. H₂S (Hydrogen Sulfide):
- Structure: Bent shape due to two lone pairs on sulfur.
- Bond Angle: Approximately 92°.
2. CH₄ (Methane):
- Structure: Tetrahedral shape with sp³ hybridization.
- Bond Angle: 109.5°.
3. NH₃ (Ammonia):
- Structure: Trigonal pyramidal due to one lone pair on nitrogen.
- Bond Angle: Approximately 107°.
4. H₂O (Water):
- Structure: Bent shape with two lone pairs on oxygen.
- Bond Angle: Approximately 104.5°.
Conclusion
- Among the given options, CH₄ (methane) has the largest H-M-H bond angle of 109.5° due to its tetrahedral geometry and absence of lone pairs.
- The other compounds, with their lone pairs and bent shapes, have smaller bond angles.
In summary, option 'B' (CH₄) indeed has the largest H-M-H bond angle, making it the correct answer to this question in the context of bond angles and molecular geometry.
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The compound that has the largest H-M-H bond angle (M = N, O, S, C) isa)H2Sb)CH4c)NH3d)H2OCorrect answer is option 'B'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about The compound that has the largest H-M-H bond angle (M = N, O, S, C) isa)H2Sb)CH4c)NH3d)H2OCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The compound that has the largest H-M-H bond angle (M = N, O, S, C) isa)H2Sb)CH4c)NH3d)H2OCorrect answer is option 'B'. Can you explain this answer?.
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