Draw the structures of two compounds that have the composition CH 3 NO 2 and have all three H atoms bonded to the C. Predict which compound has the larger ONO bond angle.

Hi everyone here, we have a question asking us to draw two structures with the formula C three H seven N. Where there is at most one CH three group identify which structure would have a larger carbon nitrogen carbon bond angle. So our first structure, we're going to have two hydrogen bond to a carbon double bonded to a nitrogen With one lone pair Single bonded to a carbon bonded to two hydrogen bonded to A CH three Group. Next we're going to have H two C double bonded to carbon bonded to hydrogen bonded to nitrogen bonded to hydrogen And our nitrogen bonded to a CH three group. And our first structure is going to have the larger bond angle and that is our final answer. Thank you for watching. Bye.

Ch.10 - Chemical Bonding II: Molecular Shapes & Valence Bond Theory

All textbooks

Tro 4th Edition

Ch.10 - Chemical Bonding II: Molecular Shapes & Valence Bond Theory

Problem 96

Chapter 10, Problem 96

Draw the structures of two compounds that have the composition CH₃NO₂ and have all three H atoms bonded to the C. Predict which compound has the larger ONO bond angle.

Verified step by step guidance

insert step 1: Identify the possible structures for the compound CH3NO2 where all three hydrogen atoms are bonded to the carbon atom.

insert step 2: Consider the possible arrangements of the NO2 group. The NO2 group can be arranged as a nitro group (-NO2) or as a nitrite group (-ONO).

insert step 3: Draw the structure for the nitromethane (CH3NO2) where the NO2 group is attached to the carbon atom with a nitrogen-oxygen double bond and a nitrogen-oxygen single bond.

insert step 4: Draw the structure for the aci-nitromethane (CH3ONO) where the ONO group is attached to the carbon atom with an oxygen-nitrogen single bond and an oxygen-nitrogen double bond.

insert step 5: Predict the bond angles: The nitro group in nitromethane is expected to have a larger ONO bond angle due to resonance and the planar nature of the nitro group, compared to the bent structure of the nitrite group in aci-nitromethane.

Verified video answer for a similar problem:

This video solution was recommended by our tutors as helpful for the problem above.

Video duration:

Was this helpful?

Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Molecular Structure

Molecular structure refers to the three-dimensional arrangement of atoms within a molecule. For the compound CH3NO2, understanding how the atoms are connected and the spatial orientation of the bonds is crucial. The arrangement affects properties such as bond angles and reactivity, which are essential for predicting the behavior of the molecule.

Bond Angles

Bond angles are the angles formed between two bonds that share a common atom. In the context of CH3NO2, the ONO bond angle is influenced by the hybridization of the nitrogen atom and the presence of lone pairs. The geometry around nitrogen will determine whether the bond angle is larger or smaller, impacting the overall shape of the molecule.

Resonance Structures

Resonance structures are different ways of drawing a molecule that represent the same arrangement of atoms but differ in the distribution of electrons. For CH3NO2, resonance can affect the stability and bond angles of the molecule. Understanding resonance helps predict which structure is more favorable and how it influences the ONO bond angle.