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- Explain why certain molecules require more than one resonancestructure?Rank the following bonds in terms of their expected vibrational frequencies F-H, C-H, O-H, N-Hassuming the ionic character in H-Br bond is 11 % , calculate the fraction of contribution of ionic character to the valence bond wave function.
- A research student used a new software package to calibrate the electronic map using a material containing only gallium and bromine bonds, Ga and Br. On which atoms might you expect to see the highest electron density?5. In an IR spectrum, the x axis represents wavenumber of the light being absorbed by bond vibrations. The wavenumber is (B) directly proportional to the frequency. (A) directly proportional to the wavelength. (C) inversely proportional to the energy of the wave. (D) None of the above.The Infrared spectroscopic method solely can confirm the structure of a molecule. TRUE OR FALSE?
- What molecular structure does this have? Label the integration and the assignment.a.) Based on their ground state electron configurations alone, rank these molecule in order of bond dissociation energy from smallest to greatest:A = N2B = B2C = O2. b.) Based on their ground state electron configurations alone, rank these molecule in order of bond length from smallest to greatest:A = N2B = O2C = NOThe same student concluded by saying “Bond type can be calculated by subtracting the electronegativities of the elements involved in a chemical bond. Electronegativity differences below 1.7 are covalent bonds, and electronegativity differences 0.4 and below are non-polar covalent bonds and between 0.4 to 1.6 are considered by most to be polar covalent bonds.” Do you agree with this student? Justify your response.