1) Name the following Molecules CH3 Η مام Br Br H H&C Br Η

name the molecule！！（also indicate RR,SS,RS , Cis, Trans, Z, E.）

9. Consider the ethyl iodide molecule, CH CH₂, which of the statements below is correct? (A) CH, protons are more deshielded. (B) The energy gap between a and ß spin states of CH₂ protons is smaller than the counterpart of CH; protons. (C) The electronegative element I shields the CH₂ protons. (D) None of the above.

Which compound in each of the following pairs would you expect to have the greater dipole moment u? Why? (a) HF or HCI (b) HF or BF3 (c) (CH3); CH or (CH3)3CCI (d) CHCI3 or CCl;F (e) CH3 NH2 or CH3 OH (f) CH3 NH2 or CH3 NO2

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For each of the following species, determine (a) the electron geometry and (b) the hybridization for all nonhydrogen atoms. (i) C2H (v) CH;0* (ii) C2H5 (vi) C3H3 (all hydrogens are on the same carbon) (iii) CH2=0H+ (iv) CH&N*

(v) РСС CH3(CH,),CH,OH I CH,Cl2

Give a clear handwritten answer with explanation

what is the reasonance structure of this?

Determine a molecular formula, e.g. CH4, from the line structure below. Specify elements in the following order: C, H, others(in alphabetical order). Example: C,H; CIOS Molecular formula