Questio) (4 pts) Identify the most electronegative element in each of the follow

Question

Questio) (4 pts) Identify the most electronegative element in each of the following molecules. a) CH2FCI b) FCH CH CHBr c HOCH2CH2NH2 d) CHOCH2Li Question 2) (4 pts) Which of the following molecules has a dipole moment Indicate the expected direction of each OH (b) OH (c) HO OH (d) OH OH HO Question 3 (4 pts) Label the acid-base reactions below as Bronsted or Lewis acid-base reaction Label the acid, conjugate acid, base and conjugate base when appropriate a) CHOH NaH CHO Na b) CHy Question 4 (4 pts) Calculate the formal charges on the indicated atoms in each compound below Show your calculation! C. D. :CI:A a) The formal charge on phosphorous (A) is b) The formal charge on oxygen (B) is c The formal charge on carbon (C) is d) The formal charge on oxygen (D) is

Explanation / Answer

Qno1:- (a) has the highest electronegativitye because F ana Cl are present onothe same compoundcthereby increasing its electroneelectron.

Qno2:- (a) has dipole moment because its diolol momeny is not camcelled by any other atom , further its direction is from C towards OH.

Qno3:-:(a) It is a bronsted lowry acid base reaction. In whivh one molecule donates H+ while the other accepts H+. CH3OH is conjugate acid while as NaH is conjugate base.

(b) It is Lewis acid base reaction Because it forms covacova while one base donates electrons and the other acid accepts electron. CH3COOH Lewis acid and BH3 is lewis base

Qno4:-A= +1

B=-1

C= - 1

D= +1

It is calculated by fotmula

Valence electrons - non bonding elecrons- totaltbonds.

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