2) 3) 4) 5) 6) 7) e previous 12 roblem 6.86 H:O: State the number of valence ele

Question

2) 3) 4) 5) 6) 7) e previous 12 roblem 6.86 H:O: State the number of valence electrons, bonding pairs, and lone pairs on the central atom in each of the following electron-dot formulas Enter your answers numerically separated by commas. number of vaience electrons, bonding pairs, lone pairs Submit My Answers Give Up Part B H: N:H Enter your answers numerically separated by commas. number of valence electrons, bonding pairs, lone pairs- Submit My Answers Give Up Part C Br:O:Br: Enter your answers numerically separated by commas.

Explanation / Answer

1)

Part A ) H2O

Valence e-'s = 6

bonded pair e-'s = 2 (4 with 2 e-'s from 2H)

lone pair electrons = 4

Part B ) NH3

Valence e-'s = 5

bonded pair e-'s = 3 (6 with 3 e-'s from 3H)

lone pair electrons = 2

Part c ) OBr2

Valence e-'s = 6

bonded pair e-'s = 2 (4 with 2 e-'s from 2Br)

lone pair electrons = 4

2)

Part A ) H2

Valence e-'s = 1

bonded pair e-'s = 1 (2 with 1 electron from other H)

lone pair electrons = 0

Part B ) HBr

Valence e-'s = 7

bonded pair e-'s = 1 (2 with 1 e-'s from H)

lone pair electrons = 6

Part c ) Br2

Valence e-'s = 7

bonded pair e-'s = 1 (2 with 1 e- from second Br)

lone pair electrons = 6

Soln. 12.40 : Classification of vanillin

ether

aldehyde

phenol

aromatic

Part A ) BHA classification

Aromatic

Ether

Phenol

Soln. 12.34 : Frambione functional group

ketone

Phenol

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