Question

2. Predict the electron pair geometry, molec following molecules by drawing the Lewis structure and us points). geometry, molecular shape, bond angle, and polarity of the ructure and using VSEPR theory (15 a. Chloramine, NH,CI b. Sulfur trioxide, SO: 3. Complete the following table (18 points): Name Formula Nickel(II) fluoride hexahydrate Potassium hydroxide Boron trihydride Iron(III) oxide ammonia Lead(II) sulfite Sodium bicarbonate Strontium chloride Copper(II) nitrate trihydrate NiF>.6 H.O КОН BH: Fe,O NH: PbSO, NaHCO, SICI: Cu(NO3)3 H20 Ionic, Covalent, Acid, Hydrate? Hydrate lonic Covalent Ionic Covalent lonic lonic lonic Hydrate 4. Identify the bond of greatest polarity in each of the following set of bonds (4 points): a. H-CI, H-O, H-Br b. O-F, O-P, O-AI c. H-CI, Br-Br, B-N d. Al-Cl, C-N, CI-F

Answer 1

a) chloramine NH₂ C1 a) HÑa. Chna) (pyremidal) (Polar) (40) hybridisatin sp3 b) oux X S=0 hybridisation sp2 shape band Trigonal planas 1200 nonpolor (Ju=0) (a) H-a, n-o n-BS order of brod polanty - Ho> H-a> ng Bordprlarity a ox Ax = eleeto nepadivila difference (6) Of> 0-A1 > 0-P (c) Ha>B-N BEBE (d) Al- a u-F > C-N a) PbCl₂ Cop)f kso 4 Cap PbSO4(s) + & ke cops. b) double displacement sections (c) plays 20g+ 2kfagt soq? -copy -> H ere are too) Tpb suges fak® cop) 200 24

(d) Net ionic equation Pbragt soq? - cap) P650q (5) 6 leca + 144 lena₂ (+ 12 Redox reaction ② balance equali celaces & Hoo chelzces of clcg) cola tha @ che 259 Sin a 259 n Ctzo) 119.5 z 0.209 0-352 0.143 0.209 0.206 Theoretical yield of cele 4 = 0°209 XISY 32.1869 (e) can cna, is limite reaget (which GI to yield = 240 x 100 = 26.grs consumer complet 294 Kab Sarai Sarvapriya Vihar, New Delhi-110016, Ph 46206000, 26569493, Fax 26513942