Question

DATE: b) Decomposition reaction is the opposite of combination reaction (True/ False) Formation of a precipitate, formation of a gas and formation of a weak electrolyte are all part of a Double displacement reaction. (True/ False) d) Fe (s) + 2HCl(aq) - FeCl + H2(g), is a Decomposition reaction. (True False) 32. Complete and balance the followings chemical reactions: a) Mg(s) + 02 - b) Cacos - c) CuSO. + Zn - d) AgNO, + NaCl- 33. Classify each of the following reactions into four general categories: Combination decomposition, single or double displacement. a) 3Fe (s) + 4H2O(g) + Fe Od (s) + 4H2() b) NH.NO: - Nale) + O2(g) + H20 (8) c) N (c) + 3H2(e) → 2NH3 () d) BaCl(aq) + K:50. (aq) - BaSO4(s) + 2KCI (aq) 34. Draw the following structures using the Lewis Dot system. Name the molecular geometry of each structure]

Answer 1

Here is the Solution:

De tompo sftfcn reatton fs the oppos ite reaction (b), combinaticn True reaction .combfnation Ccelrs when two or more subs tance are Combined to form a new substance Ex:- CO2 (a) Cac03 Ca0 (6) t In decomposition reacton sulostanie decompose Dne nto two or more substance, H2 (3)Cla 2HCI () Hene, the deiomposition reacten fs the opposfte f combinalfon reactfon (c) doub le repla (emeut reac+on In a a solid s) precipitate are for med a weak electvoly te amd due to the ex change anion and cation also formed . Hene, this i's are True Ex: Bacl Mg 50a BasOA (s) MaCl a Na HSC4 6)t Ha) (a9) Nac H2SO4 HCI (d). fe 2 HC Fe cl2 t false is not a deuomposition reacton . It is a single replacement reacton . Because Fe ombnes width c which form fecla

Thanks! :)