Question

Identify which of the following are acid-base reactions. Select all that apply. Choose one or more: 0 A. HCOOH(aq) + NaOH(aq) + HCOONa(aq) + H2O O B. Hl(aq) + CH3NH2(aq) + CH3NH3 + (aq) + 1-(aq) O C. NaOH(aq) + HCIO4(aq) + NaClO4(aq) + H20(1) O D. 2 NaCl(aq) + Pb(NO3)2(aq) → PbCl2(s) + 2 NaNO3(aq) o E. Fe3+(aq) + 3 Ag(s) + 3Ag+(aq) + Fe(s)

Answer 1

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PAGE NO. PAGE NO. DATE D HCOOH lac) + NaOH- HCOo Na (94.) + H2OD yes it is 9 Acid base xeaction. Here HcooH is a weak acid and NaOH is a strong base. so basically, it is a strong Base - Weak acid titration. And also it is a acid-base reaction according to arrehenius concept : according to which salt and water will form - Acid + Base Salt & Water 2Na 1 (99.) + Pb(NO), (99) s pbcl. + ZNANO, Ca, - No, it is not an acid base reaction. because Here Nac! is a salt and Pb (No, ) is an inorganic compound so it is not an auato - base reaction. (El Fe (aq) +3 Agls) 3 Ay cag) & Fe(s) No it is also not an acid base reaction because is o is a reaction in which One me talion displace another metal from its aqueous solution. Her Fet3 ton displaces A to form fe metal so basically it is a displacement reaction not a acid - base reaction. (B) HI(99.) + CHENM 2 (99) —— CHM, (99.) + Ilag, Yes it is also a acid base reaction And it is a acid base reaction according to Bronsted - Lowry defination. According to the Bronsted-Lowry defination. - HA+B → BHT +A Where HA represents the Acid, 'Brepresents the Base BH+ Xepresents the conjugate base of HA. Here HI is acid CH₂ N H is base, CH₃NH₂ is conjugute acid and I is conjugate base. (c) Naot Coq.) + Holou (aq.) Naclo, (aa) + H2O (1) yes it is also a acid base reaction and it is a Neutralisation acid-base Xeaction. When strong acid and strong base & then Neutral salt will form and it is called Neutralisation acid base reaction.