A. These are the questions from today\'s experiment REAC 389: i. Consider Mg, Sn

Question

A. These are the questions from today's experiment REAC 389: i. Consider Mg, Sn, Ag and H. Arrange the metals and hydrogen in the order of increasing reactivity 2. Consider the following single replacement reaction between: Zn(s) AgNO (aq) Write the names of the products of the reaction. ii) Write a balanced the equation for the reaction: iii Write the total ionic equation for the reaction. iv) Write the net ionic equation for the reaction. B. The answer the following questions from REAC 422. 1. Consider the following balanced precipitation reaction BaCl2(aq) Na2SO4 (aq) BaSO4(s) 2 NaCl(aq) a. Write the complete ionic equation for this reaction. b. Mention the s ions of the reaction.

Explanation / Answer

(A)
(1) According to the standard electrode potentials: the increasing order of reacivity of the following is as,

Ag < Sn < Mg < H

(2)

(a) Zinc nitrate (Zn(NO3)2) and silver (Ag)

(b) Zn (s) + 2 AgNO3 (aq.) ---------> Zn(NO3)2 (aq.) + 2 Ag (s)

(c) Total ionic equation:

Zn (s) + 2 Ag+ (aq.) + 2 NO3- (aq.) -------> Zn2+ (aq.) + 2 NO3- (aq.) + 2 Ag (s)

(d) Net ionic equation:

Zn (s) + 2 Ag+ (aq.) -------------> Zn2+ (aq.) + 2 Ag (s)

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