3. Predict the products of the following reaction, then write the balanced molec

Question

3. Predict the products of the following reaction, then write the balanced molecular, total ionic and net ionic reactions. 3a. Classify the reaction as: redox, acid-base, precipitation, double replacement, single replacement, or combustion. 3b. Label all acids, bases, reducing agents, oxidizing agents and precipitates in the reaction. 3c. What is the oxidation number of the fluorine atom in the first substance? 4. Predict the products of the following reaction, then write the balanced molecular, total ionic and net ionic reactions. 4a. Classify the reaction as: redox, acid-base, precipitation, double replacement, single replacement, or combustion. 5ing1& replacemen 4b. Label all acids, bases, reducing agents, oxidizing agents and precipitates in the reaction 4c. What is the oxidation number of the chlorine in hydrochloric acid? 1 cl

Explanation / Answer

3

F2 + KI -----------> KF + IF

oxidation states 0 (+1, -1)    (+1, -1)    (+1, -1)

F2 -----------> F- + F-

KI -----------> K+ + I+

Total :  F2 + KI -----------> KF + IF

3a. it is an example of single  displacement reaction.

3b. KI - reducing agent - oxidation state of I, changd from -1 to +1.

F2 - oxidizing agent - oxidation state of F, changd from 0 to -1

3c. oxidation state of F in F2 is zero.

4

K2S + 2 HCl ----> 2 KCl + H2S

oxidation states (2*+1, -2) (+1, -1)    (+1, -1)    (2*+1, -2)

K2S ----> 2 K+ + S-2

2 HCl ----> 2 Cl- + 2H+

a. it is an example of double displacement reaction.

3b. K2S - Salt

HCl- Acid  

H2S - Acid

KCl - salt

3c. oxidation state of Chloride in HCl is (-1).

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