Name: Oklahoma College Division of Mathematics & Engineering General Chemistry I

Question

Name: Oklahoma College Division of Mathematics & Engineering General Chemistry ILaboratories Lab 6: Single Replacement Reaction Pre-Lab Questions 1. List the hazards to be expected in this lab. Copper at) sulfale is txic if ingested skinitritant Very e orrosve 2. Zinc (Zn) metal is more active than tin (Sn) metal. A. Would a reaction occur if a zinc sulfate solution and a tin sulfate solution were mixed? Briefly explain your choice. If you said yes, write a net ionic equation for the reaction. B. Would a reaction occur if a piece of metallic Sn was placed in distilled water with a piece of metallic Zn? Briefly explain your choice. If you said yes, write a net ionic equation for the reaction. Page 1 of 8

Explanation / Answer

Q2

a)

note that

activity of Zn > activity of Sn

meaning that zinc will react

if two solutions are given, there is no way they can form solid metals

since no electrons are availeble

that is

Zn2+ + Sn2+ = / Sn(s) + Zn4+

this is not possible

B)

not likely to occur

since Zn is much more reactive, but will remain in ionic state, since Tin is much more stable, i.e. Sn(s) remains solid

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