Laboratory 4 Iodine Clock Reaction Determination of the Rate of Reactions DATE:
ID: 534490 • Letter: L
Question
Laboratory 4 Iodine Clock Reaction Determination of the Rate of Reactions DATE: INSTRUCTOR: SECTION: Pre-Lab Questions urn in to your Instructor before the laboratory period starts 1. List of the CAS number and hazards associated with each of the following chemicals a. Potassium iodate, KIO, b. Sodium bisulfite, NaHSO 2. If the rate law for a reaction is rate klAlzLB] a. What is the overall order of the reaction? b. If the concentration of A is doubled and the concentration of B is tripled, how will this affect the rate of the reaction?Explanation / Answer
Ans 1.
a) KIO3 :
The CAS number of potassium iodate KIO3 is 7758-05-6.
The hazards associated with this chemical are many as it is a strong oxidiser . It can contact with the other materials and can fire . It may cause skin , eye , respiratory tract irritation and severe burns. It may also cause central nervous system and kidney damage.
b) NaHSO3 :
The CAS number of NaHSO3 is 7631-90-5.
Sodium bisulfite is also very hazardous when it comes in contact with skin or eye.
It may cause irritations in skin , and eye and also slightly hazardous when inhaled , so it is also a potent lung irritant.
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