Question

The iodide ion reacts with hypochlorite ion (the active ingredient in chlorine bleaches) in the following way:

OCl−+I−→OI−+Cl−

This rapid reaction gives the following rate data:

[OCl−] (M)	[I−] (M)	Initial Rate (M/s)
1.5×10−3	1.5×10−3	1.36×10−4
3.0×10−3	1.5×10−3	2.72×10−4
1.5×10−3	3.0×10−3	2.72×10−4

Calculate the rate constant with proper units.

Express the rate constant to two significant figures. Indicate the multiplication of units, as necessary, explicitly either with a multiplication dot or a dash (e.g. ft * lb or ft- lb).

Calculate the rate when [OCl−]=1.9×10−3 and [I−]=4.2×10−4.

Express the rate in molarity per second to two significant figures.

Answer 1