H2O2 + 3 I- + 2 H+ I3- + 2 H2O Step 1. H2O2 + H+ H3O2+ Step 2. H3O2+ + I- H2O +
ID: 1018802 • Letter: H
Question
H2O2 + 3 I- + 2 H+ I3- + 2 H2O
Step 1. H2O2 + H+ H3O2+
Step 2. H3O2+ + I- H2O + HOI
Step 3. HOI + I- OH- + I2
Step 4. OH- + H+ H2O
Step 5. I2 + I- I3-
How many of the following statements are correct based on the information given? Select all that are Correct.
1) If step 1 were the rate determining step the order of the overall reaction would be second order
2) There are three different intermediates in this reaction
3) There are no catalysts in this reaction
4) The reaction is first order with respect to H2O2
Explanation / Answer
H2O2 + 3 I- + 2 H+ I3- + 2 H2O
Step 1. H2O2 + H+ H3O2+
Step 2. H3O2+ + I- H2O + HOI
Step 3. HOI + I- OH- + I2
Step 4. OH- + H+ H2O
Step 5. I2 + I- I3-
The intermediate:
An intermediate of a reaction is molecular form of a compound which is formed during the interaction of reactants to react with another reactant to create product. The intermediates disappear at the last of reaction.
Catalyst:
Catalyst is a substance which does not take part in reaction but provides a new or alternative path with low activation energy for reactants.
How many of the following statements are correct based on the information given? Select all that are Correct.
1) If step 1 were the rate determining step the order of the overall reaction would be second order
2) There are three different intermediates in this reaction
3) There are no catalysts in this reaction
4) The reaction is first order with respect to H2O2
Correct: If step 1 were the rate determining step the order of the overall reaction would be second order.
Correct : There are three different intermediates in this reaction
H3O2+
HOI
OH-
Correct :There are no catalysts in this reaction
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