Reaction Mechanisms

Based on this reaction mechanism, which of the following are intermediates?

• A

• B

• C

• D

• E

Tags

NGSS.HS-PS1-3

NGSS.HS-PS1-5

What is the molecularity for step 1?

• Unimolecular

• Bimolecular

• Termolecular

What is the molecularity for step 2?

• Unimolecular

• Bimolecular

• Termolecular

• Tetramolecular

What is the overall equation for the reaction with these elementary steps?

• 2A + 2B + D -> 2B + 2C + D + E

• A -> 2B

• A + B -> C + D

• 2A -> 2C + E

Tags

NGSS.HS-PS1-5

If this is the correct mechanism for the reaction, which is the rate-limiting step?

• 1

• 2

• 3

Tags

NGSS.HS-PS1-5

What is the rate law for step 1 of this reaction?

• rate = k₁[A]

• rate = k₁[B]²

• rate = k₁[2B]/[A]

• rate = k₁[A]/[B]²

Tags

NGSS.HS-PS1-5

What is the overall rate law for this full reaction?

• rate = k₁[A]

• rate = k₁[B]²

• rate = k₁[2B]/[A]

• rate = k₁[A]/[B]²

Tags

NGSS.HS-PS1-5

What is the molecularity of step 1?

• Unimolecular

• Bimolecular

• Termolecular

What is the molecularity of step 2?

• Unimolecular

• Bimolecular

• Termolecular

Tags

NGSS.HS-PS1-7

What is the overall reaction equation?

• A -> B + C

• D + B -> 2E

• A + D -> C + 2E

• A + D + B -> B + C + 2E

Tags

NGSS.HS-PS1-7