Lawrie Ryan and Roger Norris Solutions for Chapter: Rates of Reaction, Exercise 8: Questions

Author:Lawrie Ryan & Roger Norris

Lawrie Ryan Chemistry Solutions for Exercise - Lawrie Ryan and Roger Norris Solutions for Chapter: Rates of Reaction, Exercise 8: Questions

Attempt the practice questions on Chapter 9: Rates of Reaction, Exercise 8: Questions with hints and solutions to strengthen your understanding. Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years) solutions are prepared by Experienced Embibe Experts.

Questions from Lawrie Ryan and Roger Norris Solutions for Chapter: Rates of Reaction, Exercise 8: Questions with Hints & Solutions

HARD
AS and A Level
IMPORTANT

Dilute hydrochloric acid reacts with marble chips (calcium carbonate) giving off carbon dioxide gas. Which solution of acid will have the fastest initial rate of reaction

A. 50 cm3 of 0.5 mol dm3

B. 10 cm3 of 1.0 mol dm3

C. 25 cm3 of 0.5 mol dm3

HARD
AS and A Level
IMPORTANT

Dilute hydrochloric acid reacts with marble chips (calcium carbonate) giving off carbon dioxide gas. Which solution of acid will have the fastest initial rate of reaction

A. 50 cm3 of 0.5 mol dm3

B. 10 cm3 of 1.0 mol dm3

C. 25 cm3 of 0.5 mol dm3

Why would B have the fastest initial rate of the reaction?

MEDIUM
AS and A Level
IMPORTANT

Which one of these explanations about the effect of increasing the concentration of the reactants on the rate of reaction is completely correct?