MEDIUM
MYP:4-5
IMPORTANT
Earn 100

Analyze the qualitative data collected and then explain with reasons why each reaction(combustion of Methanol, ethanol, propan-2-ol and butanol) is either complete or incomplete combustion.

Important Questions on Interaction

MEDIUM
MYP:4-5
IMPORTANT
MYP Chemistry A concept-based approach Years 4&5>Chapter 8 - Interaction>Experiment>Q 3
What is the composition of the substance that appeared on the test tube(that was put over the flame of burning alcohols)?
MEDIUM
MYP:4-5
IMPORTANT
MYP Chemistry A concept-based approach Years 4&5>Chapter 8 - Interaction>Experiment>Q 4
How does increasing the carbon-length of alcohols affect the type of combustion reaction that occurs?
MEDIUM
MYP:4-5
IMPORTANT
MYP Chemistry A concept-based approach Years 4&5>Chapter 8 - Interaction>Experiment>Q 5
Write balanced chemical equations for each combustion reaction(Methanol, ethanol, propan-2-ol and butanol). Base the products for each reaction on the conclusions you reached about the nature of the combustion reaction.
HARD
MYP:4-5
IMPORTANT
MYP Chemistry A concept-based approach Years 4&5>Chapter 8 - Interaction>Exercise 9>Q •
The reactivity series of metals can be used to predict the products of redox reactions. Why is gold and silver used to make jewellery?
MEDIUM
MYP:4-5
IMPORTANT
MYP Chemistry A concept-based approach Years 4&5>Chapter 8 - Interaction>Exercise 10>Q 1
Why does magnesium replace hydrogen when it reacts with hydrochloric acid?
EASY
MYP:4-5
IMPORTANT
MYP Chemistry A concept-based approach Years 4&5>Chapter 8 - Interaction>Exercise 10>Q 2
Would pure silver jewellery react with an acid?
EASY
MYP:4-5
IMPORTANT
MYP Chemistry A concept-based approach Years 4&5>Chapter 8 - Interaction>Exercise 10>Q 3
Predict how the reaction between lead and hydrochloric acid would compare to the reaction between magnesium and hydrochloric acid. Describe how your observations of the two reactions would differ.
MEDIUM
MYP:4-5
IMPORTANT
MYP Chemistry A concept-based approach Years 4&5>Chapter 8 - Interaction>Exercise 10>Q 4
Look back at the question earlier in the chapter about sacrificial anodes. What do you notice about their position in the reactivity series?