A student heats a mixture of ethanol and acidified potassium dichromate(VI) using the apparatus shown below. (a) Name apparatus A. \_\_\_\_\_\_ (b) Name the organic product of the reaction. \_\_\_\_\_\_ (c) What is the colour of the mixture in the flask - before heating, \_\_\_\_\_\_ - after heating? \_\_\_\_\_\_

Chemistry 5070/41 — October/November 2014

Cambridge O-Level · Alternative to Practical · worked solutions for every part, with the mark scheme

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Topics Experimental Contexts · Analysis, Conclusions and Evaluation · Use of Techniques, Apparatus and Materials · Observations and Measurements · Qualitative Analysis · Planning Experiments and Investigations

Q13MUse of Techniques, Apparatus and MaterialsExperimental ContextsObservations and MeasurementsFree sample

A student heats a mixture of ethanol and acidified potassium dichromate(VI) using the apparatus shown below.

Fig. 1

(a)

Name apparatus A.

______

(b)

Name the organic product of the reaction.

______

(c)

What is the colour of the mixture in the flask

before heating, ______
after heating? ______

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10 more questions

Q2Experimental Contexts · Qualitative Analysis · Use of Techniques, Apparatus and Materials9M
Q3Use of Techniques, Apparatus and Materials · Experimental Contexts · Analysis, Conclusions and Evaluation6M
Q4Experimental Contexts1M
Q5Experimental Contexts1M
Q6Experimental Contexts1M
Q7Analysis, Conclusions and Evaluation1M
Q8Experimental Contexts · Analysis, Conclusions and Evaluation1M
Q9Experimental Contexts · Use of Techniques, Apparatus and Materials · Observations and Measurements · Analysis, Conclusions and Evaluation13M
Q10Qualitative Analysis · Experimental Contexts10M
Q11Analysis, Conclusions and Evaluation · Experimental Contexts · Planning Experiments and Investigations14M

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