4 But-2-enal, CH₂CH=CHCHO, is a pale yellow, flammable liquid with an irritating odour. (a) But-2-enal exists as two stereoisomers. Draw skeletal formulae to show the structure of the two stereoisomers of but-2-enal. (b) (i) Describe a simple chemical test that would show that but-2-enal is an aldehyde. (ii) Explain why this test gives a different result with aldehydes than it does with keton (c) But-2-enal also reacts with sodium borohydride, NaBH4. (i) Identify the organic compound formed in this reaction. (ii) State the type of chemical reaction occurring. (d) Precautions must be taken to prevent but-2-enal catching fire. Construct a balanced equation for the complete combustion of but-2-enal, C₂HO.

4 But-2-enal, CH₂CH=CHCHO, is a pale yellow, flammable liquid with an irritating odour. (a) But-2-enal exists as two stereoisomers. Draw skeletal formulae to show the structure of the two stereoisomers of but-2-enal. (b) (i) Describe a simple chemical test that would show that but-2-enal is an aldehyde. (ii) Explain why this test gives a different result with aldehydes than it does with keton (c) But-2-enal also reacts with sodium borohydride, NaBH4. (i) Identify the organic compound formed in this reaction. (ii) State the type of chemical reaction occurring. (d) Precautions must be taken to prevent but-2-enal catching fire. Construct a balanced equation for the complete combustion of but-2-enal, C₂HO.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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