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A-Level ChemistryYear 2016Q16

Page 06 16. Which of the following will react together to produce 2-ethoxypropane? A CH3CH2OH and CH3CH2COONa B CH3CH2ONa and CH3CH2CH2Br C CH3CH(OH)CH3 and CH3COONa D CH3CH2ONa and CH3CHBrCH3 17. Aldehydes can be converted into alcohols by the reaction shown R' C H O C R' H3C OH H (i) CH3MgBr (ii) H+ Which of the following aldehydes would produce a primary alcohol? A Methanal B Ethanal C Propanal D Butanal 18. CH3CHO + NH2NH2 ↓ CH3CH = NNH2 + H2O This reaction is an example of A hydration B hydrolysis C dehydration D condensation. 19. When but-1-ene reacts with hydrogen chloride, 1-chlorobutane and 2-chlorobutane are formed. According to Markovnikov’s rule A there will be more 2-chlorobutane than 1-chlorobutane B there will be more 1-chlorobutane than 2-chlorobutane C there will be equal proportions of both products D it is impossible to tell the relative proportion of each product.

Chemistry A-Level Diagram
Paper Source:NAH_Chemistry_all_2016.pdf

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Exam Specification Info

This question is part of the UK A-Level Chemistry syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.

Syllabus levelAdvanced Level (A-Level)
SubjectChemistry
Official MarksVariable (2–6 marks)