Skip to content
Back to quiz
6. What type of reaction is benzene to phenylketones?
- Oxidation
- Nitration
- Acylation
- Reduction
7. Which of these is NOT a method of reducing a nitrile?
- Sn catalyst, with conc hydrochloric acid followed by sodium hydroxide
- Lithium aluminium hydride in dry ether, followed by dilute acid
- Nickel catalyst, hydrogen gas
8. What do anti bumping granules do?
- Prevent formation of large bubbles
- Prevent temperature from getting too high
- Prevent build up of pressure
- Remove impurities from reaction mixture
9. Which of these is NOT a polyamide?
- Terylene
- Kevlar
- Nylon 6,6
10. Conditions for reverse reaction: ester and water to carboxylic acid and alcohol?
- Sodium hydroxide, warm
- Reflux
- Conc sulfuric acid
- Heat, suluric acid catalyst
11. How can you convert aldehydes and ketones back to alcohols?
- Reduce them with sodium tetrahydridaborate(III) dissolved in water and methanol
- Reduce them with lithium aluminium hydride dissovlved in aqueous sodium hydroxide solution
- Oxidise them with acidified potassium dichromate
- Oxidise them with lithium aluminium hydride, dissolve in aqueous sodium hydroxide solution
12. Which chemical turns amino acids purple?
- Ninhydrin
- Phenylphthalein
- Sodium tertahydridaborate(III)
- Tetramethylamine
13. Which of these reactions is NOT carried out under reflux?
- Electrophillic addition: alkene to alcohol
- Nucleophilic substitution, halogenoalkanes to alcohols
- Ester to carboxylic acid
- Aldehydes oxidised to carboxylic acids
- Nucleophilic substitution, halogenoalkanes to amines
- Nucleophilic substitution, halogenoalkanes to nitriles
14. What is potassium cyanide?
- Corrosive
- An irritant
- Toxic gas
- Very powerful oxidising agent
15. In a separating funnel which layer is usually on top?
- Emulsion
- Aqueous
- Organic
- Inorganic
16. Making Tollens reagent: what is there to observe after first 2 solutions have been added?
- White ppt
- Brown ppt
- Red ppt
- Emulsion
17. Dehydration of alcohols is an example of?
- Nucleophilic substitution
- Nucleophilic elimination
- Elimination reaction
- Electrophilic addition
18. A polar solute will have a lower Rf value is the stationary phase is...?
19. Which of these is NOT a condition for fermentation of glucose?
- Ethanolic
- Anaerobic conditions
- Yeast enzymes
- 30-40°C
20. Making Tollens reagent: which order are 1. Sodium hydroxide, 2. Ammonia and 3. Silver nitrate added in?
- 2, 3, 1
- 3, 2, 1
- 1, 3, 2
- 3,1,2
- 2,1,3