1) What are the units of k here? k = Rate [A] [B] a) mol dm-3 s-1 b) s-1 c) mol-1 dm3 s-1 2) Which of the following is not a use for esters? a) Soap b) Solvent c) Flavouring 3) Which of these will be the strongest base? a) Ammonia b) Phenylamine c) Methyl amine 4) What is the catalyst used in the nitration of benzene? a) Nitric b) Aluminium chloride c) Sulfuric 5) What is produced if chloroethane is reacted with potassium cyanide (KCN)? a) propylamine b) propanenitrile c) ethanenitrile 6) Which is the only amino acid that is not optically active? a) Glycine (side chain = H) b) Alanine (side chain = CH3) c) Serine (side chain = CH2OH) 7) Pure water can have a pH that is not 7, but it isn't considered to be acidic or alkaline because... a) No H+ ions present b) [H+] = [OH-] c) Temp isn't 298K 8) Pick the property that doesn't affect distance travelled by the sample during chromatography? a) Mass b) Colour c) Charge 9) How many molecular ion peaks will there be in the mass spectrometer for dichloromethane CH2Cl2? a) 3 b) 2 c) 4 10) One of these is not a nucleophile... a) H2O b) NH3 c) CH3Cl 11) Aldehydes can be distinguished from ketones because if you warm them with Tollens you get... a) A silver mirror b) A red precipitate c) Yellow Crystals 12) Carboxylic acids cannot be distinguished from alcohols with... a) Brady's reagent b) Sodium carbonate c) Acidified Potassium dichromate 13) Which of these ions will be most stable? a) CH3CH(+)CH3 b) CH3+ c) CH3CO+ 14) If a peak in the proton NMR spectrum is a triplet what group could be next to the hydrogen causing the peak? a) CH b) CH3 c) CH2 15) How many peaks would this molecule have in carbon-13 NMR? CH3CH2COCH2CH3 a) 2 b) 3 c) 5 16) Which compound cannot made by nucleophilic addition-elimination? a) N-methyl propanamide b) Butanoic acid c) 2-hydroxy propane nitrile 17) What chemical is used to hydrolyse esters to make soap? a) H2O b) NaOH c) CH3OH 18) Which of the following polymers is not made by condensation polymerisation? a) polyethene b) kevlar c) nylon 19) One of these is NOT a use for nitrobenzenes... a) Dyes b) Biodiesel c) Explosives 20) Name the reducing agent used to convert aldehydes, ketones and carboxylic acids into alcohols... a) K2Cr2O7 b) Si(CH3)4 c) LiAlH4 d) XBoX360

chem 4 quiz 2

by Anonymous
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?