Amines F324 F324 These are exam questions on Amines. 4.0 / 5 based on 2 ratings ? ChemistryAmines and azo dyesA2/A-levelOCR Created by: Laiba TanvirCreated on: 12-01-13 01:25 What is meant by term 1,4-diamino in the name? 2 amine groups, 1,4 their position on the ring 1 of 8 1,4-diaminobenzene can be manufactured from 1,4-dinitrobenzene. What type of reaction is this? Reduction 2 of 8 What does the symbol [H] in the equation represent? Reducing agent 3 of 8 Sodium hydroxide was added, the phenylammonium chloride was converted to phenylamine, write an equation for this reaction? C6H4NH3+Cl– + NaOH ---> C6H5NH2 + H2O +NaCl 4 of 8 What are the reagents and conditions required in stage 1 of making an azo dye? aromatic amine, NaNO3, H2SO4, <10°C 5 of 8 What is formed after stage 1 of preparation of azo dye? diazonium salt 6 of 8 What functional is responsible for azo dye? –N=N– 7 of 8 Which is a suitable reagent which will convert -OH group in E110 into an -O– group? NaOH or Na or OH– 8 of 8
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