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answers AMINES: REACTIONS WITH NITROUS ACID - Chemguide

Chemguide – answers. AMINES: REACTIONS WITH NITROUS ACID. 1. Acidify the amine with dilute hydrochloric acid and then add sodium or potassium nitrite 



questions AMINES: REACTIONS WITH NITROUS ACID - Chemguide

Chemguide – questions. AMINES: REACTIONS WITH NITROUS ACID. 1. Nitrous acid is unstable and has to be produced in the same test tube as the reaction is 



questions AMINES: PREPARATION - Chemguide

a) To make a primary amine like ethylamine you can react a halogenoalkane like bromoethane with ammonia. State the conditions for this reaction. b) The 



questions ACYL CHLORIDES: REACTIONS WITH - Chemguide

Chemguide – questions. ACYL CHLORIDES: REACTIONS WITH AMMONIA AND PRIMARY. AMINES. 1. Draw structures for ethylamine and phenylamine and explain how these 



answers AMINES: PREPARATION - Chemguide

In the second reaction another ammonia molecule removes a hydrogen ion from the nitrogen in the salt to leave the free amine and produce the ammonium ions 



questions PHENYLAMINE: AS A PRIMARY AMINE - Chemguide

Phenylamine is a much weaker base than a primary amine like ethylamine or than ammonia. Explain why. 2. The flow diagram below shows some reactions of 



answers AMINES: AS NUCLEOPHILES - Chemguide

In the second reaction an equilibrium is set up involving a reaction between another ethylamine molecule which removes a hydrogen ion from the 



questions ACID ANHYDRIDES: REACTIONS WITH - Chemguide

Reactions of acid anhydrides with these compounds involve two stages. In the first there is a reaction between the anhydride and ammonia or the amine



questions HALOGENOALKANES: REACTIONS WITH - Chemguide

Halogenoalkanes react with ammonia to form amines which come in three kinds – primary Give the conditions for the reaction of bromoethane with ammonia.



questions AMINES: AS BASES - Chemguide

b) Explain why the compounds are acting as bases in these reactions with water. c) Describe what happens when ammonia gas and methylamine gas come into contact 

C h em g u id e - q u e s tio n s

ACID ANHYDRIDES: REACTIONS WITH AMMONIA AND PRIMARY

AMINES

1.Reactions of acid anhydrides with these compounds involve two stages. In the first, there is a

reaction between the anhydride and ammonia or the amine, and in the second there is a further reaction involving ammonia or the amine with one of the products of the first reaction. In each of the following cases, write the equation for (i) the reaction between the named compound and ethanoic anhydride, (ii) the second reaction involving one of the products, (iii) the overall reaction. You can use simplified structural formulae such as (CH3CO)2O and C6H5NH2 if you wish, but if you find it helps to use more detailed structures, then use them. Write equations as above for the reaction between ethanoic anhydride, (CH3CO)2O, and a) ammonia, NH3 b) methylamine, CH3NH2 c) phenylamine, C6H5NH2 www.chemguide.co.ukquotesdbs_dbs17.pdfusesText_23
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