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
AMINES: REACTIONS WITH NITROUS ACID
1.Nitrous acid is unstable and has to be produced in the same test tube as the reaction is happening in.
If you were wanted to test an amine with nitrous acid, how would you do it?2.Nitrous acid is used to distinguish between the various types of amine - primary, secondary or
tertiary. a) Describe what you would see if you carried out the test as you have described in Q1 with each of the three kinds of amine. b) One of the many products of the reaction involving a primary amine is an alcohol. Write an equation for the reaction of nitrous acid with ethylamine showing this reaction. c) Write the formula for the organic product of the reaction between the secondary amine dimethylamine and nitrous acid. Why would you have to take considerable care in carrying out this reaction? d) Write the formula for the final organic species (molecule or ion) if you reacted trimethylamine with nitrous acid. www.chemguide.co.ukquotesdbs_dbs21.pdfusesText_27[PDF] amine reactions practice problems
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