Documents 56716063 Edexcel Chemistry Unit 4 Exams Questions

1.(a)When solid calcium nitrate is heated, brown fumes of nitrogen dioxide, NO 2 , are seen and the solid remaining after decomposition is calcium oxide. (i)Write a balanced…

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1. The kinetics of the hydrolysis of the halogenoalkane RCH2Cl with aqueous sodium hydroxide (where R is an alkyl group) was studied at 50 ºC. The following results were…

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1. The kinetics of the hydrolysis of the halogenoalkane RCH2Cl with aqueous sodium hydroxide (where R is an alkyl group) was studied at 50 ºC. The following results were…

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8 Areas outside the box will not be scanned for marking 3 Propanone and iodine react in acidic conditions according to the following equation. CH3COCH3 + I2 ICH2COCH3 + HI…