Applied Chemistry Practice by Virmani, O. P.; Narula, A. K.

By Virmani, O. P.; Narula, A. K.

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2. The two acid solutions must be exactly equinormal. 3. The temperature should be maintained constant throughout the course of the two determinations. 4 To determine the temperature coefficient of hydmlvsis of methyl acetate by acid anti to calculate the energy of activation of the reaction Reagents Required 1. Hydrochloric acid (N/2) 2. Sodium hydroxide solution (N/lO) 27 Chemical Equilibrium and Chemical Kinetics 3. PUTe methyl acetate 4. 15), a rise in tempera lure markedl y increases the rate of a reaction.

17. What is meant by the rale-detennining ;,lep'? 2). 18. What is meant by 19. Explain why fhne is a danger 20. Predict the obslrvatiollS when a few 0) crystals of KI and an equal amount of HgCl z cryst;lIs are placed in a Illortar

100 ml of a water sample required 10 ml ofN/50 MCI for neutralisation to methyl orllnge end-point. 2ml ofN/50 HCI for complete neutralisation. Calculate temporary hardness of the water sample (Hehner's method). 56. 100 ml of a hard water sample were taken in a 2S0-ml beaker and boiled to precipitate temporary hardness. 20 ml of an alkali mixture solution (NaOH + Na2C03), whose 10 ml required 8 Illi of N/lO HC) for neutralisation to methyl orange end-point, were then added.

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