Preparation and Properties of Chromyl Chloride

Preparation and Properties of Chromyl Chloride, a. Put a mixture of 1 g of sodium chloride with 1 g of potassium dichromate into a dry test tube, add a few drops of concentrated sulphuric acid, and close the tube with a stopper provided with a gas-discharge tube. Lower the other end of the latter into another dry test tube submerged in a beaker with cold water. Slightly heat the reaction mixture. What collects in the receiver Write the equations of the reactions. 

Pour two or three drops of the product into a beaker with water. What is observed Establish what ions are present in the solution. Write the equations of the reactions. What class of chemical compounds does chromyl chloride belong to  

Preparation of Potassium Ghlorochromate. Introduce 2 g of powdered potassium dichromate into 4 ml of a hot 25 % hydrochloric acid solution. Slightly heat the mixture. Write the equation of the reaction. What can happen if the mixture is heated for a long time  

Filter the solution on a funnel for hot filtration and let it stand up to your next lesson. Filter off the formed crystals on a glass filter. Pay attention to the shape of the crystals and compare them with potassium dichromate crystals. Dissolve a small part of the crystals in water and establish what ions are present in the solution. What properties does potassium chlorochromate exhibit What class of chemical compounds does it belong to  

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