1 (a) Two reagents that can be used to prepare chlorine gas are manganese (IV) oxide...
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1 (a) Two reagents that can be used to prepare chlorine gas are manganese (IV) oxide and concentrated hydrochloric acid. Write an equation for the reaction. Give the formula of another reagent that can be reacted with concentrated hydrochloric acid to produce chlorine gas. (1 mark) (iii) Describe how the chlorine gas could be dried in the laboratory. (2 marks) (b) In an experiment, dry chlorine gas was reacted with aluminium as shown in figure 1. (i) (ii) (iv) Aluminium Combustion tube Dry chlorine gas Heat Calcium oxide Figure 1 (iii) 0.84 g of aluminium reacted completely with chlorine gas. Calculate volume of chlorine gas used' (Molar gas volume is 24dm³, Al = 27). Name substance A. (1 mark) Write an equation for the reaction that took place in the combustion tube. (1 mark) (1 mark) Give two reasons why calcium oxide is used in the set up. the (3 marks) (2 marks) 1 (a) Two reagents that can be used to prepare chlorine gas are manganese (IV) oxide and concentrated hydrochloric acid. Write an equation for the reaction. Give the formula of another reagent that can be reacted with concentrated hydrochloric acid to produce chlorine gas. (1 mark) (iii) Describe how the chlorine gas could be dried in the laboratory. (2 marks) (b) In an experiment, dry chlorine gas was reacted with aluminium as shown in figure 1. (i) (ii) (iv) Aluminium Combustion tube Dry chlorine gas Heat Calcium oxide Figure 1 (iii) 0.84 g of aluminium reacted completely with chlorine gas. Calculate volume of chlorine gas used' (Molar gas volume is 24dm³, Al = 27). Name substance A. (1 mark) Write an equation for the reaction that took place in the combustion tube. (1 mark) (1 mark) Give two reasons why calcium oxide is used in the set up. the (3 marks) (2 marks)
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a Two reagents that can be used to prepare chlorine gas are manganese IV oxide and concentrated HCL I Write the equation for the reaction taking place ... View the full answer
Related Book For
Chemistry The Central Science
ISBN: 978-0321696724
12th edition
Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward
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