White phosphorus reacts with chlorine and the product hydrolyses in the presence of water. Calculate the mass of HCl obtained by the hydrolysis of the product formed by the reaction of 62 g of white phosphorus with chlorine in the presence of water
White phosphorus reacts with chlorine and the product hydrolyses in the presence of water. Calculate the mass of HCl obtained by the hydrolysis of the product formed by the reaction of 62 g of white phosphorus with chlorine in the presence of water
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1 Answer
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This is a short answer type question as classified in NCERT Exemplar
P4+6Cl2→4PCl3… (i)
PCl3+3H2O→H3PO3+3HCl ×4
On adding eq. (i) and (ii)
P4+6Cl2+12H2O→4H3PO3+12HCl
1 mol of white phosphorus produces 12 mol of HCl
62 g of white phosphorus has been taken which is equivalent to = mol. Therefore 6 molHCl will be formed.
Mass of 6 molHCl=6×36.5=219.0g HCl
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