1.

36.4 g of 1,1,2,2-tetrachoropropane was heated with zinc dust and the product was bubbled through ammoniacal AgNO_(3). What is the mass of precipitatee obtained? Give equation for the reaction involved.

Answer»

Solution :
Mass of PROPYNE obtained from 36.4 G of
1,1,2,2-tetrachloropropane `=40/182 xx 36.4 = 8`g
`CH_(3)-C=-CH+AgNO_(3)to CH_(3)-C=-C-Ag + NH_(4)NO_(3)+H_(2)O`
Mass of precipate obtained from 8g of propyne
`=147/40 xx 8 = 29.4` g


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