Metallic tin in the presence of HCl is oxidised by K_(2)Cr_(2)O_(7) solution to stannic chloride. What volume of decinormal dichromate solution would be reduced by 1 g of Sn ?

Metallic tin in the presence of HCl is oxidised by K_(2)Cr_(2)O_(7) so

1.	Metallic tin in the presence of HCl is oxidised by K_(2)Cr_(2)O_(7) solution to stannic chloride. What volume of decinormal dichromate solution would be reduced by 1 g of Sn ?
Answer» Solution :`underset(3xx118.7 g)(3SN)+underset(2xx294 g)(2K_(2)Cr_(2)O_(7))+28 HCl to 3SnCl_(4)+4KCl+4CrCl_(3)+14H_(2)O` `K_(2)Cr_(2)O_(7)` required for 1 g of Sn`=(2xx294)/(3xx118.7)=1.65 g`