a) Fe(NO3)2+K2CO3--->FeCO3↓+2 KNO3
Fe2+ +2 NO3- +2 K+ +CO3 2- --->FeCO3↓ +2 K+ +2 NO3-
Fe2+ +CO3 2- --->FeCO3↓
b) NaCl+AgNO3--->AgCl↓+NaNO3
Na+ +Cl- +Ag+ +NO3- --->AgCl↓ +Na+ +NO3-
Cl- +Ag+ --->AgCl↓
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Verified answer
a) Fe(NO3)2+K2CO3--->FeCO3↓+2 KNO3
Fe2+ +2 NO3- +2 K+ +CO3 2- --->FeCO3↓ +2 K+ +2 NO3-
Fe2+ +CO3 2- --->FeCO3↓
b) NaCl+AgNO3--->AgCl↓+NaNO3
Na+ +Cl- +Ag+ +NO3- --->AgCl↓ +Na+ +NO3-
Cl- +Ag+ --->AgCl↓