Which of the folloeing has tetrahedral structure (a) CO3^2- (b) NH4^+ (c) K4[ Fe (CN)6 ] (d) none of these Which of the folloeing has tetrahedral structure (a) CO3^2- (b) NH4^+ (c) K4[ Fe (CN)6 ] (d) none of these December 7, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,