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কোন বিক্রিয়াটি সঠিক-

K_{2} C r_{2} O_{7} + 14 H C l + K I = 2 C r C l_{3} + 3 I_{2} + K C l + 7 H_{2} O

K_{2} C r_{2} O_{7} + 14 H C l + K I = 2 C r C l_{3} + 3 I_{2} + K C l_{2} + 7 H_{2} O

K_{2} C r_{2} O_{7} + 14 H C l + 6 K I = 2 C r C l_{3} + 3 I_{2} + 8 K C l + 7 H_{2} O

K_{2} C r_{2} O_{7} + 14 H C l + 6 K I = C r C l_{3} + I_{2} + 8 K C l + 7 H_{2} O

ANS : 3

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