In the mineral K 2 Fe 5 ( Si 4 O 11 ) 2 ( OH ) 2 .If number of iron atom exist in +2 are x and number of iron atom exist in +3 are y then find out the ratio y x

Question

In the mineral K 2 ​ Fe 5 ​ ( Si 4 ​ O 11 ​ ) 2 ​ ( OH ) 2 ​ .If number of iron atom exist in +2 are x and number of iron atom exist in +3 are y then find out the ratio y x ​

TestHub · Accepted Answer

Na 2 ​ Fe x + 2 ​ Fe y + 3 ​ [( Si 4 ​ O 11 ​ ) 2 ​ ] ( OH ) 2 ​ By charge balance: 2 + 2 x + 3 y + ( 4 × 4 − 22 ) × 2 − 2 = 0. … ( 1 ) x + y = 5. … ( 2 ) On solving 'x' and 'y': x = 3 , y = 2 So the ratio is 2 3 ​ = 1.5 .

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