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6 x 10-3 mole K2Cr2O7 reacts completely with 9 x 10-3 mole Xn+ to give and . The value of n is :
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By Expert Faculty of Sri Chaitanya
a
1
b
2
c
3
d
None of these
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Correct option is A
K2Cr2O7+Xn+⟶X5+O3−+Cr3+6x10-3 x 6 =(5 -n)x9 x10-3 n=1
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