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6 xx 10^(-3) mole K2 Cr2 O7 reacts compl...

`6 xx 10^(-3)` mole `K_2 Cr_2 O_7` reacts completely with `9 xx 10^(-3)` mole `X^(n+)` to given `XO_3^- and Cr^(3+)`. The value of `n` is :

A

1

B

2

C

3

D

none of these

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The correct Answer is:
A
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NARENDRA AWASTHI-STOICHIOMETRY-Level 1 (Q.121 To Q.150)
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  3. In which of the following reaction, H(2)O(2) is acting as a reducing a...

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  4. Following reaction describes the rusting of iron 4Fe+3O(2)rarr4Fe^(3+)...

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  5. Which of the following reactions does not represent the aldol condensa...

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  6. Which of the following is redox reaction

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  7. Which of the following is redox reaction

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  8. Balance the following chemcial reaction. MnO(4)^(-)+SO(3)^(2-)+H^(+)...

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  9. In the chemical reaction, K(2)Cr(2)O(7)+xH(2)SO(4)+ySO(2)rarrK(2)SO(...

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  10. In SOCl(2) and SO(2)Cl(2)

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  11. Balance the followings equations and choose the quantity which is the ...

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  12. If 0.1 mole H(3)PO(x) is completely neutralised by 5.6g KOH then selec...

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  13. When potassium permanganate is titrated against ferrous ammonium sulph...

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  14. Equivalent mass of FeS2 in the half reaction, FeS2 + O2 rarr Fe2 O3+SO...

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  15. The equaivalent mass of HCl in the given reaction is : K2Cr2O7 + 14HCl...

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  16. Equivalent weight of H(3)PO(2) when it disproportionates into PH(3) an...

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  17. The equivalent weights of oxidising and reducing agents can be calcula...

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  18. Sulphur forms the chlorides S2Cl2 and SCl2. The equivalent mass of sul...

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  19. The equivalent mass of an element is 4. Its chloride has vapour densit...

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  20. 6 xx 10^(-3) mole K2 Cr2 O7 reacts completely with 9 xx 10^(-3) mole X...

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