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A compound contains 50% of X (atomic ma...

A compound contains `50% ` of X (atomic mass 10)and `50%` Y (atomic mass 20) . Give its molecular formula .

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Its simplest formula `=X_2Y`.
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SURA PUBLICATION-BASIC CONCEPTS OF CHEMISTRY AND CHEMICAL CALCULATIONS-REDOX REACTION ACTIVITY
  1. Calculate the equivalent mass of barium hydroxide.

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  2. Boric acid, H3BO3 is a mild antiseptic and is often used as an eye was...

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  3. (i) K(2)Cr(2)O(7)+KI+H(2)SO(4)to K(2)SO(4)+Cr(2)(SO4)3+I(2)+H(2)O.

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  4. (ii) KMnO(4)+Na(2)SO(3)to MnO(2)+Na(2)SO(4)+KOH (Alkaline medium).

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  5. (iii) K(2)Cr(2)O(7)+KCI+H(2)SO(4)to KHSO(4)+CrO(2)CI(2)+H(2)O.

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  6. Balance the following equations by oxidation number method (iii) Cu+...

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  7. (v) P+HNO(3) to H3PO4+NO2+H2O

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  8. (vi) P+5HNO(3) to H(3)PO(3)+5NO(2)+2H(2)O

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  9. (vii) H(2)C(2)O(4) +KMnO(4)+H(2)SO(4)to H(2)SO(4)+MnSO(3)+CO(2)+H(2)O.

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  10. (viii) CuO+NH3 to Cu+N2+H2O

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  11. (ix) Zn +HNO3 to Zn (NO3)2 +NH(4)NO3+H2O .

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  12. (i) MnO(4)^(-) +Sn^(2+)to Mn^(2+)+Sn^(4+)

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  13. (ii) C2O(4)^(2-)+Cr(2)O(7)^(2-) to Cr^(3+)+CO(2) .

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  14. (iii) S(2)O(3)^(2-)+I(2)to S(2)O(4)^(2-)+I^(-).

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  15. (iv) Sb^(3+) + MnO(4)^(-) to Sb^(5+)+Mn^(2+).

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  16. (v) MnO(4)^(2-) to MnO(4)^(2-)+MnO(2) .

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  17. (vi) MnO(4)^(-)+Fe^(2+)to Mn^(2+)+Fe^(3+).

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  18. (vii) S(2)O(3)^(2-)+I(2)to S(2)O(6)^(2-)+I^(-).

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  19. A compound contains 50% of X (atomic mass 10)and 50% Y (atomic mass 2...

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  20. Determine the empirical formula of a compound containing K=24.75%, Mn ...

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