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Balance the following equations by oxida...

Balance the following equations by oxidation number method :
(i) `MnO_(4)^(-) + H_(2)S rarr Mn^(2+) + S + H_(2)O` (in acidic medium)
(ii) `CuO + NH_(3) rarr Cu + N_(2) + H_(2)O`

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(i) `5H_(2)S + 2MnO_(4) + 6H^(+) rarr 5S + 2Mn^(2+) + 8H_(2)O` (in acidic medium)
(ii) `3CuO + 2NH_(3) rarr 3Cu + N_(2)+ 3H_(2)O`
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OMEGA PUBLICATION-REDOX REACTIONS -MULTIPLE CHOICE QUESTIONS (MCQs)
  1. Balance the following equations by oxidation number method : (i) MnO...

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  2. Electrolysis involves oxidation and reduction respectively at

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  3. The cathode in a galvanic cell and electrolytic cell is

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  4. In a galvanic cell,

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  5. K, Ca and Li metals may be arranged in the decreasing order of their s...

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  6. The standard reduction potential of three metallic cations X, Y and Z ...

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  7. Arrange the following in the decreasing order of their acidic strength...

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  8. Calculate the oxidation number of P in phosphate ion.

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  9. Calculate the oxidation number of P in H3PO3

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  10. Calculate the oxidation number of C in C2H6

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  11. How many orbitals are present in f subshell.

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  12. Galvanised iron sheets are coated with: C, Cu, Zn, Ni.

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  13. According to classical concept, oxidation is a process of

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  14. According to electronic concept, oxidation involves

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  15. Write down the values of azimuthal quantum number possible for electro...

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  16. How many orbitals are present in p subshell .

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  17. How many orbitals are present in s subshell.

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  18. In case of oxidation, there is

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  19. Calculate mass of 2.7moles of C(12)H(22)O(11) (molar mass = 342 g/ mol...

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  20. The most common oxidation state of an element is -2. The number of ele...

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  21. In the conversion of K(2)Cr(2)O(7) "to K"(2)CrO(4), the oxidation numb...

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