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Redox Reactions...

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  • Question 1
    1 / -0

    Determine the oxidation number of underlined atoms in following :

    $$8K\underline{Cl}O_3 + 24HCl \rightarrow + 8K\underline {Cl}+ 12 H_2O + 9\underline{Cl}_2+ 6\underline{Cl}O_2$$

  • Question 2
    1 / -0

    The oxidation number of iodine in each of the following compounds, $$I{F}_{7}, I{F}_{5}, KI, {I}_{2}, ICI$$ and $$HI{O}_{4}$$ respectively, is :

  • Question 3
    1 / -0

    What is the oxidation number and valency of carbon in methanal $$\left(HCHO\right)$$?

  • Question 4
    1 / -0

    Assign oxidation numbers to the elements in the following ionic compounds.
    a.  $$NaBr$$           b.  $$MgO$$            c.  $$Al{F}_{3}$$

  • Question 5
    1 / -0

    Directions For Questions

    The valency of carbon is generally $$4$$ but its oxidation state may be $$-4,\: -2,\: 0,\: +2,\: -1$$ etc. In the compounds containing $$C,  H$$ and $$O$$, the oxidation number of $$C$$ is calculated as:
    Oxidation number of $$C = \displaystyle\frac { 2{ n }_{ O }-{ n }_{ H } }{ { n }_{ C } }$$
    where, $${ n }_{ O }, { n }_{ H }$$ and $${ n }_{ C }$$ are the number of oxygen, hydrogen and carbon atoms respectively.

    ...view full instructions

    The oxidation state of $$C$$ in diamond is :

  • Question 6
    1 / -0

    Which of the following statement is not correct?

  • Question 7
    1 / -0

    Calculate the oxidation number of the underlined elements.
    a.  $$\underline { P } { H }_{ 3 }$$                  b.  $$\underline { S } { O }_{ 2 }$$                 c.  $$H\underline { N } { O }_{ 3 }$$              d.  $${ H }_{ 3 }\underline { P } { O }_{ 4 }$$

  • Question 8
    1 / -0

    What is the oxidation number of $$Mg$$ and $$N$$ in magnesium nitride?

  • Question 9
    1 / -0

    Calculate the oxidation number of the underlined elements in the following compounds.
    a.  $$K\underline { Mn } { O }_{ 4 }$$               b.  $$\underline { Cr } { O }_{ 2 }{ Cl }_{ 2 }$$             c.  $$Na\underline { I } { O }_{ 3 }$$

  • Question 10
    1 / -0

    The oxidation number of $$P$$ in $${ Na}_{4 }{ P }_{ 2 }{ O }_{ 7 }$$ is:

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