Recent questions and answers in Oxidation & Reduction

In which of the following acid, which acid has oxidation reduction and complex formation properties

answered Oct 4, 2018 by meena.p

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When P reacts with caustic soda, the products are $PH_3$ and $NaH_2PO_2$. This reaction is an example of

answered Oct 4, 2018 by meena.p

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Excess of KI reacts with $CuSo_4$ solution and then $Na_2S_2O_3$ solution is added to it. Which of the statements is incorrect for this reaction ?

answered Oct 4, 2018 by meena.p

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When $Cl_2$ gas reacts with hot and concentrated sodium hydroxide solution, the oxidation number of chlorine changes from

answered Oct 4, 2018 by meena.p

1 answer

Calculate the volume of $0.01\;M\;KMnO_4$ solution required in acidic medium for complete oxidation of 100 ml of ferrous Solution whose strength is $3.6\;gL^{-1}$

answered Oct 4, 2018 by meena.p

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Excess of KI reacts with $CuSo_4$ solution and then $Na_2S_2O_3$ solution is added to it. Which of the statements is incorrect for this reaction ?

answered Oct 4, 2018 by meena.p

1 answer

The conversion of $PbO_2$ to $Pb(NO_3)_2$ is

answered Oct 4, 2018 by meena.p

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Burning of lime to give calcium oxide and carbon dioxide is

answered Oct 3, 2018 by meena.p

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In the decomposition reaction of a hydrogen peroxide solution : $2H_2O_2 (aq) \to 2H_2O(l) +O_2(g)$

answered Oct 3, 2018 by meena.p

1 answer

In the combustion reaction between butane $(C_4H_{10})$ and oxygen , the oxidation state of carbon goes from

answered Oct 3, 2018 by meena.p

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Which of the following statement is NOT true ?

answered Oct 3, 2018 by meena.p

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of the following , the element that does NOT react with hydrochloric acid to produce hydrogen gas is

answered Oct 3, 2018 by meena.p

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When elemental bromine $(Br_2)$ reacts with a solution of sodium iodide (Nal)

answered Oct 3, 2018 by meena.p

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Reduction agents are substances that

answered Oct 3, 2018 by meena.p

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Which of the following is true ?

answered Oct 3, 2018 by meena.p

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The reaction type that could possibily be viewed as a redox reaction in which only one substance is present in the reactants.

answered Oct 3, 2018 by meena.p

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The reaction type that does not generally involved the transfer of electrons and is not viewed as a redox reaction .

answered Sep 27, 2018 by meena.p

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The reaction type that can be viewed as redox often involving hydrocarbon fules and oxygen releasing heat and light .

answered Sep 27, 2018 by meena.p

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The reaction type that can be viewed as redox often involving hydrocarbon fueld and oxygen releasing heat and light

answered Sep 27, 2018 by meena.p

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The conversion of $PbO_2$ to $Pb(NO_3)_2$ is

answered Jun 29, 2018 by meena.p

1 answer

How many electrons are involved in oxidation by $KMnO_4$ in basic medium

answered Jun 29, 2018 by meena.p

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For $H_3PO_3$ and $H_3PO_4$ the correct choice is

answered Jun 29, 2018 by meena.p

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$H_2S$ acts only as a reducing agent while $SO_2$ can act both as a reducing and oxidizing agent because

answered Jun 29, 2018 by meena.p

1 answer

In a aqueous solution , hydrogen will not reduce

answered Jun 29, 2018 by meena.p

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When $Cl_2$ gas reacts with hot and concentrated sodium hydroxide solution, the oxidation number of chlorine changes from

answered Jun 29, 2018 by meena.p

1 answer

In which of the following compounds, nitrogen exhibits highest oxidation state ?

answered Jun 29, 2018 by meena.p

1 answer