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2 years ago

What is meant by Redox reaction ?

Chemistry

1 answer:

melomori [17]2 years ago

4 0

Answer:

The chemical reactions in which oxidation and reduction takes place are called redox reaction.

Explanation:

CH4. + O2----> CO2. + H2O

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1.5a

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3 years ago

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2 years ago

If 14.5 g of MnO4- (permanganate) react with manganese (II) hydroxide how many grams of manganese (IV) oxide will be produced? T

Veronika [31]

Answer:

$m_{MnO_2}=21.2gMnO_2$

Explanation:

Hello,

In this case, given the balanced reaction:

$2MnO_4^-+2Mn(OH)_2\rightarrow 4MnO_2+2OH^-+H_2O$

We can see a 2:4 mole ration between permanganate ion (118.9 g/mol) and manganese (IV) oxide (86.9 g/mol), that is why the resulting mas of this last one turns out:

$m_{MnO_2}=14.5gMnO_4^-*\frac{1molMnO_4^-}{118.9gMnO_4^-}*\frac{4MnO_2}{2molMnO_4^-} *\frac{86.9gMnO_2}{1molMnO_2} \\\\m_{MnO_2}=21.2gMnO_2$

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5 0

3 years ago

To balance the reaction what coefficients (numbers) are needed: HBr +KOH ---> KBr + H2O

Tom [10]

Answer:

H2Br + 2KOH ----- K2Br + 2H2O

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2 years ago

Is zn2+ a transition metal?

4vir4ik [10]

Answer:

Yes.

Explanation:

Zn2+ is the zinc ion in aqueous solution.

Zinc is a transition metal.

These metals are in the middle of the periodic table and have similar properties.

7 0

3 years ago

What is meant by Redox reaction ? ​

What is meant by Redox reaction ?