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eimsori [14]
4 years ago
10

A double replacement reaction can be best described as a reaction in which

Chemistry
1 answer:
ExtremeBDS [4]4 years ago
3 0
<h3>Answer </h3>

Option C= ions are exchanged between two compounds.

<h3>Explanation </h3>

A double displacement reaction, also known as a double replacement reaction or metathesis, is a type of chemical reaction where two compounds react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products. For example,

                                    Na2S + 2HCl → H2S + 2NaCl

Option D is incorrect because electrons are exchanged between the atoms in oxidation –reduction reactions.


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Answer:

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3 years ago
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where,

k = rate constant  = 0.077s^{-1}

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Putting values in equation 1, we get:

0.077=\frac{2.303}{50.7}\log\frac{[A_o]}{0.0741}

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0.077=\frac{2.303}{t}\log\frac{3.67}{0.0055}\\\\t=84.5s

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