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max2010maxim [7]
3 years ago
14

Which of the following chemical reaction are redox reactions: PCl3 + Cl2 ® PCl5 Cu + 2AgNO3 ® Cu(NO3)2 + 2Ag

Chemistry
1 answer:
zvonat [6]3 years ago
8 0

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When magnesium ion doesn't give any characteristics colour with the flame test as electronic transisitons do not give out visible light.
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Consider the following data for five hypothetical elements: Q, W, X, Y, and Z. Rank the elements from most reactive to least rea
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Y, Q, W, Z and X

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Explanation:

To know the most reactive element, the element will be able to displace other metal in it compound. We also have to observe if the reaction occur. If the reaction didn't occur, that means the element is not reactive than the metal found in the other reactant. Invariably their will be no displacement.

Q + w+ Reaction occurs

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Y is more reactive than Q as it displaces Q in it compounds.

Therefore, the most reactive to the least reactive is arrange as follows.

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Explain what would happen to the air temperature at Riverdale School over the course of the
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