Arrange iron zinc and copper in their increasing reactivitya)Iron copper zincb)Zinc iron copperc)Copper iron zincd)None of theseCorrect answer is option 'C'. Can you explain this answer?

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Answer

'C'is the correct answer because according to the table of reactive series of metal copper comes 7th iron comes 8th and copper comes 11th

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Answer

The correct answer is option 'C', which states that the increasing reactivity order of iron, zinc, and copper is copper, iron, zinc. Let's understand why this order is correct.

Reactivity Series:
The reactivity series is a list of metals arranged in order of their reactivity towards chemical reactions. It helps us determine how easily a metal can lose electrons and form positive ions.

Factors Affecting Reactivity:
The reactivity of a metal depends on several factors, including its ability to lose electrons, the stability of its positive ion, and the ease of displacement reactions with other metals.

Increasing Reactivity Order:
Now, let's analyze the reactivity of iron, zinc, and copper individually to determine their relative positions in the reactivity series.

1. Copper (Cu):
Copper is a less reactive metal and is placed below iron and zinc in the reactivity series. It does not readily lose electrons to form positive ions. Copper is often referred to as a noble metal because it is resistant to corrosion and does not react easily with other substances.

2. Iron (Fe):
Iron is more reactive than copper but less reactive than zinc. It readily loses electrons to form positive ions. Iron can displace copper from its compounds in displacement reactions. Hence, iron is more reactive than copper but less reactive than zinc.

3. Zinc (Zn):
Zinc is the most reactive metal among iron, zinc, and copper. It readily loses electrons and forms positive ions. Zinc can displace both iron and copper from their compounds in displacement reactions. Therefore, zinc is more reactive than both iron and copper.

Conclusion:
Based on the above analysis, the correct order of increasing reactivity for iron, zinc, and copper is copper, iron, zinc. This means that copper is the least reactive, followed by iron, and zinc is the most reactive among the three metals.

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