In which of the following beaker (I, II, III and IV) will coating on Zn be done? 1. I and III 2. II only 3. III and IV 4. IV only

Chemistry

In which of the following beaker (I, II, III and IV) will coating on Zn be done?
I and III
II only
III and IV
IV only

Chemical Reaction

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Answer

I and III

Reason — As zinc is more reactive than copper and iron so it displaces copper and iron from their solution. Hence, iron and copper will form coating on zinc due to displacement reaction.

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Chemistry

In which of the following beaker (I, II, III and IV) will coating on Zn be done?
I and III
II only
III and IV
IV only

Chemical Reaction

Answer

Related Questions

The pH values of four solutions A, B, C and D are given in the table.
Solution pH value
A 12
B 2
C 7
D 8
Which solution will liberate CO₂ when reacted with sodium carbonate?
A
B
C
D

Name the gas produced when ammonium sulphate is heated with sodium hydroxide solution.
Hydrogen chloride gas
Ammonia
Sulphuric acid
Chlorine

The vapour density of carbon dioxide (C = 12 and O = 16) is ……………
32
16
44
22

The volume occupied by 1 mole of gas at STP is ……………
2.42 L
2.24 L
2.44 L
22.4 L

Chemistry

In which of the following beaker (I, II, III and IV) will coating on Zn be done?I and IIIII onlyIII and IVIV only

Chemical Reaction

Answer

Related Questions

The pH values of four solutions A, B, C and D are given in the table.SolutionpH valueA12B2C7D8Which solution will liberate CO2 when reacted with sodium carbonate?ABCD

Name the gas produced when ammonium sulphate is heated with sodium hydroxide solution.Hydrogen chloride gasAmmoniaSulphuric acidChlorine

The vapour density of carbon dioxide (C = 12 and O = 16) is ……………32164422

The volume occupied by 1 mole of gas at STP is ……………2.42 L2.24 L2.44 L22.4 L

In which of the following beaker (I, II, III and IV) will coating on Zn be done?
I and III
II only
III and IV
IV only

The pH values of four solutions A, B, C and D are given in the table.
Solution pH value
A 12
B 2
C 7
D 8
Which solution will liberate CO₂ when reacted with sodium carbonate?
A
B
C
D

Name the gas produced when ammonium sulphate is heated with sodium hydroxide solution.
Hydrogen chloride gas
Ammonia
Sulphuric acid
Chlorine

The vapour density of carbon dioxide (C = 12 and O = 16) is ……………
32
16
44
22

The volume occupied by 1 mole of gas at STP is ……………
2.42 L
2.24 L
2.44 L
22.4 L