Which of the following is most powerful oxidising agent? from Ch

Subject

Chemistry

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

21.

Oxidation number of Cr in K2Cr2O7 is

  • 2

  • 4

  • 6

  • 7


22.

Azeotropic mixture of HCl and water has:

  • 20.2% HCl

  • 22.2% HCl

  • 63% HCl

  • 84% HCl


23.

The IUPAC name of the following compound is

 

  • 2-ethylpentanol-4

  • 3-methylhexanol-3

  • 4-methylhexanol-2

  • 4-ethylpentanol-2


24.

Quartz is an example of

  • cyclic silicate

  • chain silicate

  • frame work silicate

  • sheet silicate


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25.

Which of the following is most powerful oxidising agent?

  • I2

  • Cl2

  • Br2

  • F2


D.

F2

Fluorine hydration energy is very high due to its small size. It has high positive electrode potential than chlorine. Hence, among halogens, F2 is strongest oxidising agent.


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26.

Deuterium oxide is used in nuclear reactor as

  • source of α-particle

  • source of deuteron

  • moderator

  • fuel


27.

Silicon is an important constituent of

  • alloys

  • vegetables

  • animals

  • rocks


28.

Fenton's reagent is

  • NaOH + FeSO4

  • H2O2 + FeSO4

  • H2O2 + ZnSO4

  • H2O2 + MgSO4


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29.

Strongest Bronsted base among the following anions is

  • ClO4-

  • ClO3-

  • ClO2-

  • ClO-


30.

Sodium pyrophosphate is represented by which of the following formula?

  • Na2P2O4

  • Na4P2O5

  • Na4P2O7

  • Na2P2O5


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