मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Which of the following is isoelectronic pair?

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प्रश्न

Which of the following is isoelectronic pair?

पर्याय

  • \[\ce{ICI2, ClO2}\]

  • \[\ce{BrO^{-}_{2}, BrF^{+}_{2}}\]

  • \[\ce{ClO2, BrF}\]

  • \[\ce{CN^{-}, O3}\]

MCQ
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उत्तर

\[\ce{BrO^{-}_{2}, BrF^{+}_{2}}\]

Explanation:

\[\ce{BrO^{-}_{2}}\] (35 + 2 × 8 + 1 = 52)

And 

\[\ce{BrF^{+}_{2}}\] (35 + 2 × 9 – 1 = 52)

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पाठ 7: The p-block Elements - Multiple Choice Questions (Type - I) [पृष्ठ ९४]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
पाठ 7 The p-block Elements
Multiple Choice Questions (Type - I) | Q 27 | पृष्ठ ९४

संबंधित प्रश्‍न

Fluorine is a stronger oxidising agent than chlorine. Why?


Write two uses of ClO2.


Write the reactions of F2 with water.


With what neutral molecule is ClO isoelectronic? Is that molecule a Lewis base?


Arrange the following in the order of property indicated for the given set:

HF, HCl, HBr, HI - increasing acid strength.


Complete chemical reactions are:Cl2 + H2O →


Complete the following equations:

 KMnO4 

 


Select the correct alternative from the choices given :
The correct order of increasing acidic strength of the oxoacids of chlorine is: 


 Cl2 acts as a bleaching agent. 


Tincture of iodine is ____________.


Which one has the lowest boiling point?


Which is the strongest acid in the following:


Which of the following pairs of ions are isoelectronic and isostructural?


In solid state \[\ce{PCl5}\] is a ______.


Reduction potentials of some ions are given below. Arrange them in decreasing order of oxidising power.

Ion \[\ce{CIO^{-}_{4}}\] \[\ce{IO^{-}_{4}}\] \[\ce{BrO^{-}_{4}}\]
Reduction
potential EΘ/V
EΘ = 1.19 V EΘ = 1.65V EΘ = 1.74 V

Solubility of iodine in water may be increase by adding


Statement I: Acid strength increases in the order given as HF << HCl << HBr << HI.

Statement II: As the size of the elements F, Cl, Br, and I increase down the group, the bond strength of HF, HCl, HBr, and HI decreases and so the acid strength increases.

In the light of the above statements, choose the correct answer from the options given below.


Give a reason for the following:

Mn+2 compounds are more stable than Fe+2 compounds.


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