The P-Block Elements CBSE Class 12 Chemistry MCQ Questions with Answer Keys

If you are preparing for CBSE Class 12 Board Exam Term 1 which will be an objective type questions paper, then you need to practice multiple choice questions of Class 12 Chemistry Chapterwise. In this article of AKVTutorials, you will get The p-Block Elements CBSE Class 12 Chemistry MCQ Questions with Answer Keys.

The P-Block Elements MCQ Questions for Class 12 Question No 11: 

Which of the following is isoelectronic pair ? 

Option A : ICl2 , ClO2

Option B : BrO,  BrF+2

Option C : ClO2, BrF

Option D : CN, O3

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Option B : BrO,  BrF+2

The P-Block Elements MCQ Questions for Class 12 Question No 12:   

Which of the following are not in accordance with the property mentioned against them ?

Option A : F2 > Cl2 > Br2 > IOxidizing power

Option B : MI > MBr > MCl > MF ionic character of metal halide

Option C : Cl2 > Br2 > F2 > I2 Bond dissociation enthalpy

Option D : HI > Hbr < HCl < HF Hydrogen-halogen bond strength

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Option B : MI > MBr > MCl > MF ionic character of metal halide

The P-Block Elements MCQ Questions for Class 12 Question No 13:   

Which of the following statement is not true for halogens ? 

Option A : All form of Monobasic Oxyacids

Option B : All are oxidizing agents

Option C : All but fluorine show positive oxidation states. 

Option D : Chlorine has the highest electron-gain enthalpy

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Option C : All but fluorine show positive oxidation states. 

The P-Block Elements MCQ Questions for Class 12 Question No 14:       

Which one of the following orders is correct for the bond dissociation enthalpy

Option A : BR2 > I2 > F2 > Cl2

Option B : F2 > Cl2 > Br2 > I2

Option C : I2 > Br2 > Cl2 > F2

Option D : Cl2 > Br2 > F2 > I2 

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Option D : Cl2 > Br2 > F2 > I2 

The P-Block Elements MCQ Questions for Class 12 Question No 15:      

The variation of the boiling points of the hydrogen halides is the order HF > HI > HBr > HCl. What explains the higher boiling point of hydrogen fluoride ?  

Option A : There is strong hydrogen bonding between HF molecules

Option B : The bond energy of HF molecules is greater than in other hydrogen

Option C : The effect of nuclear shielding is much reduced  influorine which polarises the HF molecule

Option D : The electronegativity of fluorine is much higher than for other elements in the group 

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Option A : There is strong hydrogen bonding between HF molecules

The P-Block Elements MCQ Questions for Class 12 Question No 16:         

Among the following which is the strongest oxidizing agent

Option A : Br2

Option B : I2

Option C : Cl2

Option D : F2

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Option D : F2

The P-Block Elements MCQ Questions for Class 12 Question No 17:     

Which of the following has the greatest electron affinity ?

Option A : I

Option B : Br

Option C : F

Option D : Cl

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Option D : Cl

The P-Block Elements MCQ Questions for Class 12 Question No 18:      

Aqueous solution of ammonia consists of –  

Option A : H+

Option B : OH

Option C : NH4

Option D : Nh+4  and OH

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Option D : Nh+4  and OH

The P-Block Elements MCQ Questions for Class 12 Question No 19:     

Which of the following oxides of nitrogen is paramagnetic 

Option A : NO2

Option B : N2O3

Option C : N2O

Option D : N2O5

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Option A : NO2

The P-Block Elements MCQ Questions for Class 12 Question No 20:      

Which of the following is a nitric acid anhydride ? 

Option A : NO

Option B : NO2

Option C : N2O5

Option D : N2O3

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Option C : N2O5

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