MCQ Questions for Class 12 Chemistry Chapter 7 The P-Block Elements 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 MCQ Questions for Class 12 Chapter 7 The p-Block Elements with Answer Keys.

MCQ Questions for Class 12 Chemistry Chapter 7 Question No 1: 

In which of the following compounds, nitrogen exhibits highest oxidation state

Option A : N2H4

Option B : NH3

Option C : N3H

Option D : NH2OH

Show/Hide Answer

Option C : N3H

MCQ Questions for Class 12 Chemistry Chapter 7 Question No 2:  

Nitrogen forms N2 but phosphorus does not form P2 however, it converts P4, the reason is

Option A : triple bond present between phosphorus atom

Option B : ρπ-ρπ bonding is weak

Option C : ρπ-ρπ bonding is strong

Option D : Multiple bonds form easily

Show/Hide Answer

Option B : ρπ-ρπ bonding is weak

MCQ Questions for Class 12 Chemistry Chapter 7 Question No 3:  

Which of the following oxides is most acidic ? 

Option A : As2O5

Option B : P2O5

Option C : N2O5

Option D : Sb2O5

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Option C : N2O5

MCQ Questions for Class 12 Chemistry Chapter 7 Question No 4:      

The basic characters of the V group elements decreases in the order.

Option A : NH3 > PH3  > AsH3 > SbH3

Option B :  SbH3 > AsH3 > PH3  > NH3

Option C : SbH3 > PH3 > AsH3 > NH3

Option D : NH> SbH> PH> AsH3

Show/Hide Answer

Option A : NH3 > PH3  > AsH3 > SbH3

MCQ Questions for Class 12 Chemistry Chapter 7 Question No 5:     

Which of the following fluorides does not exists ? 

Option A : NF5

Option B : PF5

Option C : AsF5

Option D : SbF5

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Option C : NF5

MCQ Questions for Class 12 Chemistry Chapter 7 Question No 6:        

Which one has the lowest boiling point ?

Option A : NH3

Option B : PH3 

Option C : AsH3

Option D : SbH3

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Option B : PH3 

MCQ Questions for Class 12 Chemistry Chapter 7 Question No 7:    

Nitrogen is relatively inactive because –

Option A : Its atom has a stable electronic configuration

Option B : It has low atomic radius

Option C : Its electronegativity is fairly high

Option D : dissociation energy of its molecule is fairly high

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Option D : dissociation energy of its molecule is fairly high

MCQ Questions for Class 12 Chemistry Chapter 7 Question No 8:     

Which of the following statement is not correct for nitrogen? 

Option A : Its electronegativity is very high

Option B : d-orbitals are available for bonding

Option C : It is a typical non-metal

Option D : Its molecular size is small

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Option B : d-orbitals are available for bonding

MCQ Questions for Class 12 Chemistry Chapter 7 Question No 9:    

Affinity for hydrogen decreases in the group from fluorine to iodine. Which of the Halogen acids should have the highest bond dissociation enthalpy?

Option A : HF

Option B : HCl

Option C : HBr

Option D : HI

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Option A : HF

MCQ Questions for Class 12 Chemistry Chapter 7 Question No 10:     

A black compound of manganese reacts with a halogen acid to give greenish yellow gas . When excess of this gas reacts with NH3 an unstable trihalide is formed. The change in O.S. of N will be – 

Option A : -3 to +3

Option B : -3 to 0

Option C : -3 to +5

Option D : 0 to -3

Show/Hide Answer

Option A : -3 to +3

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