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Group 15 - Preparation, Properties & Uses
Group 16 - Preparation, Properties & Uses
Group 17 - Preparation, Properties & Uses
Interhalogen Compounds
Group 18 - Preparation, Properties & Uses
Q. No.

Select the correct option based on statements below:
Assertion (A): The valency and oxidation number of sulphur in S8 respectively are 2 and 0.
Reason (R): S8 Rhombic is the most stable allotropic form of sulphur.
  
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.

Subtopic:  Group 16 - Preparation, Properties & Uses |
 70%
From NCERT
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Select the correct option based on statements below:
Assertion (A): Noble gases have the highest ionization energies in their respective periods.
Reason (R): The outermost sub-shell of noble gases in which the electron enters is completely filled.
    
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Group 18 - Preparation, Properties & Uses |
From NCERT
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Select the correct option based on statements below:
Assertion (A): The atomic size of F is smaller than that of Cl.
Reason (R): F-F bond is stronger than the Cl-Cl bond.
  
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. (A) is false but (R) is true.
Subtopic:  Group 17 - Preparation, Properties & Uses |
 65%
From NCERT
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Select the correct option based on statements below:
Assertion (A): PF5 and IF3 have similar shapes.
Reason (R): All the bond lengths are equal in PF5.
   
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Group 15 - Preparation, Properties & Uses |
 65%
From NCERT
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Select the correct option based on statements below:
Assertion (A): H2O is the only hydride of the chalcogen family that is liquid.
Reason (R): The acidic nature of hydrides of the chalcogen family increases down the group.
  
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Group 16 - Preparation, Properties & Uses |
 79%
From NCERT
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Match the interhalogen compounds of column I with the geometry in column II and assign the correct code: 

Column-I                 Column-II   

(A) XX’                    (i) T-shape 

(B) XX’3                  (ii) Pentagonal bipyramidal 

(C) XX’5                  (iii) Linear 

(D) XX’7                      (iv) Square Pyramidal 
 

 
1. A-(iii) B-(i) C-(iv) D-(ii)
2. A-(i) B-(iv) C-(iii) D-(ii)
3. A-(iv) B-(iii) C-(ii) D-(i)
4. A-(iii) B-(iv) C-(i) D-(ii)

Subtopic:  Interhalogen Compounds |
 90%
From NCERT
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In the light of the below statements, choose the correct answer from the options given below:
I: Acid strength increases in the order given as HF < HCl < HBr < HI.
II: As the size of the elements F, Cl, Br, I increases down the group, the bond strength of HF, HCI, HBr, and HI decreases and so the acid strength increases.
 
1. I is correct but II is false.
2. I is incorrect but II is true.
3. Both I and II are true.
4. Both I and II are false.
Subtopic:  Group 17 - Preparation, Properties & Uses |
 79%
From NCERT
NEET - 2021
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Given below are two statements: 

Assertion (A): NO2 dimerize to form N2O4
Reason (R): NO2 contains an odd number of valence electrons. On dimerization, a stable N2O4 molecule is formed with an even number of electrons.

 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. (A) is false but (R) is true.

 
 

Subtopic:  Group 15 - Preparation, Properties & Uses |
 92%
From NCERT
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Given below are two statements: 

Assertion (A): H3PO2 is a reducing agent. 
Reason (R): All oxyacids of phosphorus that have P-H bonds act as strong reducing agents. H3PO2 has two P-H bonds hence, it acts as a strong reducing agent.

1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. (A) is false but (R) is true.


 

Subtopic:  Group 15 - Preparation, Properties & Uses |
 87%
From NCERT
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Given below are two statements: 

Assertion (A): Elements of Group 16 generally show lower value of first ionisation enthalpy compared to the corresponding periods of group 15.
Reason (R): -Elements of Group 16 is more electronegative than elements of Group 15.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. (A) is false but (R) is true.

 
 

Subtopic:  Group 15 - Preparation, Properties & Uses |
 65%
From NCERT
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Select Chapter Topics:
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Group 15 - Preparation, Properties & Uses
Group 16 - Preparation, Properties & Uses
Group 17 - Preparation, Properties & Uses
Interhalogen Compounds
Group 18 - Preparation, Properties & Uses
Q. No.

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