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Q. No.
Given below are two statements: 
Assertion (A): When PCl5 is heated then PCl3 and Cl2 are obtained as products.
Reason (R): PCl5 gives POCl3 with water.
 
 
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 |
 78%
From NCERT
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Given below are two statements: 
 
Assertion (A): Bond angle in PH4+ is higher than that in PH3
Reason (R): Lone pair-bond pair repulsion is stronger in PH3 than bond pair-bond pair repulsion in PH4+ .

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 |
 80%
From NCERT
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Assertion (A):


On hydrolysis, PCl3 produces a dibasic oxyacid of phosphorous 
Reason (R): H3PO2  is a dibasic acid 
 
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 |
From NCERT
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Assertion (A): Nitrogen and Oxygen are the main components in the atmosphere but these do not react to form oxides of nitrogen.
Reason (R): The reaction between nitrogen and oxygen requires a high temperature.
 
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 |
 84%
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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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): 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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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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Given below are two statements: 

Assertion (A): HNO3 makes iron passive.
Reason (R): HNO3 forms a protective layer of ferric nitrate on the surface of the iron.

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 |
From NCERT
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Given below are two statements: 

Assertion (A): N2 is less reactive than P4.
Reason (R): Nitrogen has more electron gain enthalpy than phosphorus.


 

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 |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
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NEET 2023 - Target Batch - Aryan Raj Singh
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