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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
  • 1(current)
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Q. No.

The incorrect statement about PCl5 among the following is:

1. The hybridization of P in PCl5 is sp3d.
2. PCl5 decomposed and give PCl3 and Cl2.
3. All the five bonds in PCl5 molecule equivalent
4. PCl5 reacts with organic compounds containing –OH group converting them to chloro derivatives.




 

Subtopic:  Group 15 - Preparation, Properties & Uses |
 87%
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
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

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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NEET 2023 - Target Batch - Aryan Raj Singh
Hints
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NEET 2023 - Target Batch - Aryan Raj Singh

Given below are two statements: 

Assertion (A): H2S is less acidic than H2Te.
Reason (R): The bond (E–H) dissociation enthalpy decreases down the group in Group 16 hydrides.


The correct option is-

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 16 - Preparation, Properties & Uses |
 84%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

Given below are two statements: 

Assertion (A): Sulphur shows paramagnetic behaviour.
Reason (R): S2 does not contain unpaired electron.


 

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 16 - Preparation, Properties & Uses |
 70%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Consider the following reaction.

CaF2 + H2SO4 → C + D

SO3 + H2O →   B      


The products B, C and D respectively

1. B = H2SO3; C= CaSO4; D =HF
2. B = H2SO4; C= CaSO4; D =HOF
3. B = H2SO4; C= CaSO4; D =HF
4. B = H2SO3; C= CaSO4; D =HOF
Subtopic:  Group 16 - Preparation, Properties & Uses |
 72%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Halogens have maximum negative electron gain enthalpy in the respective periods of the periodic table because-

1. It has smallest size and high effective nuclear charge
2. It has the largest size in in the respective periods
3. It is a strong reducing agent
4. None of the above

Subtopic:  Group 17 - Preparation, Properties & Uses |
 90%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints
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NEET 2023 - Target Batch - Aryan Raj Singh

Given below are two statements: 

Assertion (A): Although electron gain enthalpy of fluorine is less negative as compared to chlorine, fluorine is a stronger oxidising agent than chlorine.
Reason (R): F2 has low enthalpy of dissociation and F– has high hydration enthalpy


The correct option is-

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 |
 78%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Given below are two statements: 

Assertion (A): Fluorine exhibits only –1 oxidation state whereas other halogens exhibit + 1, + 3, + 5 and + 7 oxidation states.
Reason (R): Other halogens have d orbitals and therefore, can expand their octets and show +1, +3, +5 and +7 oxidation states also.


 

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 |
 92%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

The incorrect statement among the following is-

1. Cl2 reaction with hot and concentrated NaOH produces NaCl andNaClO3.
2. Cl2 reaction with hot and concentrated NaOH produces NaCl and NaOCl.
3. It is an example of disproportionation reaction.
4. Chlorine from zero oxidation state is changed to –1 and +5 oxidation states.




  

Subtopic:  Group 17 - Preparation, Properties & Uses |
 80%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Select Chapter Topics:
filter
Group 15 - Preparation, Properties & Uses
Group 16 - Preparation, Properties & Uses
Group 17 - Preparation, Properties & Uses
Interhalogen Compounds
Group 18 - Preparation, Properties & Uses
  • 1(current)
  • 2
  • 3
Q. No.

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