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Q. No.
Assertion (A): O3 acts as a powerful oxidizing agent.
Reason (R): Ozone decomposes readily on heating to give a molecule of oxygen and nascent oxygen.
 
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 |
 86%
From NCERT
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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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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
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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NEET 2023 - Target Batch - Aryan Raj Singh
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Links
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NEET 2023 - Target Batch - Aryan Raj Singh
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 |
 78%
From NCERT
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Select the correct option based on statements below:
Assertion (A): SF6 cannot be hydrolysed but SF4 can be.
Reason (R): Six F-atoms in SF6 prevent the attack of H2O on sulphur atom of SF6
 
  
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
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Select the correct option based on statements below:
Assertion (A): Both rhombic and monoclinic sulphur exist as S8 but oxygen exists as O2.
Reason (R): Oxygen forms  pπ   -   pπ multiple bonds due to its small size and small bond length but  pπ   -   pπ bonding is not possible in 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 |
 71%
From NCERT
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Select the correct option based on statements below:
Assertion (A): HI cannot be prepared by the reaction of KI with concentrated H2SO4.
Reason (R): HI has the lowest H—X bond strength among halogen acids.
  
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 | Group 16 - Preparation, Properties & Uses |
 51%
From NCERT
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Given below are two statements:
Statement I: The boiling points of the following hydrides of group 16 elements increase in the order 
\(\mathrm{H}_{2} \mathrm{O}<\mathrm{H}_{2} \mathrm{~S}<\mathrm{H}_{2} \mathrm{Se}<\mathrm{H}_{2} \mathrm{Te} \)  
Statement II: The boiling points of these hydrides increase with the increase in molar mass.
In the light of the above statements, choose the most appropriate answer from the options given below:
1. I is incorrect but II is correct 
2. Both I and II are correct 
3. Both I and II are incorrect 
4. I is correct but II is incorrect
Subtopic:  Group 16 - Preparation, Properties & Uses |
From NCERT
NEET - 2022
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 The correct statement(s) among the following is -

a. Aqua-regia is prepared by mixing conc. \(HCl \)  and conc. \(HNO_3 \) in 3:1 (v/v) ratio
b. The yellow colour of aqua-regia is due to the presence of \(NOCl \) and \(Cl_2 \)
c. Reaction of gold with aqua-regia produces an anion having Au in +3 oxidation state. 
d. Reaction of gold with aqua-regia produces \(NO_2 \) in the absence of air

1. Only a and b are correct
2. Only c and d are correct.
3. a, b, and c are correct
4. a, b, c, and d are correct
Subtopic:  Group 16 - Preparation, Properties & Uses | Group 15 - Preparation, Properties & Uses |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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