Select the correct option based on statements below:
 
Assertion (A): ICI is more reactive than I₂.
Reason (R): I-Cl bond is weaker than I-I bond.
 
1. (A) is false but (R) is true.
2. Both (A) and (R) are true and (R) is the correct explanation of (A).
3. Both (A) and (R) are true but (R) is not the correct explanation of (A).
4. (A) is true but (R) is false.
Subtopic:  Group 17 - Preparation, Properties & Uses |
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Assertion(A): ICl is more reactive than I2 .
Reason(R): I−Cl bond in ICl is weaker than I−I bond in I2

1. Both assertion and reason are true and reason is the correct explanation of the assertion.

2. Both assertion and reason are true but reason is not the correct explanation of the assertion.

3. Assertion is true but reason is false.

4. Assertion is false but reason is true.
Subtopic:  Group 18 - Preparation, Properties & Uses |
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Assertion(A): O3 acts as a powerful oxidising agent.
Reason(R):  Ozone decomposes readily on heating to give a molecule of oxygen and nascent oxygen.

1. Both assertion and reason are true and reason is the correct explanation of the assertion.

2. Both assertion and reason are true but reason is not the correct explanation of the assertion.

3. Assertion is true but reason is false.

4. Assertion is false but reason is true.
Subtopic:  Group 16 - Preparation, Properties & Uses |
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Assertion(A): When PCl5 is heated then PCl3 and Cl2 are obtained as products.
Reason(R): PCl5 gives POCl3 with water.

1. Both assertion and reason are true and reason is the correct explanation of the assertion.
2. Both assertion and reason are true but reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Assertion is false but reason is true.
Subtopic:  Group 15 - Preparation, Properties & Uses |
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Assertion(A): Bond angle in PH4is higher than that in PH3
Reason: Lone pair-bond pair repulsion is stronger in PH3 than bond pair-bond pair repulsion in PH4+ .

1. Both assertion and reason are true and reason is the correct explanation of the assertion.

2. Both assertion and reason are true but reason is not the correct explanation of the assertion.

3. Assertion is true but reason is false.

4. Assertion is false but reason is true.
Subtopic:  Group 15 - Preparation, Properties & Uses |
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Assertion (A):


On hydrolysis, PCl3 produces a dibasic oxyacid of phosphorous 

Reason (R): H3PO 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 |
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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 |
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Assertion: The hydrolysis of XeF6 is a redox reaction.
Reason: The hydrolysis products of XeF6 are XeOF4 and XeO2F2 

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 and 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 18 - Preparation, Properties & Uses |
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Assertion(A): Noble gases have very low boiling points.
Reason(R): Noble gases being monoatomic have no interatomic forces except weak dispersion forces.

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 and 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 18 - Preparation, Properties & Uses |
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Assertion(A): The elements of Group 18 are known as noble gases.
Reason(R): Group 18 elements are highly reactive.

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 and 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 18 - Preparation, Properties & Uses |
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