Assertion (A):  The relative strength of acids can be determined by knowing the value of the dissociation constant.
Reason (R):  It provides the value of [H+] dissolved in the solution.
 
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) and (R) both are false
Subtopic:  Acids & Bases - Definitions & Classification |
 81%
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Given below are two statements: 

Assertion (A): The increasing order or acidity of hydrogen halides is HF<HCI<HBr<HI.
Reason (R): While comparing acids formed by the elements belonging to the same group of the periodic table, H-A bond strength is a more important factor in determining the acidity of an acid than the polar nature of the 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:  Acids & Bases - Definitions & Classification |
 82%
From NCERT
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Assertion: H- acts as both Bronsted Lowry base as well as Lewis base.

Reason: It acts as both H acceptor and a lone pair donor.

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

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

3. Assertion is a true statement but the reason is false.

4. Both assertion and reason are false statements.

Subtopic:  Acids & Bases - Definitions & Classification |
 72%
From NCERT
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Match the following species with the corresponding conjugate acid.

Species Conjugate acid
A.  NH3  1. CO32-
B. HCO3- 2. NH4+
C. H2O 3.H3O+
D. HSO4-  4. H2CO3
5. H2SO4

Codes

A B C D
1. 2 5 1 5
2. 2 4 3 5
3. 5 4 3 2
4. 4 5 3 2
Subtopic:  Acids & Bases - Definitions & Classification |
 94%
From NCERT
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