Which of these is least likely to act as Lewis base?
1. F
2. BF3
3. PF3
4. CO

Subtopic:  Acids & Bases - Definitions & Classification |
 74%
From NCERT
AIPMT - 2013
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which of the following molecular hydrides acts as a Lewis acid?

1. NH3

2. H2O

3. B2H6

4. CH4

Subtopic:  Acids & Bases - Definitions & Classification |
 83%
From NCERT
AIPMT - 2010
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

The tendency of BF3, BCl3 and BBr3 to behave as Lewis acid decreases in the sequence:

1. BCl3>BF3>BBr3

2. BBr3>BCl3>BF3

3. BBr3>BF3>BCl3

4. BF3>BCl3>BBr3

Subtopic:  Acids & Bases - Definitions & Classification |
 67%
From NCERT
AIPMT - 2010
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which of the following molecules acts as a Lewis acid?
1. (CH3)3B
2. (CH3)2O
3. (CH3)3P
4. (CH3)3N
Subtopic:  Acids & Bases - Definitions & Classification |
 85%
From NCERT
AIPMT - 2009
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

The ionic species that has the greatest proton affinity to form stable compound is:

1. HS-

2. NH2-

3. F-

4. l-

Subtopic:  Acids & Bases - Definitions & Classification |
From NCERT
AIPMT - 2007
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which one of the following orders correctly represents the increasing acid strengths of the given acids?

1. HOCl<HOClO<HOClO2<HOClO3

2. HOClO<HOCl<HOClO3<HOClO2

3. HOClO2<HOClO3<HOClO<HOCl

4. HOClO3<HOClO2<HOClO<HOCl

Subtopic:  Acids & Bases - Definitions & Classification |
 87%
From NCERT
AIPMT - 2007
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