A Lewis base among the following is:

1. BF3 2. PF3
3. CF4 4. SiF4
Subtopic:  Acids & Bases - Definitions & Classification |
 64%
From NCERT
NEET - 2016
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The conjugate bases of Bronsted acids H2O and HF are respectively:

1. H3O+ and H2F+, respectively.

2. OH and H2F+, respectively.

3. H3O+ and F, respectively.

4. OH and F, respectively.

Subtopic:  Acids & Bases - Definitions & Classification |
 72%
From NCERT
NEET - 2019
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Consider this ionic equation in an aqueous solution:
CH3O + H2O → CH3OH + OH
Which statement about this reaction is correct?
 
1. CH3OH is the conjugate acid of CH3O-.
2. The CH3O ion is a Lewis acid.
3. The final mixture of solutions would have a pH below 7.
4. Water is acting as a Bronsted–Lowry base.
Subtopic:  Acids & Bases - Definitions & Classification |
 77%
From NCERT
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