CH3COO CH3CONH H3NCH2COO how do I find which is a stronger and which is a weaker base?

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30-06-2024
Chemistry

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CH3COO CH3CONH H3NCH2COO how do I find which is a stronger and which is a weaker base?

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saadwasay1 saadwasay1 · Answer 1 · 2024-06-30T13:29:03-04:00

Answer:

Explanation:To determine which is a stronger base and which is a weaker base, you can use the following methods:

1. *pH value*: A stronger base has a higher pH value, while a weaker base has a lower pH value.

2. *Dissociation constant (Kb)*: A stronger base has a larger Kb value, while a weaker base has a smaller Kb value.

3. *Concentration of hydroxide ions (OH-)*: A stronger base produces a higher concentration of OH- ions, while a weaker base produces a lower concentration.

4. *Base strength order*: Memorize the common base strength order:

- Strongest: Sodium hydroxide (NaOH), Potassium hydroxide (KOH)

- Weaker: Calcium hydroxide (Ca(OH)2), Magnesium hydroxide (Mg(OH)2)

- Weakest: Ammonia (NH3), Amines (RNH2)

For example:

- Compare sodium hydroxide (NaOH) and ammonia (NH3):

- NaOH is a stronger base (higher pH, larger Kb, higher OH- concentration)

- NH3 is a weaker base (lower pH, smaller Kb, lower OH- concentration)

Remember, the strength of a base is related to its ability to accept protons (H+) and produce hydroxide ions (OH-).