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Trisilylamine is a weaker base than trimethylamine because the silicon atoms in trisilylamine are less electronegative than the nitrogen atom in trimethylamine. This results in less efficient donation of lone pair electrons by silicon atoms. Additionally, the larger size of silicon atoms in trisilylamine leads to poorer overlap of orbitals with protons, weakening its basicity compared to nitrogen atoms.

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Q: Why is trisilylamine a weaker base as compared to trimethylamine?
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((CH3)3NH)Cl is a salt formed by the reaction of the base trimethylamine ((CH3)3NH) and hydrochloric acid (HCl). Trimethylamine is a weak base, so ((CH3)3NH)Cl would be considered acidic.


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Baking soda (sodium bicarbonate) is weaker as a base compared to ammonia (NH3). Ammonia is a stronger base than baking soda because it is a more effective proton acceptor, meaning it can more readily accept and donate protons in a chemical reaction.


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Is heat of neutralization same for every acid-base pair?

No, the heat of neutralization can vary for different acid-base pairs due to differences in the strength of the acids and bases involved. Stronger acids and bases typically release more heat during neutralization compared to weaker acids and bases.