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Is NH2 a strong or weak base?
The conj. base of NH3 acting as an acid is NH2^-. This makes NH2^- a strong base.
Is NH2 stronger than h2o?
-NH2 is the stronger base. Because H20 is the stronger acid, it has the weaker conjugate base.
Is NH2 stronger base than F?
Fluorine is the most electronegative, so F- (fluoride ion) is the least willing to donate electrons (the weakest base). Overall, the electronegativity order is C (2.5) < N (3.0) < O (3.5) < F (4.0), so the order of basicity is -CH3 (strongest base) > -NH2 > HO- > F-.
Is NO2 a weak base?
NO2- is a weak base.
How strong is NH2?
Ammonia is actually itself a weak base, so its conjugate base NH2- is an incredibly strong base so it can get an extra proton to regenerate NH3 which is much more stable. As a result of the relative basicity of NH2- and Cl-, we can determine that acid chlorides are much more reactive than amides.
Is NH2 a strong Nucleophile?
NH2(-) is a better nucleophile than NH3. HS(-) is a better nucleophile than H2S. The greater the negative charge, the more likely an atom will give up its pair of electrons to form a bond. Electronegativity.
Which is stronger NH2 or OH?
OH- is a conjugate base of H2O and NH2- is a conjugate base of NH3. H2O is stronger acid than NH3 so OH- is a weaker base than NH2- .
Is NH2 a poor leaving group?
If you really mean NH2- as a leaving group, then you can rationalize this by noting that NH2- is somewhat basic (not super weak). Thus, they are somewhat reactive and make poor leaving groups. Ideally, you want your leaving group to be as unreactive as possible.
Why is NH2 a weak base?
The amide anion (NH2-) is much, much more basic than the chloride anion (Cl-). This is because of their conjugate acids. Ammonia is actually itself a weak base, so its conjugate base NH2- is an incredibly strong base so it can get an extra proton to regenerate NH3 which is much more stable.
Is H2CO3 a weak acid?
H2CO3 is a weak acid that dissociates into a proton (H+ cation) and a bicarbonate ion (HCO3- anion). This compound only partly dissociates in aqueous solutions. Furthermore, the conjugate base of carbonic acid, which is the bicarbonate ion, is a relatively good base.
Why is NO3 a weaker base than no2?
Nitric acid is a stronger acid than nitrous acid because its conjugate base is more stable. The NO3- ion has excess negative charge spread out over 3 oxygen atoms while the excess negative charge in NO2- is spread out over on 2 oxygen atoms.
What are strong and weak bases?
Difference Between Strong and Weak Bases. Definition. Strong Bases: A strong base is a compound that can completely dissociate into its cation and hydroxyl ion in aqueous solution. Weak Bases: A weak base is a compound that partially dissociates into its hydroxyl ion and the cation creating an equilibrium condition.
What are some examples of weak bases?
An example of a weak base is ammonia.
What are strong acids and weak bases?
Acids have pH values from 1 to 7. Strong acids and strong bases react completely to produce salt and water. Strong acid is an acid that ionize completely while weak acid partially ionize. Strong acid add all their H+ to will weak acid only add some H+ to solution.
What are some weak bases?
Weak Bases. Examples of weak bases include ammonia, NH 3, and diethylamine, (CH 3 CH 2) 2 NH. Like weak acids, weak bases do not completely dissociate in aqueous solution.