The equilibrium constant (Ka) for the reaction of CH3NH2 with water to form CH3NH3 and OH- ions is the ratio of the concentrations of the products (CH3NH3 and OH-) to the concentration of the reactant (CH3NH2) at equilibrium. It represents the extent to which the reaction proceeds in the forward direction.
The ionic equation for the reaction between hydrochloric acid (HCl) and methylamine (CH3NH2) is: HCl + CH3NH2 -> CH3NH3+ + Cl-
The reaction is:CH3NH2 + HBr = CH3NH3Br
The Kb value for CH3NH2(aq) is 4.4 x 10^-4.
NH3 is a weak base, but H2CO3 ( carbonic acid ) is not a strong acid. It is a weak acid.
Methyl amine in not an acid, but a (weak) base, pKb=3.36. It is comparable with the even weaker ammonia, NH3, pKb=4.76: CH3NH2 + H2O <<--> CH3NH3+ + OH-
The equilibrium constant (Kb) for the reaction of methylamine (CH3NH2) with water to form the methylammonium ion (CH3NH3+) and hydroxide ion (OH-) is a measure of the base strength of methylamine in aqueous solution. It quantifies the extent to which methylamine accepts a proton from water. The reaction can be represented as: CH3NH2(aq) + H2O(l) ⇌ CH3NH3+(aq) + OH-(aq). Kb is calculated using the concentrations of the products divided by the concentration of the reactants at equilibrium.
The base dissociation constant (Kb) for methylamine (CH3NH2) in water is a measure of its ability to accept a proton (H+) from water, forming CH3NH3+ and hydroxide ions (OH-). The equilibrium expression for this reaction is given by Kb = [CH3NH3+][OH-] / [CH3NH2]. For methylamine, Kb is approximately 4.2 × 10^-4 at 25°C, indicating its relatively weak basicity compared to stronger bases.
The ionic equation for the reaction between hydrochloric acid (HCl) and methylamine (CH3NH2) is: HCl + CH3NH2 -> CH3NH3+ + Cl-
Kb = [CH3NH3 +] [OH-] / [CH3NH2]
The reaction is:CH3NH2 + HBr = CH3NH3Br
The Kb value for CH3NH2(aq) is 4.4 x 10^-4.
The base dissociation constant (Kb) for methylamine (CH3NH2) can be determined from its equilibrium reaction with water, where CH3NH2 accepts a proton to form CH3NH3+ and hydroxide ions (OH-). The Kb value indicates the strength of CH3NH2 as a base, reflecting its ability to generate OH- in solution. For methylamine, Kb is approximately 4.2 × 10^-4, highlighting its moderate basicity. This value can be used in calculations involving the concentration of hydroxide ions produced in a solution of methylamine.
[ch3nh3+][oh-] / [ch3nh2]
NH3 is a weak base, but H2CO3 ( carbonic acid ) is not a strong acid. It is a weak acid.
Methyl amine in not an acid, but a (weak) base, pKb=3.36. It is comparable with the even weaker ammonia, NH3, pKb=4.76: CH3NH2 + H2O <<--> CH3NH3+ + OH-
CH3NH2 + HCl ------> CH3NH3+Cl-
Since the conjugate acid is supposed to be just the addition of an H+, then it should be either HPH3+ or PH4+, phosphonium cations, resulting from protonation of phosphine. It has a molar mass of 35.01 g/molThe (positive) cations are much like the analogue ammonium ions NH4+.