# chem

posted by .

Arrange the following amines in order of decreasing base strength. NH3, NH2Br, CH3NH2, (CH3)2NH

• chem -

Look up Kb in tables and go from there. I know NH3 is 1.8 x 10^-5 and CH3NH2 is 4.8 x 10^-4, dimethylamine (CH3)2NH is 5.9 x 10^-4 but I don't have the other one in the table I have at home.

• chem -

Strongest --> Weakest Base:
(CH3)2NH CH3NH2 NH3 NH2Br

## Similar Questions

1. ### O.CHEM -> PLEASE CHECK!!

Arrange the compounds in the order of increasing boiling point ***(LOWEST first): 1) H3C-O-CH3 2) H2O 3) CH3CH2OH 4) CH3CH2SH I think the order should be: #1, 4, 3, 2 Arrange the following in order of increasing rate of reactivity …
2. ### college

NH3 and CH3NH2 have Kb values of 1.8 x 10-5 and 5.0 x 10-4, respectively; which of the following statement(s) is (are) CORRECT?
3. ### Chemistry

NH3 and CH3NH2 have Kb values of 1.8 x 10-5 and 5.0 x 10-4, respectively; which of the following statement(s) is (are) CORRECT?
4. ### chemistry

Out of the following compounds, which one is the weakest base?
5. ### Chem

Estimate the equilibrium constant for the weak base (CH3)2NH, if a 1.59×10-2 M aqueous solution of (CH3)2NH has a pOH 2.58 (make an exact calculation assuming that initial concentration is not equal to the equilibrium concentration). …
6. ### Chemistry

Complete and balance the following (CH3)2NH(aq)+CH3COOH(aq)→ CH3CH2NH2(aq)+HBr(aq)→ CH3NH2(aq)+HCOOH(aq)→
7. ### Chemistry!!

Complete and balance the reaction of A) (CH3)2NH(aq)+CH3COOH(aq)→ B) CH3CH2NH2(aq)+HBr(aq)→ C) CH3NH2(aq)+HCOOH(aq)→
8. ### Chem

Complete and balance the reaction of A) (CH3)2NH(aq)+CH3COOH(aq)→ B) CH3CH2NH2(aq)+HBr(aq)→ C) CH3NH2(aq)+HCOOH(aq)→
9. ### Chemistry

Complete and balance the reactions A) (CH3)2NH(aq)+CH3COOH(aq)→ B) CH3CH2NH2(aq)+HBr(aq)→ C) CH3NH2(aq)+HCOOH(aq)→
10. ### Chemistry

What is basic like NaOH,from the following?

More Similar Questions