Question

please answer both

List the 3 observations you expect for a positive test with the Baeyer test. TTT Arial 3 (12pt) 4T - 5 - E - Sous is Path:p Words:0 QUESTION 4 10 points Save Answer Describe, in terms of simple chemistry concepts, the action of soap when washing grease off of dirty dishes. TTT Arial A3 (1201) T,N ,E - = - NS - S NS, s i

Answer 1

The answer of the t part:

Three observations of a positive Bayer's test are

(A) The Purple color of permanganate (VII) will disappear and (B) change to green color due to the formation of Manganate (VI) and (C) finally brown color will be observed due to formation of MnO2.

Answer of 2nd part (question 4)

Soaps are surface-active agents or surfactants. due to high surface tension of water,it does not wet the surface of dishes when the grease or oil materials are present on the dish. Due to addition of shop to the water, it reduces the suerface tension of water, as a result, it easily wet the dish surface. After that,with addition of mechanical force the oil or grease materials are removed.