CHEMISTRY · Multi-part · CBSE · Chemistry · Alcohols, Phenols and Ethers · Alcohols, Phenols and Ethers
Problem
Starch dilute hydrochloric acid monosaccharide A yeast,37∘C liquid B + carbon dioxide. Liquid B heat + potassium dichromate(VI) liquid C + water. Liquid C liquid B, concentrated sulfuric acid liquid D + water.
(1) Name, give the formula, and state one use of each substance A to D.
(2) Write word and balanced chemical equations for the reactions involved in the formation of liquids B, C, and D.
(3) Starch is classified as a natural polymer or biopolymer. Explain the meaning of this statement.
(4) Name the processes by which starch is broken down, liquid B is formed, liquid C is formed, and liquid D is formed.