Glucose is commercially prepared from a polysaccharide, where change in specific rotation occurs. Which is the polysaccharide used for the production of glucose ?

Glucose is commercially prepared from a polysaccharide. i. Which is the polysaccharide used for the production of glucose? ii. Name the process involved in the formation of glucose in the above method.

Write a method to prepare Glucose from starch. Write the chemical equation of the reaction.

Write one method each for the laboratory preparation of dihydrogen from I) mineral acid ii) aqueous alkali. Which is the catalyst used for the reaction?

Consider the following statements about sucrose. I. Hydrolysis of sucrose with dilute acid yields an equimolar mixture of D-glucose and D-fructose. II. Acid hydrolysis of sucrose is accompanied by a change in optical rotation. III. In sucrose, the glycosidic linkage is between C_1 of glucose and C_2 of fructose. IV. Aqueous solution of sucrose exhibits mutarotation. Which of the statements given above are correct?

Classify the following as monosaccharide, oligosaccharide and polysaccharide: Glucose

Which of the following statements are true? i) Rhamnose and deoxyribose are carbohydrates by their chemical behavior but cannot represented as hydrates of carbon ii) Formaldehyde and acetic acid do not behave like carbohydrate but can be represented by the general formula of carbohydrates, C_x(H_2O)_y iii) Raffinose on hydrolysis gives glucose and galactose only iv) Polysaccharides are also called non-sugars v) In disaccharides, if reducing groups of monosaccharides are bonded, they are non reducing in nature vi) Sorbose is an example of aldose

A student wants to prepare 2-propanol using methyl magnesium iodide (Grignard reagent). Which other organic compound he has to use to get the product?

a) Which is the main ore of iron? b) Which compound acts as the reducing agent in the production of iron c) Name the furnace which is used for the industrial preparation of iron.