biomolecules

Question 1

reducing sugars reduces

Answer 1

fehling and tollens

Question 2

glucose from sucrose

Answer 2

sucrose is boiled w hcl and fructose and glucose are obtained

Question 3

sucrose on hydrolysis gives

Answer 3

1 glucose D, 1 fructose L

Question 4

maltose on hydrolysis gives

Answer 4

2 glucose

Question 5

glucose’s reaction w hydroxylamine confirms

Answer 5

carbonyl grp

Question 6

glucose reaction w br2 h2o confirms

Answer 6

aldehyde and forms gluconic acid

Question 7

acetylation of glucose confirms

Answer 7

5 oh and forms pentacetate

Question 8

glucose oxidation w hno3 confirms

Answer 8

primary oh grp

Question 9

alpha form of glucose

Answer 9

obtained by crystallization from conc soln of glucose at 303k

Question 10

beta form of glucose

Answer 10

obtained by crystallization from conc soln of glucose at 371k