BIOLOGY
CARBOHYDRATES
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Which statement is true?
|
monosacharides contain a carboxyl group
|
|
monosacharides contain only 1 hydroxyl group
|
|
monosacharides have empirical formula CH2O
|
|
example of monosacharide is glucose and celullose
|
Explanation:
Detailed explanation-1: -The empirical formula of glucose is ‘CH (2)O‘. The empirical formula and molecule mass of a compound are ‘CH (2)O‘ and 180g respectivel.
Detailed explanation-2: -Which statement is true about an empirical formula? It is the true ratio of atoms in a formula unit.
Detailed explanation-3: -Formaldehyde is the simplest aldehyde made of hydrogen, carbon and oxygen with the formula CH2O. Formaldehyde is one of a large family of chemicals known as volatile organic compounds which evaporates and becomes gaseous at room temperature.
Detailed explanation-4: -Thus, for empirical formula CH2O and molecular mass 180 , molecular formula is C6H12O6.
There is 1 question to complete.