The mass of a substance, M, liberated at an electrode during electrolysis is proportional to the quantity of electricity, Q passing through the electrolyte. This is represented graphically by.

A. A

B. B

C. C

D. D

The diagram above shows the reaction path of an exothermic reaction. The heat of reaction is represented by

A. l

B. ll

C. lll

D. lV

The IUPAC name for

A. 2-methylbutanoic acid

B. 2-methyl-1- hydroxyketone

C. 2-methyl-1-hydroxy aldehyde

D. 2-methylpentanoic acid

Carbon (ll) oxide may be collected as shown above because it

A. is heavier than air

B. is less dense than air

C. is insoluble in water

D. burns in oxygen to form carbon (IV) oxide

The acidic hydrogen in the compound is the hydrogen attached to carbon number

A. 5

B. 4

C. 3

D. 1