(MCQ from ETEA MDCAT 2023)
Q: Oxygen can be prepared by the decomposition of potassium chlorate (KClO₃). How many moles of oxygen (O₂) can be formed by taking 12 moles of potassium chlorate (KClO₃), according to the following equation?
2KClO₃ (s) + heat → 2KCl (s) + 3O₂ (g)
A) 12 moles of oxygen
B) 15 moles of oxygen
C) 18 moles of oxygen
D) 21 moles of oxygen
Quiz Practice – Chemistry Entry Test MCQ #3 Read More »
(MCQ from ETEA MDCAT 2023)
Q: Consider the reaction below. If 5 moles each of hydrogen and oxygen are reacted to form water, the reaction reveals:
2H₂ + O₂ → 2H₂O
A) H₂ is excess reagent
B) O₂ is limiting reagent
C) H₂ is limiting reagent
D) Reaction has no limiting reagent
Quiz Practice – Chemistry Entry Test MCQ #2 Read More »
Q: The IUPAC name for the alkane represented by the following structure
CH₃CH₂C(CH₃)₂CH₂CH₃ is:
A) 2,2-dimethyl-1-pentane
B) 1,1-dimethyl-2,2-methyl butane
C) 1-methyl-2,2-dimethyl butane
D) 2,2-dimethyl pentane
Quiz Practice – Chemistry Entry Test MCQ #1 Read More »
