Organic Chemistry and Practical Skills
Question 1 of 30
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A student wants to prepare a dry, pure sample of hydrogen gas using zinc and dilute hydrochloric acid. Which setup gives the best result?
Select one option.
A
Generate hydrogen, pass it through anhydrous calcium chloride, then collect it in a gas syringe
B
Generate hydrogen, collect it over water, then pass the collected gas through anhydrous calcium chloride
C
Generate hydrogen, pass it through anhydrous calcium chloride, then collect it over water
D
Generate hydrogen, bubble it through limewater, then collect it in a gas syringe
E
Generate hydrogen, collect it by downward delivery without drying
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