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Quiz

Lesson 2: Unsaturated Hydrocarbons – Alkenes (Olefins) — Picture questions (exam style)

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1.
Study the scheme. Which option is correct?
Study the scheme. Which option is correct?
(Y): ethane-1,2-diol, (X): ethene
(Y): ethane-1,2-diol, (X): diethyl ether
(Y): ethanol, (X): diethyl ether
(Y): ethanedioic acid, (X): ethyne
2.
Study the scheme. Which option is correct?
Study the scheme. Which option is correct?
(X): propanal, (Y): propanal
(X): propan-2-ol, (Y): propanone
(X): propan-1-ol, (Y): propanone
(X): propan-1-ol, (Y): propanoic acid
3.
Starting from 1 g of C₃H₆ in the sequence shown (yield of each step on its arrow, molar masses in brackets). Which option is correct?
Starting from 1 g of C₃H₆ in the sequence shown (yield of each step on its arrow, molar masses in brackets). Which option is correct?
mass of C₃H₆O = 1.38 g, overall yield = 66%
mass of C₃H₆O = 0.967 g, overall yield = 66%
mass of C₃H₆O = 0.773 g, overall yield = 56%
mass of C₃H₆O = 0.773 g, overall yield = 70%
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