Valid Reaction Mechanism

Quiz
•
Chemistry
•
10th - 12th Grade
•
Hard
+1
Standards-aligned
Charles Martinez
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which equation represents an initiation step?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement is correct about the molecule shown?
It reacts with HBr in an electrophilic substitution reaction.
It reacts with NaBH4 in a nucleophilic addition-elimination reaction.
It reacts with ethanolic KOH in an elimination reaction.
It reacts with KCN in a nucleophilic substitution reaction.
Tags
NGSS.HS-PS1-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which equation is a propagation step in the conversion of trichloromethane into tetrachloromethane by reaction with chlorine in the presence of ultraviolet light?
CHCl3 + Cl2 ⟶ CCl4 + HCl
●CCl3 + ●Cl ⟶ CCl4
CHCl3 + ●Cl ⟶ CCl4 + ●H
●CCl3 + Cl2 ⟶ CCl4 + ●Cl
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The reaction sequence shows how CH3CH3 can be converted into BrCH2CH2Br
Which step occurs by nucleophilic substitution?
Step A
Step B
Step C
Step D
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In concentrated alkali, propanone reacts with hydroxide ions to form an equilibrium mixture as shown.
Which curly arrow does not appear in the mechanism of this reaction?
Tags
NGSS.HS-PS1-2
NGSS.HS-PS1-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the arrows, labelled A, B, C or D in the mechanism in the diagram, is not correct?
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a correct mechanism for the formation of 2-methylbut-2-ene from 2-bromo-3-methylbutane?
Tags
NGSS.HS-PS1-5
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