CHEM. MC

Question 1
Which of the following statements concerning the substitution reaction between bromoethane and hydroxide ions are correct?
(1) Ethanol is one of the products.
(2) An organic solvent is required for the reaction.
(3) The reaction involves the breakage of the CBr bond.
A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)
Question 2
Which of the following compounds could undergo substitution reactions?
(1) CH3CH=CHCH3
(2) CH3CH2CH2CH3
(3) CH3CH2CH2CH2Br
A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)
Question 3
Which of the following reactions are substitution reactions?
(1) CH3CH2CH2CH2I + OH
(2) CH3CH2CH2CH3 + Cl2
(3) CH3CH=CHCH3 + H2
A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)
Question 4
Which of the following statements about the reaction between 2-iodobutane and NaOH(aq) are correct?
(1) The products of the reaction are butan-2-ol and sodium iodide.
(2) The reaction will be faster if 2-chlorobutane replaces 2-iodobutane.
(3) The reaction involves the breakage of the CI bond.
A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)
2
Question 5
Sodium hydroxide solution was added to a sample of chloromethane in a test tube. Then, a small amount of acidified silver nitrate solution was added to the reaction mixture. What could be observed?
A. Gas bubbles were formed.
B. The solution turned silvery.
C. White precipitate was formed.
D. No observable change.
Question 6
Which of the following reagents are used to convert propan-2-ol to 2-bromopropane?
(1) H2SO4(l) + KBr(s)
(2) Br2(l) + CCl4(l)
(3) PBr3(l)
A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)