TMA

TMA3/CHM192 – Introductory Chemistry Practical II

TMA Quiz Questions
TMA: TMA3/CHM192
Matric Number:  score=9.50
CHM192 – Introductory Chemistry Practical II
Miss Abdul Modupe (mabdul@noun.edu.ng )
1 Which of the following is a recrystallization solvent?
2 Which statement explains why the element “Carbon” forms so many compounds?
3 Dehydration of an alcohol leads to the formation of an ____________.
4 Which statement about benzene is correct?
5 Which of the following condensed formulae is accurate for 2,2-dimethylbutane?

CH3C(CH3)2CH2CH3CH3C(CH3)2CH2CH3

CH3C(CH3)CH2CH3CH3C(CH3)CH2CH3

CH3(CH3)2CH2CH3CH3(CH3)2CH2CH3

CH3C(CH3)2CH2CH3CH3C(CH3)2CH2CH3
6 Which of these compounds is a saturated hydrocarbon?
7 In a molecule of

CH4CH4

, the hydrogen atoms are spatially oriented towards the center of a regular ___________

8 In which pair of hydrocarbons does each compound contain only one double bond per molecule?

C2H2C2H2

C2H6C2H6

C2H2C2H2

C3H6C3H6

C4H8C4H8

C2H4C2H4

C6H6C6H6

C7H8C7H8
9 Which element is present in all organic compounds?
10 Which of these compounds is an organic acid?

CH3OCH3CH3OCH3

CH3OHCH3OH

CH3COOHCH3COOH

CH3COOCH3CH3COOCH3
11 What happens when bromine water is added to a saturated hydrocarbon and an unsaturated hydrocarbon?
12 Which of the following will undergo an addition reaction with chlorine?
13 What is the expected product formed from the reaction between 2-butene and chlorine?
14 The representation

CH3CH2CH2CH2CH3CH3−CH2−CH2−CH2−CH3

for the alkane pentane is an example of ____________

15 Which of these statements is true?
16 Ethyne gas may be tested for saturation in the laboratory. Which of these is a positive test?
17 Which molecule contains a total of three carbon atoms?
18 Breaking of a larger hydrocarbon molecule into a smaller one by heating in the presence of a catalyst is called ___.
19 An isomer of pentane is ___________.
20 Isomers have the same _____________.
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