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Chemistry Questions

Question 426:

The oxidation of

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A 2-butanone
B 2-butanal
C Butane
D Butanoic acid
E 3-butanal

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Question 427:

The I.U.P.A.C name for the compound

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A 2-methyl-3-pentene
B 4-methyl-2-pentane
C 2-methyl-2-pentene
D 4-methylpent-2-ene
E 2-methyl-3-pentane

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Question 428:

Use the following option above to answer this question. Which of the following is the functional group of carboxylic acids?

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A A
B B
C C
D D
E E

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Question 429:

Which of the following conduct electricity?

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A Sulfur
B Graphite
C Diamond
D Red phosphorus
E Yellow phosphorus

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Question 430:

An organic compound contains 72% carbon, 12% hydrogen and 16% oxygen by mass. The empirical formula of the compound is

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A C<sub style='font-size: smaller;'>8</sub>H<sub style='font-size: smaller;'>22</sub>O<sub style='font-size: smaller;'>3</sub>
B C<sub style='font-size: smaller;'>6</sub>H<sub style='font-size: smaller;'>10</sub>O<sub style='font-size: smaller;'>3</sub>
C C<sub style='font-size: smaller;'>12</sub>H<sub style='font-size: smaller;'>12</sub>O
D C<sub style='font-size: smaller;'>6</sub>H<sub style='font-size: smaller;'>12</sub>O
E C<sub style='font-size: smaller;'>3</sub>H<sub style='font-size: smaller;'>6</sub>O

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