19 The reaction between an alkyl halide and sodium metal to form an alkane is called _______ reaction.
Wittig
Diels-Alder
Kolbe
Wurtz
20 A benzene ring with a methyl group at position one and nitro group at position three is _________
p nitrotoluene
p nitroxylen
o nitrobenzene
o nitroaniline
1
Expert's answer
2016-09-02T10:01:10-0400
19. Wurtz 20. The right answer is m-nitrotoluene (not p-nitrotoluene). That's why there is no right answer among above variants.
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