Which of the following is another name for 4-chlorobenzaldehyde? What is the cor

Question

Which of the following is another name for 4-chlorobenzaldehyde? What is the correct structure for 4-amino-2-benzaldehyde? What is the correct order of the names for the following compound? I naphthalene; II-triphenyl; III-biphenyl I-naphthalene; II-phenantherene; III-biphenyl I-biphenyl; II-phenanthrene; III-naphthalene I-naphthalene; II-anthracene; III-biphenyl I-biphenyl; II-anthracene; III-naphthalene What u the IUPAC name for the following compound? 3,4-dichtoroaniline 2,4-dichloroanilme 2,5-dichloroaniline 3,6-dichloroaniline 2,6-chloroaniline What is the IUPAC name for the following compound? 6-ethyl-3-nitrobenzoic acid 2-ethyl-5-nitrobenzoic acid 1-ethyl-4-nitrobenzoic acid 2-ethyl-5-nitrobenzaldehy What it the main difference between an aromatic and antiaromatic compound? Aromatic compounds must be cyclic and planar, but not antiaromatic compounds Aromatic compounds must satisfy Huckel's rule. Antiaromatic compounds must have a conjugated system with p orbital at every vertex Aromatic compounds must be monocyclic. none of these The number of pi electrons present in an antiaromatic compound: 4n 2n + 2 4n + 2 0 none of the above

Explanation / Answer

Solution:

20) A
21) E
22) A
23) A
24) D
25) E
26) A

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