IUPAC nomenclature

IUPAC nomenclature: of organic molecules including regio- and stereoisomers.

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No.of questions appeared  –   – 1   1 1 1 1   –

1.The IUPAC name of the compound given below is

1-iupac-nomenclature-csir-net-gate-chemical-science-dec-2013

(a) (2E, 4E)-3-chlorohexa-2, 4-diene-1, 6-diol

(b) (2Z, 4E)-3-chlorhexa-2, 4-diene-1, 6-diol

(c) (2Z, 4Z)-4-chlorohexa-2, 4-diene-1, 6-diol

(d) (2E, 4Z)-4-chlorohexa-2, 4-diene-1, 6-diol

 

2.The IUPAC name for the compound given below is

2-iupac-nomenclature-csir-net-gate-chemical-science-june-2013

(a) (2R, 3Z)-7-phenylhept-3-en-2-ol

(b) (2S, 3Z)-7-phenylhept-3-en-2-ol

(c) (2R, 3E)-7-phenylhept-3-en-2-ol

(d) (2S, 3E)-7-phenylhept-3-en-2-ol

 

3.The IUPAC name of the compound given below is:

3-iupac-nomenclature-csir-net-gate-chemical-science-june-2012

(a) ethyl (R)-2-methyl-4-oxocyclohex-2-enecarboxylate

(b) ethyl (S)-2-methyl-4-oxocyclohex-2-enecarboxylate

(c) (R)-4-ethoxycarbonyl-3-methylcyclo-hex-2-enone

(d) (S)-4-ethoxycarbonyl-3-methylcyclo-hex-2-enone

 

4.The IUPAC name of the following compound is

(a) (R)-3- (prop-2-enyl) hex-5-ynoic acid

(b) (S)-3- (prop-2-enyl) hex-5-ynoic acid

(c) (R)-3- (prop-2-enyl) hex-5-enoic acid

(d) (S)-3- (prop-2-ynyl) hex-5- enoic acid

 

 

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