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WB JEE 2023 Chemistry - General Organic Chemistry Question 6 English

The correct order of C = O bond length in ethyl propanoate (I), ethyl propenoate (II) and ethenyl propanoate (III) is

A
I > II > III
B
III > II > I
C
I > III > II
D
II > I > III
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Select the molecule in which all the atoms may lie on a single plane is

A
4-Nitrobenzaldehyde
B
4-Methoxybenzaldehyde
C
4-Methylnitrobenzene
D
4-Nitroacetophenone
3
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The IUPAC name of

WB JEE 2023 Chemistry - IUPAC Nomenclatures Question 1 English

A
3-Formyl-2-pentene
B
2-Ethylbut-2-enal
C
3-Ethylbut-3-enal
D
2-Ethylcrotonaldehyde
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WB JEE 2023 Chemistry - Isomerism Question 2 English 1WB JEE 2023 Chemistry - Isomerism Question 2 English 2

The relationship between the pair of compounds shown above are respectively,

A
enantiomer, diastereomer, diastereomer
B
enantiomer, enantiomer, diastereomer
C
enantiomer, homomer (identical), diastereomer
D
homomer (identical), diastereomer, geometrical isomer
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