1
WB JEE 2024
MCQ (Single Correct Answer)
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-0.25
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The correct acidity order of phenol (I), 4-hydroxybenzaldehyde (II) and 3-hydroxybenzaldehyde (III) is

A
I < II < III
B
I < III < II
C
II < III < I
D
III < II < I
2
WB JEE 2023
MCQ (Single Correct Answer)
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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
3
WB JEE 2023
MCQ (Single Correct Answer)
+1
-0.25
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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
4
WB JEE 2023
MCQ (Single Correct Answer)
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-0.25
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The correct stability order of the following carbocations is

(I) $$\mathrm{{H_2}\mathop C\limits^ \oplus - CH = CH - C{H_3}}$$

(II) $$\mathrm{\mathop C\limits^ \oplus {H_2} - CH = CH - BM{e_2}}$$

(III) $$\mathrm{{H_2}\mathop C\limits^ \oplus - CH = CH - NMe}$$

(IV) $$\mathrm{{H_2}\mathop C\limits^ \oplus - CH = CH - OMe}$$

A
II > I > III > IV
B
III > I > II > IV
C
III > IV > I > II
D
IV > III > II > I
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