To determine which compound does not show tautomerism, we need to understand what tautomerism is. Tautomerism is a phenomenon in which a compound can exist in two or more forms that differ in the placement of atoms or double bonds. These different forms are called tautomers.

Now, let's analyze each option:

A) Acetone: Acetone is a ketone compound with the molecular formula (CH3)2CO. It does not have any active hydrogen atoms that can participate in tautomerism.

B) Acetonitrile: Acetonitrile is a nitrile compound with the molecular formula CH3CN. It also does not have any active hydrogen atoms for tautomerism.

C) Vinyl alcohol: Vinyl alcohol, also known as ethenol, has the molecular formula CH2=CHOH. It does have an active hydrogen atom, which can participate in tautomerism. Therefore, vinyl alcohol can exhibit tautomerism.

D) Formaldehyde: Formaldehyde has the molecular formula CH2O. It does not have any active hydrogen atoms for tautomerism.

Based on this analysis, the compound that does NOT show tautomerism is option D) Formaldehyde.

Therefore, the correct answer is D) Formaldehyde.

Question

To determine which compound does not show tautomerism, we need to understand what tautomerism is. Tautomerism is a phenomenon in which a compound can exist in two or more forms that differ in the placement of atoms or double bonds. These different forms are called tautomers.

Now, let's analyze each option:

A) Acetone: Acetone is a ketone compound with the molecular formula (CH3)2CO. It does not have any active hydrogen atoms that can participate in tautomerism.

B) Acetonitrile: Acetonitrile is a nitrile compound with the molecular formula CH3CN. It also does not have any active hydrogen atoms for tautomerism.

C) Vinyl alcohol: Vinyl alcohol, also known as ethenol, has the molecular formula CH2=CHOH. It does have an active hydrogen atom, which can participate in tautomerism. Therefore, vinyl alcohol can exhibit tautomerism.

D) Formaldehyde: Formaldehyde has the molecular formula CH2O. It does not have any active hydrogen atoms for tautomerism.

Based on this analysis, the compound that does NOT show tautomerism is option D) Formaldehyde.

Therefore, the correct answer is D) Formaldehyde.

Knowee AI · Accepted Answer

To determine which compound does not show tautomerism, we need to understand what tautomerism is. Tautomerism is a phenomenon in which a compound can exist in two or more forms that differ in the placement of atoms or double bonds. These different forms are called tautomers.

Now, let's analyze each option:

A) Acetone: Acetone is a ketone compound with the molecular formula (CH3)2CO. It does not have any active hydrogen atoms that can participate in tautomerism.

B) Acetonitrile: Acetonitrile is a nitrile compound with the molecular formula CH3CN. It also does not have any active hydrogen atoms for tautomerism.

C) Vinyl alcohol: Vinyl alcohol, also known as ethenol, has the molecular formula CH2=CHOH. It does have an active hydrogen atom, which can participate in tautomerism. Therefore, vinyl alcohol can exhibit tautomerism.

D) Formaldehyde: Formaldehyde has the molecular formula CH2O. It does not have any active hydrogen atoms for tautomerism.

Based on this analysis, the compound that does NOT show tautomerism is option D) Formaldehyde.

Therefore, the correct answer is D) Formaldehyde.

____ does NOT show tautomerism.A Acetone B Acetonitrile C Vinyl alcohol D Formaldehyde

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