الكيمياء العضوية

ما هي المجموعة الوظيفية المميزة للكحولات؟

• —COOH

• —CHO

• —OH

• —NH2

يتم تصنيف المركب العضوي حيث تكون مجموعة الهيدروكسيل مرتبطة مباشرة بحلقة البنزين على أنه:

• Alcohol

• Alkane

• Phenol

• Ether

ما هو الاسم الشائع لحلقة البنزين المرتبطة بمجموعة -CH2- والتي تحتوي بعد ذلك على رابطة حرة؟

• Phenyl group

• Benzyl group

• Toluene

• Phenoxy group

In the IUPAC naming system for alcohols, what suffix replaces the '-e' of the corresponding alkane name?

• -al

• -one

• -ol

• -oic acid

What is the IUPAC name for the following compound: CH3-CH(CH3)-C(CH3)(CH3)-C(OH)(C2H5)-CH3?

• 2,4,4,5-tetramethyl-3-hexanol

• 3,4,4,5-tetramethyl-3-hexanol

• 2,3,3,4-tetramethyl-4-hexanol

• 3,3,4,5-tetramethyl-2-hexanol

What is the IUPAC name for the compound with a benzene ring attached to a -CH2-OH group?

• Benzyl alcohol

• Phenol

• Phenylmethanol

• Cyclohexylmethanol

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Which type of alcohol contains a benzene ring that is not directly bonded to the hydroxyl group?

• Aliphatic alcohol

• Aromatic alcohol

• Phenol

• Cyclic alcohol

An alcohol with three or more hydroxyl (-OH) groups is classified as what?

• Monohydric alcohol

• Dihydric alcohol

• Polyhydric alcohol

• Tertiary alcohol

What type of alcohol is characterized by an -OH group attached to a carbon atom that is bonded to only one other carbon atom?

• Primary alcohol

• Secondary alcohol

• Tertiary alcohol

• Phenol