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Quiz 210
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4181. Which of the following reactions can be used for the conversion of ethyl alcohol into acetaldehyde?
Polymerization
Dehydration
Esterification
Reduction
4182. Which of the following is formed, when excess of ethyl alcohol is treated with concentrated H₂SO₄ at a low temperature?
Diethyl ether
Dimethyl ether
Ethene
Acetylene
4183. Both alcohols and phenols contain:
#NAME?
#NAME?
CH₃ group
#NAME?
4184. The order of reactivity of alcohol when O-H bond breaks is:
Primary alcohol > Secondary alcohol > Tertiary alcohol
Secondary alcohol > Tertiary alcohol > Primary alcohol
Tertiary alcohol > Secondary alcohol > Primary alcohol
Primary alcohol > Tertiary alcohol > Secondary alcohol
4185. Which process is used to convert alcohol into ether?
Dehydration
Oxidation
Hydrolysis
Hydrogenation
4186. What is the IUPAC name of picric acid?
2,4,6-tribromophenol
2,4,6-trinitrophenol
2,4,6-trinitrotoluene
2,4,6-trimethylphenol
4187. Oxidation of secondary alcohol gives which of the following product?
Aldehyde
Carboxylic acid
Ester
Ketone
4188. Oxidation of secondary alcohol gives:
Carboxylic acid
Ketone
Ether
Phenol
4189. The reaction of an alcohol with sodium produces:
Aldehyde
Ether
Alkoxide
Alkane
4190. Which of the following has the highest boiling point?
CH₃OH
C₂H₅OH
Isopropyl alcohol
Tert-butyl alcohol
4191. Alkyl halide is formed on reaction with:
PCl₃
P₂O₅
Na metal
CH₃MgI
4192. Phenol and ethanol react with Na metal to form salt and ----.
Both form H
Both form water
H₂ and phenol form water
H and Na oxide
4193. 1-propanol reacts with HCl in the presence of ZnCl₂:
immediately
on heating
after 5 min
do not react at all
4194. In aldol condensation, carbanion acts as:
electrophile
nucleophile
does not produce at all
remain neutral
4195. Formula of wood spirit is:
CH₃OH
C₂H₅OH
C₃H₇OH
C₄H₉OH
4196. Alcohol and phenol can be differentiated by:
Iodoform test
halogenation
silver's test
Lucas test
4197. Lucas test is used for the identification of:
Alkyl halides
Alcohols
Alkenes
Carboxylic acids
4198. Which of the following reactions differentiates alcohol from phenol?
Lucas test
Iodoform test
Nitration
Halogenation
4199. The order of reactivity of alcohol when C–O bond breaks is:
3° > 2° > 1°
1° > 2° > 3°
2° > 1° > 3°
3° > 1° > 2°
4200. The increasing order of reactivity of alcohols towards nucleophile is:
2-methyl-2-pentanol < 3-methyl-2-pentanol < 2-methyl-1-pentanol
2-methyl-2-pentanol > 3-methyl-2-pentanol > 2-methyl-1-pentanol
2-methyl-1-pentanol < 3-methyl-2-pentanol < 2-methyl-2-pentanol
2-methyl-1-pentanol > 3-methyl-2-pentanol > 2-methyl-2-pentanol
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