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Q1. Isopropyl methyl ether when treated with cold hydrogen iodide gives which of the following alcohol?

(a) isopropyl iodide and methyl iodide
(b) isopropyl alcohol and methyl iodide
(c) isopropyl alcohol and methyl alcohol
(d) isopropyl iodide and methyl alcohol

Q2. Which of the following way is not a method of preparation of alcohol?

(a) Grignard reaction
(b) Reduction of an aldehyde, ketone, or carboxylic acid with the appropriate reducing agent
(c) Substitution reaction of hydroxide or water on the appropriate alkyl halide
(d) Haber?s process

Q3. Among the alkenes which one produces tertiary butyl alcohol on acid hydration?

(a) (CH3)2C=CH2
(b) CH3-CH=CH-CH3
(c) CH3CH2CH=CH2
(d) CH3CH=CH2

Q4. Acid catalysed hydration of alkenes except ethene leads to the formation of which of the following?

(a) Mixture of secondary and tertiary alcohols
(b) Mixture of secondary and tertiary alcohols
(c) Secondary or tertiary alcohol
(d) Primary alcohol

Q5. Which is the only alcohol that can be prepared by the indirect hydration of alkene?

(a) Ethyl alcohol
(b) Propyl alcohol
(c) Isobutyl alcohol
(d) Methyl alcohol

Q6. Ethyl alcohol obtained by fermentation of starch or molasses is called wash, and what is it?s purity?

(a) 15%
(b) 99%
(c) 99.90%
(d) 95%

Q7. 15% pure ethyl alcohol (wash) on fractional distillation gives 95% ethyl alcohol by weight which is commonly known as which of the following terms?

(a) Wash
(b) Absolute alcohol
(c) Rectified spirit
(d) Methylated spirit

Q8. Which of the following steps is not used in the fermentation of starch into ethyl alcohol?

(a) Hydrolysis of starch into maltose by diastase present in barley
(b) Conversion of maltose into glucose by maltase present in yeast
(c) Conversion of glucose into ethanol by zymase present in yeast
(d) Conversion of sucrose into glucose and fructose by sucrase present in yeast

Q9. Which of the following statements is incorrect regarding preparation of alcohols?

(a) Aldehydes and Ketones on catalytic reduction by [H] give primary alcohol and secondary alcohol respectively
(b) Ketones on reaction with Grignard?s reagent gives tertiary alcohol
(c) Aldehydes on reaction with Grignard?s reagent gives primary or secondary alcohol
(d) Alkyl halides on reaction alcoholic potash gives alcohol

Q10. Catalytic reduction (Hydrogenation) of carbon monooxide with H2 under high pressure and temperature gives methyl alcohol. What is this process is known as?

(a) Baeyer?s test
(b) Hofmann?s reaction
(c) Kolb process
(d) BASF process


0 votes
0 Answer
297 views

Consider The Following Reaction.

Modified 298 Year Ago Trevor

297
Trevor
298 Year Ago

Consider The Following Reaction.

0 votes
0 Answer
293 views

According To Lewis Concept Of Acids And Bases, Ether Is

Modified 221 Year Ago Rebecca

293
Rebecca
221 Year Ago

According To Lewis Concept Of Acids And Bases, Ether Is

0 votes
0 Answer
293 views

The Compound On Dehydrogenation Gives A Ketone. The Original Compound Is

Modified 359 Year Ago Joe

293
Joe
359 Year Ago

The Compound On Dehydrogenation Gives A Ketone. The Original Compound Is

0 votes
0 Answer
265 views

Phenol Is Heated With A Solution Of Mixture Of KBr And KBrO3.

Modified 298 Year Ago Jake

265
Jake
298 Year Ago

Phenol Is Heated With A Solution Of Mixture Of KBr And KBrO3.

0 votes
0 Answer
243 views

Which Is Primary Alcohol

Modified 221 Year Ago Blake

243
Blake
221 Year Ago

Which Is Primary Alcohol

0 votes
0 Answer
239 views

Enter Is More Volatile Than Alcohol Having The Same Molecular Formula.

Modified 298 Year Ago Gordon

239
Gordon
298 Year Ago

Enter Is More Volatile Than Alcohol Having The Same Molecular Formula.

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