What is Lucas Reagent ?

What is Lucas Reagent ?
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1 Answer

Answer :

: A mixture of concentrated HCl and insoluble ZnCl2 is called Lucas reagent.
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Benzaldehyde can be distinguished from acetophenone by using : (a) Tollens' reagent (b) Lucas reagent (c) Fehling's reagent (d) All of these

Description : Benzaldehyde can be distinguished from acetophenone by using : (a) Tollens' reagent (b) Lucas reagent (c) Fehling's reagent (d) All of these

Last Answer : Tollens' reagent

Which of the following compounds will react fastest with Lucas reagent? (a) 1-propanol (b) 2-methyl-1-propanol (c) 2-propanol (d) 2-methyl-2-propanol

Description : Which of the following compounds will react fastest with Lucas reagent? (a) 1-propanol (b) 2-methyl-1-propanol (c) 2-propanol (d) 2-methyl-2-propanol

Last Answer : 2-methyl-2-propanol

Which of the following compounds reacts slowest with Lucas reagent at room temperature? (a) 1-butanol (b) 2-propanol (c) 2-butanol (d) 2-methyl-2-propanol

Description : Which of the following compounds reacts slowest with Lucas reagent at room temperature? (a) 1-butanol (b) 2-propanol (c) 2-butanol (d) 2-methyl-2-propanol

Last Answer : 1-butanol

The compound which reacts most readily with Lucas reagent is (a) CH3CH2Cl (b) (CH3)2CHOH (c) CH3CH2OH (d) (CH3)3COH

Description : The compound which reacts most readily with Lucas reagent is (a) CH3CH2Cl (b) (CH3)2CHOH (c) CH3CH2OH (d) (CH3)3COH

Last Answer : (CH3)3COH

How many of the following compounds would give turbidity with lucas reagent without heating (1) Benzyl alcohol (2) Allyl alcohol (3) Cyclohexanol (4)

Description : How many of the following compounds would give turbidity with lucas reagent without heating (1) Benzyl alcohol (2) Allyl alcohol (3) Cyclohexanol (4)

Last Answer : How many of the following compounds would give turbidity with lucas reagent without heating (1) ... methyl carbionol (9) P-Nitro benzyl alcohol

Which of the following statements is NOT correct : (a) Tollens' test is given by both aliphatic and aromatic aldehydes. (b) Fehling's test is given by aliphatic aldehydes. It is not given by aromatic aldehydes. (c) Iodoform test is given by methyl ketones and acetaldehydes. (d) Lucas test is given by both aliphatic and aromatic aldehydes

Description : Which of the following statements is NOT correct : (a) Tollens' test is given by both aliphatic and aromatic aldehydes. (b) Fehling's test is given by aliphatic aldehydes. It is not given ... given by methyl ketones and acetaldehydes. (d) Lucas test is given by both aliphatic and aromatic aldehydes

Last Answer : Lucas test is given by both aliphatic and aromatic aldehydes

Lucas test is used to determine the type of (a) alcohols (b) acids (c) amines (d) carbohydrates

Description : Lucas test is used to determine the type of (a) alcohols (b) acids (c) amines (d) carbohydrates

Last Answer : alcohols

Lucas reagents is (a) HCl/NaNO2 (b) H2/Pd (c) HCl/ZnCl2 (d) H2/Pd/BaSO4

Description : Lucas reagents is (a) HCl/NaNO2 (b) H2/Pd (c) HCl/ZnCl2 (d) H2/Pd/BaSO4

Last Answer : HCl/ZnCl2

Can I mix normal power steering fluid with the lucas power steering stop leak?

Description : Can I mix normal power steering fluid with the lucas power steering stop leak?

Last Answer : Also my car Manuel doesn’t say what PS fluid I should use. I don’t get it. Can’t I just go buy some power steering fluid? What does it need to be?

For Star Wars nerds: Why would George Lucas name the desert-dwelling merchants of Tattooine "Jawa's" - isn't that a little too close to Jews to be a coincidence?

Description : For Star Wars nerds: Why would George Lucas name the desert-dwelling merchants of Tattooine "Jawa's" - isn't that a little too close to Jews to be a coincidence?

Last Answer : I’m not a Star Wars nerd, so I’ll skip this question…

Lucas Cruikshank+ Miley Cyrus?

Description : Lucas Cruikshank+ Miley Cyrus?

Last Answer : answer:who the hell is Lucas Cruikshank? that’s the coolest name ever! Too bad he sounds like a loser. Also, you should stop stalking Miley Cyrus. that’s kinda pervy.

Lucas test is used to make distinction between `1^(@), 2^(@)` and `3^(@)` alcohols. This do not show that

Description : Lucas test is used to make distinction between `1^(@), 2^(@)` and `3^(@)` alcohols. This do not show that

Last Answer : Lucas test is used to make distinction between `1^(@), 2^(@)` and `3^(@)` alcohols. ... those giving blue or white colour during Victor Mayor test.

There are three alcohols x, y, z which have 2, 1 and 0 alpha hydrogen atoms(s) respectively. Which does not give Lucas Test immediately

Description : There are three alcohols x, y, z which have 2, 1 and 0 alpha hydrogen atoms(s) respectively. Which does not give Lucas Test immediately

Last Answer : There are three alcohols x, y, z which have 2, 1 and 0 alpha hydrogen atoms(s) respectively. Which does ... y C. z D. all the three do not give test

Is lucas pelucas tamarind candy bad for health?

Description : Is lucas pelucas tamarind candy bad for health?

Last Answer : Feel Free to Answer

How does Lucas say the signers of the declaration of independence created sense that war was inevitable?

Description : How does Lucas say the signers of the declaration of independence created sense that war was inevitable?

Last Answer : By including the word "necessary" in the first paragraph.

What According to Lucas use of the word necessary in the first paragraph of the Declaration of Independence makes a revolution seem .?

Description : What According to Lucas use of the word necessary in the first paragraph of the Declaration of Independence makes a revolution seem .?

Last Answer : What is the answer ?

In this passage from Stephen e lucas essay the stylistic artistry of the declaration of independence what is the meaning of the word alliteration?

Description : In this passage from Stephen e lucas essay the stylistic artistry of the declaration of independence what is the meaning of the word alliteration?

Last Answer : The repetition of consonant sounds at the beginning of words

Where is Lucas Grabeel's most ticklish spot?

Description : Where is Lucas Grabeel's most ticklish spot?

Last Answer : His neck

What evidence does the speaker give to show that no such bond exists between her and Lucas?

Description : What evidence does the speaker give to show that no such bond exists between her and Lucas?

Last Answer : Need answer

How does Lucas say the signers of the declaration of independence created sense that war was inevitable?

Description : How does Lucas say the signers of the declaration of independence created sense that war was inevitable?

Last Answer : By including the word "necessary" in the first paragraph.

In this passage from Stephen e lucas essay the stylistic artistry of the declaration of independence what is the meaning of the word alliteration?

Description : In this passage from Stephen e lucas essay the stylistic artistry of the declaration of independence what is the meaning of the word alliteration?

Last Answer : The repetition of consonant sounds at the beginning of words

How does Lucas say signers of the declaration of independence created the sense that war was inevitable?

Description : How does Lucas say signers of the declaration of independence created the sense that war was inevitable?

Last Answer : By including the word "necessary" in the first paragraph.

Should I go through a travel agent to book a vacation at a Cabo San Lucas resort?

Description : Should I go through a travel agent to book a vacation at a Cabo San Lucas resort?

Last Answer : If you do not like to plan out your vacations, then you should go through a travel agent. If you like to plan it, then you should go online and search for great deals on your vacation then book it yourself.

Which resorts in Cabo San Lucas have a fantastic view of the water?

Description : Which resorts in Cabo San Lucas have a fantastic view of the water?

Last Answer : There are many resorts in Cabo San Lucas with fantastic views of the ocean. These include Royal Solaris, Casa Dorado, Palmilla, Fiesta Americana Grande Los Cabos, Villa Del Arco, Esperanza, and Marquis Los ... los Cabos and the Hilton Cabo San Lucas are overlooking the .Sea of Cortes in Los Cabos.

Where are the beachfront resorts in Cabo San Lucas?

Description : Where are the beachfront resorts in Cabo San Lucas?

Last Answer : Yes, almost all of the resorts in Cabo San Lucas are located on the beachfront. There is one or two that are not but they are within walking distance of the beach.

Cabo San Lucas: Serenity and Relaxation?

Description : Cabo San Lucas: Serenity and Relaxation?

Last Answer : Travelers looking for a relaxing stay, away from nightlife, at a Cabo San Lucas resort hotel should look for all-inclusive packages at resorts near San Jose Del Cabo. These hotels offer beautifully ... also minutes from old town San Jose Del Cabo, a completely different way to experience Mexico.

come talk lucas?

Description : come talk lucas?

Last Answer : im MomGetTheCamim _bigboylemon but u might know me as noTamiim kholio but u might know me as sykipzim mildlysweatyim TheCleb

Does Josh Lucas have kids?

Description : Does Josh Lucas have kids?

Last Answer : Yes, Josh Lucas has 1 kids

How many awards has George Lucas won?

Description : How many awards has George Lucas won?

Last Answer : He never won an Oscar, but he did receive the Irving G. Thalberg Award in 1991.

If you live in Tijuana which direction would take you to cape San Lucas?

Description : If you live in Tijuana which direction would take you to cape San Lucas?

Last Answer : South

An ad that stresses "Demand the real Lucas **** Cooler; accept no substitutes!" is best geared for which stage of the product life cycle? A)Introduction B)Growth C)Maturity D)Decline

Description : An ad that stresses "Demand the real Lucas Wine Cooler; accept no substitutes!" is best geared for which stage of the product life cycle? A)Introduction B)Growth C)Maturity D)Decline

Last Answer : B)Growth

What is a limiting reagent ?

Description : What is a limiting reagent ?

Last Answer : In a reaction, the number of molecules that do not remain in the reactant is called limiting reactant.

Alcoholic OH) group can be identified by : (1) Tolien's Reagent Test (2) Esterification Test (3) FeCl3 Test (4) Ozonolysis Reaction

Description : Alcoholic OH) group can be identified by : (1) Tolien's Reagent Test (2) Esterification Test (3) FeCl3 Test (4) Ozonolysis Reaction

Last Answer : (3) FeCl3 Test Explanation: As phenol is an aromatic alcohol, so FeCl3 test is a test for alcohol and esterificaton test is also a test for alcohol. The ferric chloride test is used to determine the presence or absence of phenols in a given sample (for instance natural phenols in a plant extract).

What is Grignard reagent?

Description : What is Grignard reagent?

Last Answer : Ans. Alkyl magnesium halides

Write the name of reagent use for initating a free radical chain reaction.

Description : Write the name of reagent use for initating a free radical chain reaction. 

Last Answer : Ans: Tertiary Butyle peroxaide. 

Benzaldehyde does not react with (a) Tollens' reagent (b) Phenylhydrazine (c) Fehling's solution (d) NaHSO3

Description : Benzaldehyde does not react with (a) Tollens' reagent (b) Phenylhydrazine (c) Fehling's solution (d) NaHSO3

Last Answer : Fehling's solution

The reagent that can be used to differentiate an aldose and a ketose is : (a) Bromine water (b) Fehling's solution (c) Tollens' reagent (d) None of these

Description : The reagent that can be used to differentiate an aldose and a ketose is : (a) Bromine water (b) Fehling's solution (c) Tollens' reagent (d) None of these

Last Answer : Bromine water

Which of the following compounds reduces Tollens' reagent? (a) Glucose (b) Sucrose (c) Methanol (d) Acetic acid

Description : Which of the following compounds reduces Tollens' reagent? (a) Glucose (b) Sucrose (c) Methanol (d) Acetic acid

Last Answer : Glucose

Which of the following statements is false about sucrose? (a) It is also called table sugar. (b) It may be fermented by yeast to produce alcohol. (c) It reduces Fehling's solution. (d) It does not reduce Tollens' reagent.

Description : Which of the following statements is false about sucrose? (a) It is also called table sugar. (b) It may be fermented by yeast to produce alcohol. (c) It reduces Fehling's solution. (d) It does not reduce Tollens' reagent.

Last Answer : It reduces Fehling's solution

Which of the following compounds will dissolve in aqueous NaOH after undergoing reaction with Hinsberg reagent? (a) CH3CH2NH2 (b) (CH3CH2)2NH (c) (CH3CH2)3N (d) (CH3)3N

Description : Which of the following compounds will dissolve in aqueous NaOH after undergoing reaction with Hinsberg reagent? (a) CH3CH2NH2 (b) (CH3CH2)2NH (c) (CH3CH2)3N (d) (CH3)3N

Last Answer : CH3CH2NH2

Hinsberg's reagent is (a) Pd + BaSO4 (b) p-Toluenesulfonic acid (c) NH2NH2 + KOH (d) Benzenesulfonic acid

Description : Hinsberg's reagent is (a) Pd + BaSO4 (b) p-Toluenesulfonic acid (c) NH2NH2 + KOH (d) Benzenesulfonic acid

Last Answer : Benzenesulfonic acid

Which reaction does not yield an ester as one of the products?(a) A carboxylic acid is heated with an alcohol (b) A Grignard reagent is added to a carboxylic acid (c) An acid halide is treated with an alcohol (d) An alkyl halide is heated with the salt of a carboxylic acid

Description : Which reaction does not yield an ester as one of the products? (a) A carboxylic acid is heated with an alcohol (b) A Grignard reagent is added to a carboxylic acid (c) An acid halide is treated with an alcohol (d) An alkyl halide is heated with the salt of a carboxylic acid

Last Answer : A Grignard reagent is added to a carboxylic acid

Which of the following compounds will react with Tollens' reagent to give metallic silver? (a) Formic acid (b) Ethyl alcohol (c) Acetic acid (d) Acetone

Description : Which of the following compounds will react with Tollens' reagent to give metallic silver? (a) Formic acid (b) Ethyl alcohol (c) Acetic acid (d) Acetone

Last Answer : Formic acid

Acetaldehyde on treatment with Tollens' reagent gives a precipitate of (a) Ag (b) AgNO3 (c) Cu2O (d) None of these

Description : Acetaldehyde on treatment with Tollens' reagent gives a precipitate of (a) Ag (b) AgNO3 (c) Cu2O (d) None of these

Last Answer : Ag

Which of the following reagents will react readily with both aldehydes and ketones? (a) Grignard reagent (b) Fehling's reagent (c) Tollens' reagent (d) Schiff's reagen

Description : Which of the following reagents will react readily with both aldehydes and ketones? (a) Grignard reagent (b) Fehling's reagent (c) Tollens' reagent (d) Schiff's reagen

Last Answer : Grignard reagent

Which of the following alcohols can be prepared by the reaction of methyl formate with excess Grignard reagent? (a) 1-pentanol (b) 2-pentanol (c) 3-pentanol (d) 2-methyl-2-pentanol

Description : Which of the following alcohols can be prepared by the reaction of methyl formate with excess Grignard reagent? (a) 1-pentanol (b) 2-pentanol (c) 3-pentanol (d) 2-methyl-2-pentanol

Last Answer : 3-pentanol

Which of the following is correct? (a) When a Grignard reagent reacts with a ketone, the addition product is a primary alcohol. (b) When a Grignard reagent reacts with a ketone, the addition product is a secondaryalcoho(c) When a Grignard reagent reacts with a aldehyde, the addition product is a tertiary alcohol. (d) None of the above are correct.l

Description : Which of the following is correct? (a) When a Grignard reagent reacts with a ketone, the addition product is a primary alcohol. (b) When a Grignard reagent reacts with a ketone, the addition product ... with a aldehyde, the addition product is a tertiary alcohol. (d) None of the above are correct.

Last Answer : None of the above are correct.

Which is the best reagent to accomplish the following conversion? (a) Conc. H2SO4 (b) Na (c) Conc.HC(d) Mg, then H2Ol

Description : Which is the best reagent to accomplish the following conversion? (a) Conc. H2SO4 (b) Na (c) Conc. HCl (d) Mg, then H2O

Last Answer : Mg, then H2O

1-Butyne can be distinguished from 2-butyne by using (a) potassium permanganate (b) bromine in CCl4 (c) Tollens' reagent (d) chlorine in CCl4

Description : 1-Butyne can be distinguished from 2-butyne by using (a) potassium permanganate (b) bromine in CCl4 (c) Tollens' reagent (d) chlorine in CCl4

Last Answer : chlorine in CCl4