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

1 Answer

Answer :

3-pentanol

Related questions

Description : Grignard reagent is chemically known as (A) Ethyl magnesium chloride (B) Methyl magnesium chloride (C) Dichlorophenol (D) Monochloroacetic acid

Last Answer : (A) Ethyl magnesium chloride

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

Description : What is Grignard reagent?

Last Answer : Ans. Alkyl magnesium halides

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

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.

Description : Acetic acid reacts with methyl alcohol in the presence of an acid catalyst to give (a) Methyl formate (b) Ethyl formate (c) Methyl acetate (d) Ethyl acetate

Last Answer : Methyl acetate

Description : What is the major product from the acid-catalyzed hydration of 2-methyl-2- pentene? (a) 2-methylpentane (b) 2-methyl-1-pentanol (c) 2-methyl-2-pentanol (d) 2-methyl-3-pentanol

Last Answer : 2-methyl-2-pentanol

Description : Which of the following is a secondary alcohol? (a) 3-ethyl-2-methyl-1-pentanol (b) 3-ethyl-2-methyl-2-heptanol (c) 3-methyl-2-hexanol (d) 1-hexanol

Last Answer : 3-methyl-2-hexanol

Description : Which of the following compounds does not have the molecular formula C6H14O? (a) 2-hexanol (b) 3-methyl-2-pentanol (c) 3-methyl-3-pentanol (d) cyclohexano

Last Answer : cyclohexano

Description : What is the IUPAC name for the following structure? CH3CH(CH3)CH2CH(OH)CH3 (a) 4-methyl-2-pentanol (b) 2-methyl-2-hexanol (c) 2-methyl-4-pentanol (d) 2-methyl-3-pentanol

Last Answer : 4-methyl-2-pentanol

Description : What is the major product from the acid-catalyzed hydration of 2-methyl-2- pentene? (a) 2-methylpentane (b) 2-methyl-1-pentanol (c) 2-methyl-2-pentanol (d) 2-methyl-3-pentanol

Last Answer : 2-methyl-2-pentanol

Description : The major product of acid-catalyzed dehydration of 3-pentanol is : (a) 1-Pentene (b) 2-Methyl-1-butene (c) 2-Pentene (d) 3-Methyl-1-butene

Last Answer : 2-Pentene

Description : When formaldehyde and potassium hydroxide are heated, we get (1) Acetylene (2) Methyl alcohol (3) Methane (4) Ethyl formate

Last Answer : Methyl alcohol

Description : Chemical name of Grignard reagent is (A) Sodium thiosulphate (B) Ethyl magnesium chloride (C) Sodium sulphite (D) Sodium bicarbonate

Last Answer : (B) Ethyl magnesium chloride

Description : What is Isomerism exhibeted by acetic acid and methyl formate?

Last Answer : Functional group

Description : What is Isomerism exhibeted by acetic acid and methyl formate?

Last Answer : Functional group

Description : Which of the following alcohols will give a yellow precipitate of iodoform with iodine and dilute NaOH solution? (a) 1-Propanol (b) 2-Propanol (c) 1-Butanol (d) 2-Methyl-2-propanol

Last Answer : 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

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

Description : A hydrocarbon, C6H12, on ozonolysis gives only one product which does not give silver mirror with Tollens' reagent. The hydrocarbon is (a) 2,3-Dimethyl-2-butene (b) 2-Hexene (c) 2-Methyl-2-pentene (d) 3-Hexene

Last Answer : 2,3-Dimethyl-2-butene

Description : Grignard reagents do not show any reaction with (a) Alkoxyalkanes (b) Alkanones (c) Alkyl alkanoates (d) Acyl halides

Last Answer : Alkoxyalkanes

Description : The disappearance of the purple color of KMnO4 in its reaction with alkene is known as (a) Markovnikov test (b) Grignard test (c) Baeyer test (d) Wurtz test

Last Answer : Baeyer test

Description : Waxes contain higher alcohols named as (A) Methyl (B) Ethyl (C) Phytyl (D) Cetyl

Last Answer : Answer : D

Description : When chloroform is heated with aqueous NaOH, it gives (a) Formic acid (b) Sodium formate (c) Acetic acid (d) Sodium acetate

Last Answer : Sodium formate

Description : Alcohol prepared by the distillation of wood is: (1) Propyl alcohol (2) Methyl alcohol (3) Ethyl alcohol (4) Glycerolx

Last Answer : (2) Methyl alcohol Explanation: Alcohol prepared by the distillation of wood is Methyl alcohol. It is also called wood spirit.

Description : Which of the following statements is false about toluene? (a) can be prepared by treating benzene with methyl chloride in the presence of AlCl3. (b) is converted to benzoic acid on refluxing with ... (d) can be nitrated with concentrated nitric acid to give a mixture of ortho and meta nitrotoluene.

Last Answer : can be nitrated with concentrated nitric acid to give a mixture of ortho and meta nitrotoluene

Description : Alcohol prepared by the distillation of wood is : (1) Propyl alcohol (2) Methyl alcohol (3) Ethyl alcohol (4) Glycerolx

Last Answer : Methyl alcohol

Description : Diethyl ether on heating with excess concentrated HI gives (a) Methyl iodide (b) Isopropyl iodide (c) Ethyl iodide (d) n-Propyl iodide

Last Answer : Ethyl iodide

Description : Explain why Grignard reagents do not reacts with alkanes.

Last Answer : Ans. In alkanes , the C – H bond has very little polarity . The hydrogen cannot be abstracted by the Grignard reagent.

Description : Why are Grignard reagents soluble in ether but not in benzene ? 

Last Answer : Ans. Grignard reagents from co-ordination complexes with ether but not benzene since the former has lone pair of electrons but the later does not.

Description : Ketones react with Grignard reagents to form an addition product which on hydrolysis gives a (a) Primary alcohol (b) Tertiary alcohol (c) Secondary alcohol (d) Ketal

Last Answer : Tertiary alcohol

Description : Whose name is given to alkylmagnesium halides: w) Victor Grignard x) Daniel Rutherford y) Dmitri Mendeleev

Last Answer : ANSWER: W -- VICTOR GRIGNARD

Description : The modern atomic theory was conceived by : w) Victor Grignard x) Daniel Rutherford y) Svante Arrhenius z) John Dalton

Last Answer : ANSWER: Z -- JOHN DALTON

Description : . Hunsdiecker reaction is used for the preparation of (a) Alkyl chlorides and bromides (b) Alkyl nitrates and nitrites (c) Ketenes (d) Alcohols

Last Answer : Alkyl chlorides and bromides

Description : A mixed salt of calcium acetate formate on dry distillation gives

Last Answer : A mixed salt of calcium acetate formate on dry distillation gives A. ethanal B. methanal C. propanone D. All the three above

Description : A mixed salt of calcium acetate formate on dry distillation gives

Last Answer : A mixed salt of calcium acetate formate on dry distillation gives A. ethanal B. methanal C. propanone D. All the three above

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).

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

Last Answer : Ans: Tertiary Butyle peroxaide. 

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

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

Last Answer : FeCl3 Test

Description : A sol is prepared by addition to excess AgNO3 solution in KI solution. What charge is likely to develop on the colloidal particles ?

Last Answer : Ans. Positive. 

Description : When equal weight of methyl alcohol and ehtyl alcohol react with excess of sodium metal, the volume of `H_(2)` liberated is more in the case of

Last Answer : When equal weight of methyl alcohol and ehtyl alcohol react with excess of sodium metal, the volume of `H_(2 ... in both D. `H_(2)` is not liberated

Description : Assertion: Intermolecular dehydration is not useful for the perparation of unsymmetrical ethers from primary alcohols Reason: The reaction leads to a

Last Answer : Assertion: Intermolecular dehydration is not useful for the perparation of unsymmetrical ethers from primary ... . Assertion is false, Reason is true

Description : `R-OH + HX to R -X + H_(2)O` In the above reaction the reactivity of different alcohols is

Last Answer : `R-OH + HX to R -X + H_(2)O` In the above reaction the reactivity of different alcohols is ... `gt` secondary D. Secondary `gt` primary `gt` tertiary

Description : The reaction `2ROH + 2Na rarr 2RONa + H_(2)` suggests that alcohols are

Last Answer : The reaction `2ROH + 2Na rarr 2RONa + H_(2)` suggests that alcohols are A. basic B. amphoteric C. neutral D. acidic

Description : Pick out the wrong statement. (A) Linear polymers are formed from bifunctional groups only and are normally thermoplastic (B) Cross-linked branched chain polymers are either elastometric or ... (D) Dibasic acids reacts with dihydric alcohols to give polyesters using addition polymerisation reaction

Last Answer : D) Dibasic acids reacts with dihydric alcohols to give polyesters using addition polymerisation reaction

Description : `CH_(2)OHCH_(2)CH_(2)COCH_(3)overset("Reagent")rarr` `CH_(2)OHCH_(2)CH_(2)CH_(2)CH_(3)` Suitable reagent for above reaction is :-

Last Answer : `CH_(2)OHCH_(2)CH_(2)COCH_(3)overset("Reagent")rarr` `CH_(2)OHCH_(2)CH_(2)CH_(2)CH_(3)` Suitable reagent for ... /C_(2)H_(5)ONa` C. Red P + HI D. All

Description : In the reaction M g C I 2 plus 2 KO H - and gt MG OH 2 plus 2 K CI if 1 mole Mg CI 2 is added to 3 moles KO H what is the limiting reagent?

Last Answer : Feel Free to Answer

Description : What are the Reaction of amino acid using ninhydrin and biuret reagent?

Last Answer : What is the answer ?