What is the signal of methanol ?

by

1 Answer

Answer :

Methanol signal Hcho
by

Related questions

What are the signals of the functional group present in methanol acid ?

Description : What are the signals of the functional group present in methanol acid ?

Last Answer : The active group present in methanol acid is the alcoholic hydroxyl group ( -OH) .

Can methanol be in ****?

Description : I have an unopened bottle of wine at home that was bought around the methanol case (around that date). Do you think there may be methanol in Penny wine? If I can read this wine.

Last Answer : Wine naturally contains methanol (just as ethanol is produced by fermentation) - but in natural wine it is negligible, due to the ethanol contained, this amount is insignificant for the consumer. As for the "methanol ... from it. So - if "Penny wine" is really wine, you have nothing to fear. ;-)

4-Hydroxy-4-methylpentanal on heating with excess of methanol in the presence of an acid catalyst followed by dehydration of the products gives

Description : 4-Hydroxy-4-methylpentanal on heating with excess of methanol in the presence of an acid catalyst followed by dehydration of the products gives

Last Answer : 4-Hydroxy-4-methylpentanal on heating with excess of methanol in the presence of an acid catalyst followed by ... of the products gives A. B. C. D.

23 g of sodium will react with methanol to give

Description : 23 g of sodium will react with methanol to give

Last Answer : 23 g of sodium will react with methanol to give A. one mole of oxygen B. 1/2 mole of hydrogen C. one mole of hydrogen D. 1/4 mole of oxygen

Methanol is industrially prepared by

Description : Methanol is industrially prepared by

Last Answer : Methanol is industrially prepared by A. Oxidation of `CH_(4)` by steam at `900^(@)C` B. Reduction of `HCHO` ... using `H_(2)` and `ZnO - Cr_(2)O_(3)`

Ethanol and Methanol are miscible in water due to

Description : Ethanol and Methanol are miscible in water due to

Last Answer : Ethanol and Methanol are miscible in water due to A. Dissociation of water B. Their acidic character C. Allyl groups D. Hydrogen bonding

What is methanol is freezing point?

Description : What is methanol is freezing point?

Last Answer : Methanol will freeze at -97 degrees celcius.

Is a methanol is burned and leaves a residue a chemical change?

Description : Is a methanol is burned and leaves a residue a chemical change?

Last Answer : Burning (an oxidation reaction) is a chemical change,

Methanol poisoning?

Description : Methanol poisoning?

Last Answer : DefinitionMethanol is a non-drinking type of alcohol used for industrial and automotive purposes. This article discusses poisoning from an overdose of methanol.This is ... all inclusive.SymptomsSymptoms may include:Airway and lungs Breathing difficultyNo breathingEyes BlindnessBlurred visionDilation

How much heat is needed to raise 46 g of methanol from 88k from 99k?

Description : How much heat is needed to raise 46 g of methanol from 88k from 99k?

Last Answer : I cannot answer this question.

Which one of the following raw material is used in the manufacture of foam used in mattresses cushions etc. A. Phenol B. Urea C. Methanol D. Ethanol

Description : Which one of the following raw material is used in the manufacture of foam used in mattresses cushions etc. A. Phenol B. Urea C. Methanol D. Ethanol

Last Answer : ANSWER: A

The statement that is NOT correct is (a) The breaking of complex and big molecules into simpler and smaller molecules by micro-organisms is called fermentation. (b) ****** contains high percentage of methanol. (c) Root **** does not contain alcohol. (d) Alcoholic fermentation involves the conversion of sugars into alcohol by the use of micro-organisms.

Description : The statement that is NOT correct is (a) The breaking of complex and big molecules into simpler and smaller molecules by micro-organisms is called fermentation. (b) Whisky contains high ... d) Alcoholic fermentation involves the conversion of sugars into alcohol by the use of micro-organisms.

Last Answer : Ans:(b)

The excessive and chronic use of which of the drug cause uncontrollable trembling, unable to converse, and a victim of terrifying hallucinations? (a) Ethanol (b) Methanol (c) Isopropyl alcohol (d) Codeine

Description : The excessive and chronic use of which of the drug cause uncontrollable trembling, unable to converse, and a victim of terrifying hallucinations? (a) Ethanol (b) Methanol (c) Isopropyl alcohol (d) Codeine

Last Answer : Ans:(a)

Which one of the following mixtures is homogeneous? (1) Starch and sugar (2) Methanol and water (3) Graphite and charcoal (4) Calcium carbonate and calcium bicarbonate

Description : Which one of the following mixtures is homogeneous? (1) Starch and sugar (2) Methanol and water (3) Graphite and charcoal (4) Calcium carbonate and calcium bicarbonate

Last Answer : (2) Methanol and water Explanation: A homogeneous mixture is a solid, liquid, or gaseous mixture that has the same proportions of its components throughout any given sample.

Methanol cannot be dried with anhydrous CaCl2 because - (1) CaCl2 dissolves in it (2) it is not good dehydrating agent (3) it forms a solid CaCl2 × 4CH3OH (4) it reacts with CH3OH

Description : Methanol cannot be dried with anhydrous CaCl2 because - (1) CaCl2 dissolves in it (2) it is not good dehydrating agent (3) it forms a solid CaCl2 × 4CH3OH (4) it reacts with CH3OH

Last Answer : (3) it forms a solid CaCl2 × 4CH3OH

This substance is commonly known as alcohol and is also used in medicines such as tincture iodine, cough syrups, and many tonics. This is - (1) Propanol (2) Butane (3) Ethanol (4) Methanol

Description : This substance is commonly known as alcohol and is also used in medicines such as tincture iodine, cough syrups, and many tonics. This is - (1) Propanol (2) Butane (3) Ethanol (4) Methanol

Last Answer : (3) Ethanol Explanation: Ethanol is commonly called alcohol and is the active ingredient of all alcoholic drinks. Also, it is a good solvent and is used in medicines such as tincture iodine, cough syrups, and many tonics.

The chemical used in enabalining biological materials is – (1) formaldehyde in water (2) formaldehyde in methanol (3) ethylene glycol (4) gaseous formaldehyde

Description : The chemical used in enabalining biological materials is – (1) formaldehyde in water (2) formaldehyde in methanol (3) ethylene glycol (4) gaseous formaldehyde

Last Answer : (1) formaldehyde in water Explanation: Embalming fluids use formaldehyde as a preservative. Formaldehyde is the simplest aldehyde with the chemical formula HCHO. Formalin is a solution of formaldehyde ... based embalming fluids are much kinder to the environment than those used in previous years.

What is another name of Methyl alcohol or methanol?

Description : What is another name of Methyl alcohol or methanol?

Last Answer : Wood spirit

In solutizer sweetening process, solutizer solution used is (A) Methanol in Unisol process (B) Naphthenic acid in Mercapsol process (C) Both (A) and (B)

Description : In solutizer sweetening process, solutizer solution used is (A) Methanol in Unisol process (B) Naphthenic acid in Mercapsol process (C) Both (A) and (B)

Last Answer : (C) Both (A) and (B)

In sweetening process, solutizer agent used with caustic alkali is (A) Potassium isobutyrate(B) Sodium plumbite(C) Methanol(D) Phenol

Description : In sweetening process, solutizer agent used with caustic alkali is (A) Potassium isobutyrate (B) Sodium plumbite (C) Methanol (D) Phenol

Last Answer : (A) Potassium isobutyrate

The most suitable solvent for deasphalting vacuum residue is (A) Propane (B) Methyl ethyl ketone (C) Doctor's solution (D) Methanol amine

Description : The most suitable solvent for deasphalting vacuum residue is (A) Propane (B) Methyl ethyl ketone (C) Doctor's solution (D) Methanol amine

Last Answer : (B) Methyl ethyl ketone

Why pcc cannot oxidise methanol to methane and while KMnO4 can ?

Description : Why pcc cannot oxidise methanol to methane and while KMnO4 can ? 

Last Answer : Ans. This is because pcc is a mild oxidising agent and can oxide methanol to methanal only. While KMnO4 being strong oxidising agent oxidises it to methanoic acid.

Why pcc cannot oxidise methanol to methane and while KMnO4 can ?

Description : Why pcc cannot oxidise methanol to methane and while KMnO4 can ?

Last Answer : This is because pcc is a mild oxidising agent and can oxide methanol to methanal only. While KMnO4 being strong oxidising agent oxidises it to methanoic acid. 

Phenol has smaller dipole moment than methanol. (OR) Why are dipole moments of phenols smaller than dipole moments of alcohols ?

Description : Phenol has smaller dipole moment than methanol. (OR) Why are dipole moments of phenols smaller than dipole moments of alcohols ?

Last Answer : Due to electron-withdrawing effect of the benzene ring, the C — O bond in phenol is less polar but in case of methanol due to electron-donating effect of — CH3 group, C — O bond is more polar.

What is the immediate treatment for methanol poisoning?

Description : What is the immediate treatment for methanol poisoning? 

Last Answer : Methanol is oxidised by alcohol dehydrogenase to formaldehyde which causes the acute toxicity. Antidote to methanol poisoning is ethanol which is the natural substrate for alcohol dehydrogenase. So ethanol is preferentially utilised.

DNA precipitation out of a mixture of biomolecules can be achieved by treatment with (a) chilled chloroform (b) isopropanol (c) chilled ethanol (d) methanol at room temperature.

Description : DNA precipitation out of a mixture of biomolecules can be achieved by treatment with (a) chilled chloroform (b) isopropanol (c) chilled ethanol (d) methanol at room temperature.

Last Answer : (c) chilled ethanol

When yeast ferments glucose, the products obtained are (a) ethanol and CO2 (b) methanol and CO2 (c) ethanol and water (d) water and CO2.

Description : When yeast ferments glucose, the products obtained are (a) ethanol and CO2 (b) methanol and CO2 (c) ethanol and water (d) water and CO2.

Last Answer : a) ethanol and CO2

From among the following, choose one which is not an exothermic process. (A) Methanol synthesis (B) Catalytic cracking (C) Ammonia synthesis (D) Oxidation of sulphu

Description : From among the following, choose one which is not an exothermic process. (A) Methanol synthesis (B) Catalytic cracking (C) Ammonia synthesis (D) Oxidation of sulphu

Last Answer : (B) Catalytic cracking

A typical example of an exothermic reversible reaction conducted at high pressure in industry is (A) Dehydration of ethanol (B) Methanol synthesis (C) Reformation of methane (D) Polymerisation of ethylene

Description : A typical example of an exothermic reversible reaction conducted at high pressure in industry is (A) Dehydration of ethanol (B) Methanol synthesis (C) Reformation of methane (D) Polymerisation of ethylene

Last Answer : (A) Dehydration of ethanol

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

In the conversion of **** to vinegar (a) Ethanol is oxidized to acetic acid (b) Ethanol is reduced to acetic acid (c) Methanol is oxidized to acetic acid (d) Methanol is reduced to acetic acid

Description : In the conversion of wine to vinegar (a) Ethanol is oxidized to acetic acid (b) Ethanol is reduced to acetic acid (c) Methanol is oxidized to acetic acid (d) Methanol is reduced to acetic acid

Last Answer : Ethanol is oxidized to acetic acid

Which of the following compounds does not give a positive iodoform test : (a) Ethanol (b) Ethanal (c) Methanol (d) Propanone

Description : Which of the following compounds does not give a positive iodoform test : (a) Ethanol (b) Ethanal (c) Methanol (d) Propanone

Last Answer : Methanol

Which of the following compounds will give an iodoform test? (a) Benzoic acid (b) Ethanol (c) Benzyl chloride (d) Methanol

Description : Which of the following compounds will give an iodoform test? (a) Benzoic acid (b) Ethanol (c) Benzyl chloride (d) Methanol

Last Answer : Ethanol

The reaction of ethanal with one equivalent of methanol and a trace of an acid will give (a) Acetal (b) Hemiacetal (c) Ketal (d) Hemiketa

Description : The reaction of ethanal with one equivalent of methanol and a trace of an acid will give (a) Acetal (b) Hemiacetal (c) Ketal (d) Hemiketa

Last Answer : Hemiacetal

The product of the reaction of ethylene oxide with acidic methanol is (a) CH3OCH2CH2OH (b) CH3CH2CH2CH2OH (c) HOCH2CH2OH (d) CH3CH2OCH2CH3

Description : The product of the reaction of ethylene oxide with acidic methanol is (a) CH3OCH2CH2OH (b) CH3CH2CH2CH2OH (c) HOCH2CH2OH (d) CH3CH2OCH2CH3

Last Answer : CH3OCH2CH2OH

Rectified spirit is (a) 100% Ethanol (b) 90% Ethanol (c) 100% Methanol (d) 95% Ethanol

Description : Rectified spirit is (a) 100% Ethanol (b) 90% Ethanol (c) 100% Methanol (d) 95% Ethanol

Last Answer : 95% Ethanol

Methanol is known as : (a) Rubbing alcohol (b) Grain alcohol (c) Wood alcohol (d) Denatured alcohol

Description : Methanol is known as : (a) Rubbing alcohol (b) Grain alcohol (c) Wood alcohol (d) Denatured alcohol

Last Answer : Wood alcohol

Methane can be prepared by : (a) the reaction of iodomethane with sodium in dry ether (b) the reaction of methanol with concentrated H2SO4 (c) the reaction of sodium methanoate with soda-lime (d) the reaction of sodium ethanoate with soda-lime

Description : Methane can be prepared by : (a) the reaction of iodomethane with sodium in dry ether (b) the reaction of methanol with concentrated H2SO4 (c) the reaction of sodium methanoate with soda-lime (d) the reaction of sodium ethanoate with soda-lime

Last Answer : the reaction of sodium ethanoate with soda-lime

Carbon tetrachloride (CCl4 ) is the starting raw material for the manufacture of (A) Trichloroethylene (B) Perchloroethylene (C) Parathion (D) Methanol

Description : Carbon tetrachloride (CCl4 ) is the starting raw material for the manufacture of (A) Trichloroethylene (B) Perchloroethylene (C) Parathion (D) Methanol

Last Answer : (B) Perchloroethylene

At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous solution of methanol at 60° C exerts a pressure of 39.223 kPa; the liquid phase and vapour phase mole fractions of methanol are 0.1686 and 0.5714 respectively. Activity co-efficient of methanol is (A) 1.572 (B) 1.9398 (C) 3.389

Description : At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous solution of methanol at 60° C exerts a pressure of 39.223 kPa; the liquid phase and vapour phase mole ... respectively. Activity co-efficient of methanol is (A) 1.572 (B) 1.9398 (C) 3.389

Last Answer : (A) 1.572

Which of the following is an example of biological fluid? A. Ethanol B. Water C. Methanol D. Saliva

Description : Which of the following is an example of biological fluid? A. Ethanol B. Water C. Methanol D. Saliva

Last Answer : D. Saliva

Which of the following is a specific inhibitor of the enzyme alcohol dehydrogenase and is useful in the treatment of methanol poisoning: A. Disulfiram B. Ethylene glycol C. Calcium leucovorin D. Fomepizole

Description : Which of the following is a specific inhibitor of the enzyme alcohol dehydrogenase and is useful in the treatment of methanol poisoning: A. Disulfiram B. Ethylene glycol C. Calcium leucovorin D. Fomepizole

Last Answer : D. Fomepizole

Ethanol is used in methanol poisoning because it: A. Antagonises the actions of methanol B. Stimulates the metabolism of methanol and reduces its blood level C. Inhibits the metabolism of methanol and generation of toxic metabolite D. Replenishes the folate stores depleted by methano

Description : Ethanol is used in methanol poisoning because it: A. Antagonises the actions of methanol B. Stimulates the metabolism of methanol and reduces its blood level C. Inhibits the metabolism of methanol and generation of toxic metabolite D. Replenishes the folate stores depleted by methano

Last Answer : C. Inhibits the metabolism of methanol and generation of toxic metabolite

In the United States, Grain alcohol is made: w) from coal x) by fermenting starches y) from methanol z) from vinegar e) by fermenting acetic acid

Description : In the United States, Grain alcohol is made: w) from coal x) by fermenting starches y) from methanol z) from vinegar e) by fermenting acetic acid

Last Answer : ANSWER: X -- BY FERMENTING STARCHES

Which of the following would be most acidic? w) phenol x) methanol y) acetic acid z) methyl amine

Description : Which of the following would be most acidic? w) phenol x) methanol y) acetic acid z) methyl amine

Last Answer : ANSWER: C -- ACETIC ACID

The alcohol with lowest molecular weight is: w) isopropanol x) propanol y) ethanol z) methanol

Description : The alcohol with lowest molecular weight is: w) isopropanol x) propanol y) ethanol z) methanol 

Last Answer : ANSWER: Z -- METHANOL

The substance whose chemical formula is CH3OH is known as w) carbonated water x) grain alcohol y) potable alcohol z) methanol

Description : The substance whose chemical formula is CH3OH is known as w) carbonated water x) grain alcohol y) potable alcohol z) methanol

Last Answer : ANSWER: Z -- METHANOL

The chemical used in embalming biological materials is (1) formaldehyde in water (2) formaldehyde in methanol (3) ethylene glycol (4) gaseous formaldehyde

Description : The chemical used in embalming biological materials is (1) formaldehyde in water (2) formaldehyde in methanol (3) ethylene glycol (4) gaseous formaldehyde

Last Answer : formaldehyde in water