Ethanol and Methanol are miscible in water due to

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

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Description : Asserion (A): Ethanol is miscible in all proportions with water Reason (R): Hydrogen bond is formed between water and alcohol molecules.

Last Answer : Asserion (A): Ethanol is miscible in all proportions with water Reason (R): Hydrogen bond is formed between ... is false D. A is false but R is true

Description : Are water and ethanol miscible?

Last Answer : Yes, in all proportions. Wine, beer and other alcoholic drinksare all such mixtures.

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

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

Last Answer : D. Saliva

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

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)

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.

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

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

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

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

Last Answer : 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

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

Last Answer : 95% Ethanol

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

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

Last Answer : ANSWER: Z -- METHANOL

Description : Inert gases are - (1) Miscible with water (2) Not stable (3) Chemically uncreative (4) Chemically very active

Last Answer : (3) Chemically uncreative Explanation: An inert gas is a gas which does not undergo chemical reactions since their valence shells are filled, meaning they don't normally form chemical bonds with other ... inert gases, also called noble gases, are argon, helium, neon, krypton, xenon and radon.

Description : Steam distillation is not recommended to be used, if the (A) Azeotropic mixture is to be separated and the final product is miscible with water (B) Liquids decompose, if ... unstable or has the tendency to react with other components associated with it, at the boiling temperature

Last Answer : (A) Azeotropic mixture is to be separated and the final product is miscible with water

Description : Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which (A) A homogeneous solution (say of phenol water) is ... a decreasing trend (C) Two liquids are completely separated into two layers (D) None of these

Last Answer : (A) A homogeneous solution (say of phenol water) is formed

Description : Inert gases are (1) Miscible with water (2) Not stable (3) Chemically unreactive (4) Chemically very active

Last Answer : Chemically unreactive

Description : Water is not effective in extinguishing a fire caused by petrol because (1) the flame is too hot for water to cool it down (2) water and petrol react chemically (3) water and petrol are ... 4) water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn

Last Answer : water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn

Description : What liquids are miscible to oil?

Last Answer : Need answer

Description : Distillation can be used to separate solutions of miscible liquids because ?

Last Answer : Distillation works because liquids boil at different temperatures. Roughly speaking, in order to separate two liquids, you should heat the mixture to a temperature where one of the liquids (but not the ... boil off, leaving the second liquid behind; you can collect the first liquid in a condenser.

Description : Equal volumes of aniline and diesel oil when mixed at room temperature (during summer) was found to be completely miscible. It means that the aniline point of the diesel is __________ the room temperature. (A) ... (B) Less than (C) Same as (D) Either more or less; depends on the room temperature

Last Answer : (C) Same as

Description : Aniline point is the temperature at which (A) Equal weight of diesel & the aniline are completely miscible (B) Equal weight of aniline & the test sample are completely miscible (C) Equal volume of aniline & the test sample are completely miscible (D) Aniline vaporises

Last Answer : (C) Equal volume of aniline & the test sample are completely miscible

Description : Ribbon blenders are exclusively meant for (A) Blending miscible liquids (B) Non-flowing powder and thin pastes (C) Bath mixing (D) Continuous mixing

Last Answer : (B) Non-flowing powder and thin pastes

Description : A gravity decanter is meant for the separation of two __________ density. (A) Immiscible liquids of different (B) Miscible liquids of different (C) Immiscible liquids of same (D) Miscible liquids of same

Last Answer : (A) Immiscible liquids of different

Description : Sides of equilateral-triangular co-ordinates (on which ternary liquid system is plotted) represent (A) A pure component (B) A binary mixture (C) A ternary mixture (D) Partially miscible ternary system

Last Answer : (B) A binary mixture

Description : A plait point is the point on the solubility curve, where the tie line reduces to a point. What is the number of plait point for a ternary system containing two pairs of partially miscible liquids? (A) 0 (B) 1 (C) 2 (D) 3

Last Answer : (A) 0

Description : What is the number of degree of freedom for a system of two miscible non-reacting species in vapor-liquid equilibrium forming an azeotrope? (A) 0 (B) 2 (C) 1 (D) 3

Last Answer : (C) 1

Description : What is the degree of freedom for two miscible (non-reacting) substances in vapor-liquid equilibrium forming an azeotrope? (A) 0 (B) 1 (C) 2 (D) 3

Last Answer : (C) 2

Description : Fugacity is a measure of the (A) Escaping tendencies of the same substance in different phases of a system (B) Relative volatility of a mixture of two miscible liquids (C) Behaviour of ideal gases (D) None of these

Last Answer : (A) Escaping tendencies of the same substance in different phases of a system

Description : A solute distributes itself between two non-miscible solvents in contact with each other in such a way that, at a constant temperature, the ratio of its concentrations in two layers is constant, irrespective of ... B) Followed from Margules equation (C) A corollary of Henry's law (D) None of these

Last Answer : (A) The distribution law

Description : In the diving apparatus, helium is used along with oxygen, because it is (A) Easily available (B) Not soluble in blood at high pressure (C) Lighter than nitrogen (D) Completely miscible with oxygen

Last Answer : (B) Not soluble in blood at high pressure

Description : When using a pumping loop to mix two miscible fluids in a tank, when can the content are considered well mixed?

Last Answer : A rule of thumb is to turn the tank over three (3) times and then sample the tank for mixture properties. By “turn the tank over”, we mean to force the entire volume of the tank through the pump at least three times. More turnovers may be necessary, but three times is a good starting point.

Description : Copper is completely miscible with (A) nickel. (B) gold. (C) hydrogen. (D) lead.

Last Answer : (B) gold.

Description : Helium is added to the oxygen supply of deep sea divers because it is (1) less poisonous than nitrogen (2) Lighter than nitrogen (3) Readily miscible with oxygen (4) less soluble in blood than nitrogen at high pressure

Last Answer : less soluble in blood than nitrogen at high pressure

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.

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.

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

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

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

Description : Lack of qxygen in muscle often leads to cramps among Athletes . This results due to : (a) conversion of Pyruvate to Ethanol (b) conversion of Pyruvate to Glucose (c) conversion of Glucose to Pyruvate (d) conversion of Pyruvate to Lactic acid

Last Answer : (b) conversion of Pyruvate to Glucose

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) .

Last Answer : Methanol signal Hcho

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. ;-)

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.

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

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)`

Description : What is methanol is freezing point?

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