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

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

Are water and ethanol miscible?

Description : Are water and ethanol miscible?

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

Asserion (A): The boiling point of `C_(2)H_(5)OH` is less than that of `H_(2)O` though the molecular weight of `C_(2)H_(5)OH` is more than that of wat

Description : Asserion (A): The boiling point of `C_(2)H_(5)OH` is less than that of `H_(2)O` though the molecular weight of `C_(2)H_(5)OH` is more than that of wat

Last Answer : Asserion (A): The boiling point of `C_(2)H_(5)OH` is less than that of `H_(2)O` though the molecular ... but R is false D. A is false but R is true

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

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

Last Answer : (B) gold.

When ethanol is treated with sodium metal :(a) Sodium ethoxide is formed(b) The sodium is oxidized(c) The acidic hydrogen in reduced(d) All these occu

Description : When ethanol is treated with sodium metal : (a) Sodium ethoxide is formed (b) The sodium is oxidized (c) The acidic hydrogen in reduced (d) All these occu

Last Answer : All these occu

Assertion (A): Micelles are formed by surfactant molecules above the critical micellization concentration `(CMC)` . Reason(R): The conductivity of a s

Description : Assertion (A): Micelles are formed by surfactant molecules above the critical micellization concentration `(CMC)` . Reason(R): The conductivity of a s

Last Answer : Assertion (A): Micelles are formed by surfactant molecules above the critical micellization concentration ` ... If both Assertion & Reason are False.

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 formed (B) Mutual solubility of the two liquids shows a decreasing trend (C) Two liquids are completely separated into two layers (D) None of these

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

Rate of evaporation of petrol is greater than that of water at room temperature because: A. petrol molecules do not have any hydrogen bond (Answer) B. petrol is an organic compound C. water molecules have small size D. petrol molecules have greater size

Description : Rate of evaporation of petrol is greater than that of water at room temperature because: A. petrol molecules do not have any hydrogen bond (Answer) B. petrol is an organic compound C. water molecules have small size D. petrol molecules have greater size

Last Answer : A. petrol molecules do not have any hydrogen bond (Answer)

Two samples of lead oxide were separately reduced to metallic lead by heating in a current of hydrogen. The weight of lead from one oxide was half the weight of lead obtained from the other oxide. The data illustrates [AMU 1983] (A) Law of reciprocal proportions (B) Law of constant proportions (C) Law of multiple proportions (D) Law of equivalent proportions

Description : Two samples of lead oxide were separately reduced to metallic lead by heating in a current of hydrogen. The weight of lead from one oxide was half the weight of lead obtained from the other oxide. ... (B) Law of constant proportions (C) Law of multiple proportions (D) Law of equivalent proportions

Last Answer : (C) Law of multiple proportions

The bond is a weak bond that can exist between poles of adjacent molecules. a. hydrogen b. ionic c. polar covalent d. non polar covalent

Description : The bond is a weak bond that can exist between poles of adjacent molecules. a. hydrogen b. ionic c. polar covalent d. non polar covalent

Last Answer : d. non polar covalent

Why do alcohols have boiling points much higher than hydrocarbons of similar molecular weight? (a) Alcohols have greater van der Waals attraction forces. (b) Alcohol molecules have greater molecular symmetry. (c) Hydrogen bonds must be broken in the process of volatilization. (d) Alcohols must overcome greater ionic forces in the process of volatilization.

Description : Why do alcohols have boiling points much higher than hydrocarbons of similar molecular weight? (a) Alcohols have greater van der Waals attraction forces. (b) Alcohol molecules have greater ... of volatilization. (d) Alcohols must overcome greater ionic forces in the process of volatilization.

Last Answer : Hydrogen bonds must be broken in the process of volatilization

Thiols are alcohol analogs in which the oxygen has been replaced by sulfur (e.g., CH3SH). Given the fact that the S–H bond is less polar than the O–H bond, which of the following statements comparing thiols and alcohols is correct? (a) Hydrogen bonding forces are weaker in thiols. (b) Hydrogen bonding forces are stronger in thiols. (c) Hydrogen bonding forces would be the same. (d) No comparison can be made without additional information

Description : Thiols are alcohol analogs in which the oxygen has been replaced by sulfur (e.g., CH3SH). Given the fact that the S-H bond is less polar than the O-H bond, which of the following ... (c) Hydrogen bonding forces would be the same. (d) No comparison can be made without additional information

Last Answer : Hydrogen bonding forces are weaker in thiols.

By what bond are water molecules formed ?

Description : By what bond are water molecules formed ?

Last Answer : Water molecules are formed by forming covalent bonds.

When radiation breaks an electron pair bond in a molecule and each fragment of the molecule gets one of the bond electrons, the molecular fragments that are formed are called: w) ions x) free radicals y) stable molecules z) gases

Description : When radiation breaks an electron pair bond in a molecule and each fragment of the molecule gets one of the bond electrons, the molecular fragments that are formed are called: w) ions x) free radicals y) stable molecules z) gases

Last Answer : ANSWER: X -- FREE RADICALS

Absolute alcohol is 1. Pure ethanol 2. 95% alcohol and 5% water 3. 200% proof 4. Rectified spirit The correct answers are: (a) 1 and 2 (b) 1 and 4 (c) 1 and 3 (d) 2 and 3

Description : Absolute alcohol is 1. Pure ethanol 2. 95% alcohol and 5% water 3. 200% proof 4. Rectified spirit The correct answers are: (a) 1 and 2 (b) 1 and 4 (c) 1 and 3 (d) 2 and 3

Last Answer : Ans:(c)

Ethanol containing 5% water is known as – (1) Dilute alcohol (2) Power alcohol (3) Rectified spirit (4) Absolute alcohol

Description : Ethanol containing 5% water is known as – (1) Dilute alcohol (2) Power alcohol (3) Rectified spirit (4) Absolute alcohol

Last Answer : (3) Rectified spirit Explanation: A rectified alcohol is highly concentrated ethanol which' has been purified by means of repeated distillation, a process that is called rectification. It typically contains 95% alcohol by volume and 5% water. Normally, ethanol with 5% water is known as pure alcohol.

Ethanol containing 5% water is known as – (1) rectified spirit (2) denatured spirit (3) methylated alcohol (4) power alcohol

Description : Ethanol containing 5% water is known as – (1) rectified spirit (2) denatured spirit (3) methylated alcohol (4) power alcohol

Last Answer : (1) rectified spirit Explanation: A rectified spirit, rectified alcohol, or neutral spirit is highly concentrated ethanol which has been purified by means of repeated distillation, a process that is ... drinks, in the production of liqueurs, for medicinal purposes, and as a household solvent.

Ethanol containing 5% water is known as : (1) Dilute alcohol (2) Power alcohol (3) Rectified spirit (4) Absolute alcohol

Description : Ethanol containing 5% water is known as : (1) Dilute alcohol (2) Power alcohol (3) Rectified spirit (4) Absolute alcohol

Last Answer :  Rectified spirit

Ethanol containing 5% water is known as (1) rectified spirit (2) denatured spirit (3) methylated alcohol (4) power alcohol

Description : Ethanol containing 5% water is known as (1) rectified spirit (2) denatured spirit (3) methylated alcohol (4) power alcohol 

Last Answer : rectified spirit

What kind of bond is formed when the attraction between the hydrogen atom in one water molecule and the oxygen molecule in another?

Description : What kind of bond is formed when the attraction between the hydrogen atom in one water molecule and the oxygen molecule in another?

Last Answer : Feel Free to Answer

What raw materials are used to make alcohol (ethanol) ?

Description : What raw materials are used to make alcohol (ethanol) ?

Last Answer : Ethanol , also known as ethyl alcohol , is a type of alcohol. It is flammable , tasteless , colorless , slightly toxic and has a distinctive odor , and is the main ingredient in most wines. ... . As a result of natural anaerobiosis, many plants produce ethanol. Ethanol has also been found in space.

What functional group in ethanol which is an alcohol is the?

Description : What functional group in ethanol which is an alcohol is the?

Last Answer : Need answer

Alcohol dehydrogenase converts ethanol into (A) Acetyl CoA (B) Acetaldehyde (C) Acetate (D) CO2 and H2O

Description : Alcohol dehydrogenase converts ethanol into (A) Acetyl CoA (B) Acetaldehyde (C) Acetate (D) CO2 and H2O

Last Answer : Answer : B

Denatured alcohol 1. Is an impure form of ethanol 2. Is unfit for drinking as it contains poisonous substances 3. Contains impurities 4. Is very unsafe to consume The correct answers are: (a) 1, 2 and 4 (b) 1, 2, 3 and 4 (c) 2, 3 and 4 (d) 1, 2 and 3

Description : Denatured alcohol 1. Is an impure form of ethanol 2. Is unfit for drinking as it contains poisonous substances 3. Contains impurities 4. Is very unsafe to consume The correct answers are: (a) 1, 2 and 4 (b) 1, 2, 3 and 4 (c) 2, 3 and 4 (d) 1, 2 and 3

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)

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.

Which of the following is used to denature ethanol? (1) Methyl alcohol (2) Propyl alcohol (3) Phenol (4) Methane

Description : Which of the following is used to denature ethanol? (1) Methyl alcohol (2) Propyl alcohol (3) Phenol (4) Methane

Last Answer : (1) Methyl alcohol Explanation: Denatured alcohol is ethanol that has additives to make it undrinkable (poisonous), to discourage recreational consumption. Different additives are used to make it difficult. to ... both because its boiling point is close to that of ethanol and because it is toxic.

The molecular formula of ethanol/ethyl alcohol is

Description : The molecular formula of ethanol/ethyl alcohol is

Last Answer : C 2 H 5 OH

. In industrial nomenclature, alcohol means (A) Butyl alcohol (B) Propyl alcoho(C) Ethanol(D) Methyl alcohol

Description : . In industrial nomenclature, alcohol means (A) Butyl alcohol (B) Propyl alcoho (C) Ethanol (D) Methyl alcohol

Last Answer : (C) Ethanol

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

Which of the following is used to denature ethanol ? (1) Methyl alcohol (2) Propyl alcohol (3) Phenol (4) Methane

Description : Which of the following is used to denature ethanol ? (1) Methyl alcohol (2) Propyl alcohol (3) Phenol (4) Methane

Last Answer : Methyl alcohol

Hydrogen bonds are formed when a hydrogen atom is shared between two ____. a. molecules c. elements b. atoms d. neutrons

Description : Hydrogen bonds are formed when a hydrogen atom is shared between two ____. a. molecules c. elements b. atoms d. neutrons

Last Answer : a. molecules

Which of the following molecules or ions is NOT formed when K metal reacts with liquid CH3OH? Is it: w) potassium ion x) hydrogen ion y) methoxy ion z) hydrogen molecule

Description : Which of the following molecules or ions is NOT formed when K metal reacts with liquid CH3OH? Is it: w) potassium ion x) hydrogen ion y) methoxy ion z) hydrogen molecule

Last Answer : ANSWER: X -- HYDROGEN ION

A single covalent bond (a) Is formed by the transfer of two electrons (b) Exists between hydrogen and chlorine in an aqueous solution, of hydrochloric acid (c) Is longer than a double bond (d) Does not require energy to disrupt it unlike an ionic bond

Description : A single covalent bond (a) Is formed by the transfer of two electrons (b) Exists between hydrogen and chlorine in an aqueous solution, of hydrochloric acid (c) Is longer than a double bond (d) Does not require energy to disrupt it unlike an ionic bond

Last Answer : Ans:(c)

Which of the following compounds will be a nonelectrolyte when dissolved in water? w) sodium chloride x) potassium nitrate y) ethanol z) hydrogen chloride

Description : Which of the following compounds will be a nonelectrolyte when dissolved in water? w) sodium chloride x) potassium nitrate y) ethanol z) hydrogen chloride

Last Answer : ANSWER: Y -- ETHANOL 

9.The reason behind the anti-parallel strand of DNA is 1. Hydrogen bond 2. Ionic bond 3. Phosphodiester bond 4. Disulphide bond

Description : 9.The reason behind the anti-parallel strand of DNA is 1. Hydrogen bond 2. Ionic bond 3. Phosphodiester bond 4. Disulphide bond

Last Answer : Ans: Phosphodiester bond.

Which of the following is the best fuel in terms of energy released per gram of fuel? (1) Hydrogen (2) Methane (3) Ethanol (4) Butane

Description : Which of the following is the best fuel in terms of energy released per gram of fuel? (1) Hydrogen (2) Methane (3) Ethanol (4) Butane

Last Answer : (1) Hydrogen Explanation: The amount of energy released increases with the number of bonds present in the chemical substance or fuel. That is because each bond has a certain amount of energy stored in it therefore the more bonds ... KJ/g; Methane: 55.6 KJ/ g; Ethanol: 29.7 KJ /g; Butane: 49.6KJ/g.

What is the strongest intermolecular force present in liquid ethanol? (a) induced dipole-induced dipole (b) dipole-dipole, specifically hydrogen bonding (c) dipole-dipole, but not hydrogen bonding (d) ion-dipole

Description : What is the strongest intermolecular force present in liquid ethanol? (a) induced dipole-induced dipole (b) dipole-dipole, specifically hydrogen bonding (c) dipole-dipole, but not hydrogen bonding (d) ion-dipole

Last Answer : dipole-dipole, specifically hydrogen bonding

Ethanol on heating with concentrated H2SO4 at 170°C gives (a) ethylene (b) ethyl hydrogen sulfate (c) diethyl ether (d) diethyl sulfate

Description : Ethanol on heating with concentrated H2SO4 at 170°C gives (a) ethylene (b) ethyl hydrogen sulfate (c) diethyl ether (d) diethyl sulfate

Last Answer : ethylene

Which of the following is the best fuel in terms of energy released per gram of fuel? (1) Hydrogen (2) Methane (3) Ethanol (4) Butane

Description : Which of the following is the best fuel in terms of energy released per gram of fuel? (1) Hydrogen (2) Methane (3) Ethanol (4) Butane

Last Answer : Hydrogen

Assertion(A): Physical adsorption of molecules on the surface requires activation energy. Reason(R): Because the bonds of adsorbed molecules are broke

Description : Assertion(A): Physical adsorption of molecules on the surface requires activation energy. Reason(R): Because the bonds of adsorbed molecules are broke

Last Answer : Assertion(A): Physical adsorption of molecules on the surface requires activation energy. Reason(R): ... D. If both Assertion & Reason are False.

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

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.

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 distilled directly at atmospheric pressure (C) Material cannot be distilled by indirect heating even under low pressure, because of the high boiling temperature (D) Material to be distilled is thermally unstable or has the tendency to react with other components associated with it, at the boiling temperature

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

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

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

Last Answer : Chemically unreactive

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 miscible with each other (4) water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn

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

Assertion (A): Alkyl aryl ethers on reaction with HI give alkyl iodide phenols Reason (R): Aryl - oxygen bond is weaker than alkyl oxygen bond

Description : Assertion (A): Alkyl aryl ethers on reaction with HI give alkyl iodide phenols Reason (R): Aryl - oxygen bond is weaker than alkyl oxygen bond

Last Answer : Assertion (A): Alkyl aryl ethers on reaction with HI give alkyl iodide phenols Reason (R): Aryl - oxygen ... is false D. A is false but R is true

Assertion (A) Both rhombic and monoclinic sulphur exist as `S_(8)` but oxygen exists as `O_(2)`. Reason (R ) Oxygen forms `ppi-ppi` multiple bond due

Description : Assertion (A) Both rhombic and monoclinic sulphur exist as `S_(8)` but oxygen exists as `O_(2)`. Reason (R ) Oxygen forms `ppi-ppi` multiple bond due

Last Answer : Assertion (A) Both rhombic and monoclinic sulphur exist as `S_(8)` but oxygen exists as `O_ ... Statement-I is not correct and Statement-II is correct

What liquids are miscible to oil?

Description : What liquids are miscible to oil?

Last Answer : Need answer

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

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.

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) More than (B) Less than (C) Same as (D) Either more or less; depends on the room temperature

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