The metal that is used as a catalyst in the hydrogenation of oils is?

The metal that is used as a catalyst in
the hydrogenation of oils is?
by

1 Answer

Answer :

Ni
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Related questions

The metal that is used as a catalyst in the hydrogenation of oils is (a) Ni (b) Pb (c) Cu (d) Pt

Description : The metal that is used as a catalyst in the hydrogenation of oils is (a) Ni (b) Pb (c) Cu (d) Pt

Last Answer : Ans:(a)

The metal that is used as a catalyst in the hydrogenation of oils is - (1) Pb (2) Ni (3) Cu (4) Pt

Description : The metal that is used as a catalyst in the hydrogenation of oils is - (1) Pb (2) Ni (3) Cu (4) Pt

Last Answer : (2) Ni Explanation: The catalyst used in hydrogenation of oils is nickel. It is used to speed up the reaction.

Vegetable oils are converted into solid fat (ghee) by - (1) Hydrolysis (2) Addition of agar (3) Oxidation using air and a catalyst (4) Hydrogenation

Description : Vegetable oils are converted into solid fat (ghee) by - (1) Hydrolysis (2) Addition of agar (3) Oxidation using air and a catalyst (4) Hydrogenation

Last Answer : (4) Hydrogenation Explanation: Hydrogenation - to treat with hydrogen - is a chemical reaction between molecular hydrogen (H2) and another compound or element, usually in the presence of a ... oils are derived from polyunsaturated fatty acids (containing more than one carbon-carbon double bonds).

The catalyst used in hydrogenation of oils is - (1) Fe (2) V2O5 (3) Ni (4) O2

Description : The catalyst used in hydrogenation of oils is - (1) Fe (2) V2O5 (3) Ni (4) O2

Last Answer : (3) Ni Explanation: The catalyst used in hydrogenation of oils is nickel. It is used to speed up the reaction. Vegetable oils convert into vanaspati after hydrogenation.

Sulphuric acid is used as a catalyst in the (A) Hydrogenation of oils (B) Gas phase oxidation of SO2 in chamber process (C) Alkylation of hydrocarbons(D) None of these

Description : Sulphuric acid is used as a catalyst in the (A) Hydrogenation of oils (B) Gas phase oxidation of SO2 in chamber process (C) Alkylation of hydrocarbons (D) None of these

Last Answer : (C) Alkylation of hydrocarbons

Partial hydrogenation of vegetable oils in the presence of Ni catalyst at 200°C gives (a) Vanaspati ghee (b) Margarine (c) Both of these (d) None of these

Description : Partial hydrogenation of vegetable oils in the presence of Ni catalyst at 200°C gives (a) Vanaspati ghee (b) Margarine (c) Both of these (d) None of these

Last Answer : Vanaspati ghee

Hydrogenation of edible vegetable oils (A) Is an exothermic reaction (B) Increases their melting point (C) Is done in presence of nickel catalyst (D) All (A), (B) and (C)

Description : Hydrogenation of edible vegetable oils (A) Is an exothermic reaction (B) Increases their melting point (C) Is done in presence of nickel catalyst (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

For the hydrogenation of oils, __________ (i) __________ is commonly used as catalyst and __________ (ii) __________ is a catalyst poison. (A) (i) platinum (ii) sulphur (B) (i) palladium (ii) oxygen (C) (i) nickel (ii) sulphur (D) (i) nickel (ii) oxygen

Description : For the hydrogenation of oils, __________ (i) __________ is commonly used as catalyst and __________ (ii) __________ is a catalyst poison. (A) (i) platinum (ii) sulphur (B) (i) palladium (ii) oxygen (C) (i) nickel (ii) sulphur (D) (i) nickel (ii) oxygen

Last Answer : (C) (i) nickel (ii) sulphur

Vegetable oils are converted into solid fat (ghee) by (1) Hydrolysis (2) Addition of agar (3) Oxidation using air and a catalyst (4) Hydrogenation

Description : Vegetable oils are converted into solid fat (ghee) by (1) Hydrolysis (2) Addition of agar (3) Oxidation using air and a catalyst (4) Hydrogenation 

Last Answer : Hydrogenation

Which one of the following is not a metal catalyst for the hydrogenation of an alkene? (a) Pd (b) Pt (c) Na(d) Ni

Description : Which one of the following is not a metal catalyst for the hydrogenation of an alkene? (a) Pd (b) Pt (c) Na (d) Ni

Last Answer : Na

What is meant by hydrogenation of oils?

Description : What is meant by hydrogenation of oils?

Last Answer : The process of converting liquid oils into solids saturated fats by passing hydrogen gas through them is called hydrogenation of oils. Finely divided nickel is used as catalyst during the process. Ex: Vanaspathi

Liquid oils can be converted to solid fats by (a) Hydrogenation (b) Saponification (c) Hydrolysis (d) Oxidation of double bonds

Description : Liquid oils can be converted to solid fats by (a) Hydrogenation (b) Saponification (c) Hydrolysis (d) Oxidation of double bonds

Last Answer : Hydrogenation

Hydrogenation of vegetable oils is a/an __________ reaction. (A) Endothermic (B) Autocatalytic (C) Exothermic (D) Homogenous

Description : Hydrogenation of vegetable oils is a/an __________ reaction. (A) Endothermic (B) Autocatalytic (C) Exothermic (D) Homogenous

Last Answer : (C) Exothermic

Oils and fats are converted to soap in a process called (A) Hydrogenation (B) Esterification (C) Saponification (D) None of these

Description : Oils and fats are converted to soap in a process called (A) Hydrogenation (B) Esterification (C) Saponification (D) None of these

Last Answer : (C) Saponification

Pick out the correct statement. (A) A fat is converted into oil by its hydrogenation (B) There is no difference between a fat and an oil so far as its physical properties are concerned (C) All vegetable oils except coconut oil, contains fatty acids having more than sixteen carbon atoms (D) Vegetable oils are classified as drying, non-drying and semi drying oils depending upon their fatty acids content

Description : Pick out the correct statement. (A) A fat is converted into oil by its hydrogenation (B) There is no difference between a fat and an oil so far as its physical properties are ... Vegetable oils are classified as drying, non-drying and semi drying oils depending upon their fatty acids content

Last Answer : (C) All vegetable oils except coconut oil, contains fatty acids having more than sixteen carbon atoms

A 'unit process' is exemplified by the (A) Distillation (B) Hydrogenation of oils (C) Absorption (D) Humidification

Description : A 'unit process' is exemplified by the (A) Distillation (B) Hydrogenation of oils (C) Absorption (D) Humidification

Last Answer : (B) Hydrogenation of oils

Commercial production of Vanaspati is done by __________ of edible vegetable oils. (A) Hydrogenation (B) Oxidation (C) Hydrolysis (D) Hydrocracking

Description : Commercial production of Vanaspati is done by __________ of edible vegetable oils. (A) Hydrogenation (B) Oxidation (C) Hydrolysis (D) Hydrocracking

Last Answer : (A) Hydrogenation

Which of the following statements are false about benzene? (a) It is a planar molecule with bond angles 120°(b) It is immiscible with water forming the lower layer. (c) It can be converted into cyclohexane by hydrogenation at 200°C in the presence of Ni catalyst. (d) It reacts with ethyl chloride in the presence of aluminium chloride to form ethylbenzene..

Description : Which of the following statements are false about benzene? (a) It is a planar molecule with bond angles 120°. (b) It is immiscible with water forming the lower layer. (c) It can be ... Ni catalyst. (d) It reacts with ethyl chloride in the presence of aluminium chloride to form ethylbenzene.

Last Answer : It is immiscible with water forming the lower layer

2-Butyne undergoes catalytic hydrogenation in the presence of Lindlar's catalyst to give (a) 2-Butene (b) Butane (c) 1-Butene (d) 2-Methylpropene

Description : 2-Butyne undergoes catalytic hydrogenation in the presence of Lindlar's catalyst to give (a) 2-Butene (b) Butane (c) 1-Butene (d) 2-Methylpropene

Last Answer : 2-Butene

Catalyst used in the hydrogenation of oil is (A) Nickel (B) Platinum (C) Iron (D) Alumina

Description : Catalyst used in the hydrogenation of oil is (A) Nickel (B) Platinum (C) Iron (D) Alumina

Last Answer : (A) Nickel

Nickel is not used as a catalyst in the __________ reaction. (A) Shift conversion (B) Oil hydrogenation (C) Steaming reforming of naphtha (D) Ammonia cracking/dissociation

Description : Nickel is not used as a catalyst in the __________ reaction. (A) Shift conversion (B) Oil hydrogenation (C) Steaming reforming of naphtha (D) Ammonia cracking/dissociation

Last Answer : (A) Shift conversion

Nickel is not used as a catalyst in the (A) Fischer-Tropsch process (B) Shift conversion (C) Hydrogenation of oil (D) Ostwald's process of HNO3 manufacture

Description : Nickel is not used as a catalyst in the (A) Fischer-Tropsch process (B) Shift conversion (C) Hydrogenation of oil (D) Ostwald's process of HNO3 manufacture

Last Answer : (D) Ostwald's process of HNO3 manufacture

Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result in (A) Pyrolysis of oil(B) Sintering of porous catalyst(C) Hydrogen embrittlement(D) All (A), (B) and (C)

Description : Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result in (A) Pyrolysis of oil (B) Sintering of porous catalyst (C) Hydrogen embrittlement (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Zeolite is used in the (A) Water treatment (B) Glass manufacture (C) Hydrogenation of fatty oil as a catalyst (D) Development of exposed photographic plate

Description : Zeolite is used in the (A) Water treatment (B) Glass manufacture (C) Hydrogenation of fatty oil as a catalyst (D) Development of exposed photographic plate

Last Answer : (A) Water treatment

A mixture of chlorine & sodium bromide acts as a/an (A) Insecticides (B) Analgesic drug (C) Fire retardant (D) Hydrogenation catalyst

Description : A mixture of chlorine & sodium bromide acts as a/an (A) Insecticides (B) Analgesic drug (C) Fire retardant (D) Hydrogenation catalyst

Last Answer : (C) Fire retardant

Consider the following statements: 1. Mercury metal exists as a liquid at room temperature. 2. The property of metals by which they can be beaten into thin sheets is called malleability 3. Neutral fats such as butter and vegetable oils are mostly triglycerides. 4. The size of an atom is of the order of 10 - 15 m. The correct statements are: (a) 1, 2 and 4 only (b) 1, 3 and 4 only (c) 2, 3 and 4 only (d) 1, 2 and 3 only

Description : Consider the following statements: 1. Mercury metal exists as a liquid at room temperature. 2. The property of metals by which they can be beaten into thin sheets is called malleability 3. Neutral fats such as butter and vegetable oils ... b) 1, 3 and 4 only (c) 2, 3 and 4 only (d) 1, 2 and 3 only

Last Answer : Ans:(d)

What is the hybridisation of central metal ion and shape of Wilkinson’s catalyst ?

Description : What is the hybridisation of central metal ion and shape of Wilkinson’s catalyst ?

Last Answer : Wilkinson’s catalyst is (PH3 P)3 RhCl. In this Rh has dsp² hybridisation and square planar shape.

A catalyst loses its activity due to (A) Loss in surface area of the active component (B) Agglomeration of metal particles caused by thermal sintering of the solid surface (C) Covering of the catalytic active sites by a foreign substance (D) All (A), (B) and (C)

Description : A catalyst loses its activity due to (A) Loss in surface area of the active component (B) Agglomeration of metal particles caused by thermal sintering of the solid surface (C) Covering of the catalytic active sites by a foreign substance (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

A compound, C15H24, is reacted with excess hydrogen using a metal catalyst. One equivalent of the compound consumed three equivalents of hydrogen. Howmany rings did the original compound have? (a) 1 only (b) 2 only (c) 3 only (d) None of these

Description : A compound, C15H24, is reacted with excess hydrogen using a metal catalyst. One equivalent of the compound consumed three equivalents of hydrogen. How many rings did the original compound have? (a) 1 only (b) 2 only (c) 3 only (d) None of these

Last Answer : 1 only

Cooking oil can be converted into vegetable ghee by the process of 1. hydrogenation 2. distillation 3. crystallisation 4. reduction The correct processes are: (a) 1 and 4 (b) 2 and 4 (c) 1 and 3 (d) 3 and 4

Description : Cooking oil can be converted into vegetable ghee by the process of 1. hydrogenation 2. distillation 3. crystallisation 4. reduction The correct processes are: (a) 1 and 4 (b) 2 and 4 (c) 1 and 3 (d) 3 and 4

Last Answer : Ans:(a)

Liquid hydrocarbons are converted to low molecular weight gaseous hydrocarbons by a process known as (a) hydrogenation (b) reforming (c) cracking (d) reduction

Description : Liquid hydrocarbons are converted to low molecular weight gaseous hydrocarbons by a process known as (a) hydrogenation (b) reforming (c) cracking (d) reduction

Last Answer : Ans:(c)

Hydrogenation of coal produces?

Description : Hydrogenation of coal produces?

Last Answer : Diesel

Why is hydrogenation done? OR What is the importance of hydrogenation?

Description : Why is hydrogenation done? OR What is the importance of hydrogenation?

Last Answer : a) Hydrogenated oil has longer shelf life and will not go rancid quickly. b) It also has a higher melting point and hence used in frying and pastries.

What is meant by hydrogenation reaction?

Description : What is meant by hydrogenation reaction?

Last Answer : The reactions in which hydrogen atoms are added are called hydrogenation reactions. Ex: Addition of hydrogen to make Alkyne into Alkene, Addition to hydrogen to make benzene into Cyclohexane.

Evaporation from ice and snow is known as------? A. evaporation B. sublimation (Answer) C. hydrogenation D. insolation

Description : Evaporation from ice and snow is known as------? A. evaporation B. sublimation (Answer) C. hydrogenation D. insolation

Last Answer : B. sublimation (Answer)

How does the hydrogenation of olive oil affect its healthiness?

Description : How does the hydrogenation of olive oil affect its healthiness?

Last Answer : Hydrogenation turns unsaturated fat into saturated fat, which is said to be less healthful. But it is done to make fat that is solid at room temperature, rather than liquid.

Which is order of heat of hydrogenation for the following set of molecules :-

Description : Which is order of heat of hydrogenation for the following set of molecules :-

Last Answer : Which is order of heat of hydrogenation for the following set of molecules :-

A chiral `C_(5)H_(10)O` alcohol is reduced by catalytic hydrogenation to an achiral `C_(5)H_(12)O` alcohol. The original alcohol is oxidized by activa

Description : A chiral `C_(5)H_(10)O` alcohol is reduced by catalytic hydrogenation to an achiral `C_(5)H_(12)O` alcohol. The original alcohol is oxidized by activa

Last Answer : A chiral `C_(5)H_(10)O` alcohol is reduced by catalytic hydrogenation to an achiral `C_(5)H_(12)O` alcohol ... -2-buten-1-ol D. 2-methyl-2-buten-1-ol

What is the balanced equation for the hydrogenation of 1 pentene?

Description : What is the balanced equation for the hydrogenation of 1 pentene?

Last Answer : I cannot answer this question.

Cooking oil can be converted into vegetable ghee by the process of – (1) oxidation (2) hydrogenation (3) distillation (4) crystalisation

Description : Cooking oil can be converted into vegetable ghee by the process of – (1) oxidation (2) hydrogenation (3) distillation (4) crystalisation

Last Answer : (2) hydrogenation Explanation: An example of an alkene addition reaction is a process called hydrogenation. In a hydrogenation reaction, two hydrogen atoms are added across the double bond of an alkene, resulting in a saturated alkane.

Cooking oil can be converted into vegetables ghee by the process of – (1) Oxidation (2) Hydrogenation (3) Distillation (4) Crystallization

Description : Cooking oil can be converted into vegetables ghee by the process of – (1) Oxidation (2) Hydrogenation (3) Distillation (4) Crystallization

Last Answer : (2) Hydrogenation Explanation: Hydrogenation is a chemical reaction - widely used in the processing of cooking oils and fats - that turns unsaturated fatty acids into saturated ones.

Cooking oil can be converted into vegetable ghee by the process of (1) oxidation (2) hydrogenation (3) distillation (4) crystalisation

Description : Cooking oil can be converted into vegetable ghee by the process of (1) oxidation (2) hydrogenation (3) distillation (4) crystalisation

Last Answer : (2) hydrogenation Explanation: An example of an alkene addition reaction is a process called hydrogenation. In a hydrogenation reaction, two hydrogen atoms are added across the double bond of an alkene, resulting in a saturated alkane.

Preparation of `Dalda or Vanaspati' ghee from vegetable oil utilizes the following process : (1) Hydrolysis (2) Qxidation (3) Hydrogenation (4) Ozonolysis

Description : Preparation of `Dalda or Vanaspati' ghee from vegetable oil utilizes the following process : (1) Hydrolysis (2) Qxidation (3) Hydrogenation (4) Ozonolysis

Last Answer : (3) Hydrogenation Explanation: The largest. scale application of hydrogenation is for the processing of vegetable oils (fats to give margarine and related spreads and shortenings). Typical vegetable oils ... liquid vegetable oils into solid or semi-solid fats, such as those present in margarine.

Styrene which is a monomer for the production of polystyrene, is commercially produced by the (A) Catalytic dehydrogenation of ethyl benzene (B) Dehydration of ethyl alcohol followed by hydrogenation (C) Reacting ethylene oxide with acetaldehyde (D) Fermentation of starch

Description : Styrene which is a monomer for the production of polystyrene, is commercially produced by the (A) Catalytic dehydrogenation of ethyl benzene (B) Dehydration of ethyl alcohol followed by hydrogenation (C) Reacting ethylene oxide with acetaldehyde (D) Fermentation of starch

Last Answer : (A) Catalytic dehydrogenation of ethyl benzene

The main reaction in reforming is the (A) Dehydrogenation of naphthenes (B) Hydrogenation of naphthenes (C) Hydrocracking of paraffins (D) Saturation of olefins

Description : The main reaction in reforming is the (A) Dehydrogenation of naphthenes (B) Hydrogenation of naphthenes (C) Hydrocracking of paraffins (D) Saturation of olefins

Last Answer : (A) Dehydrogenation of naphthenes

Road grade bitumen is produced from vacuum residue by its (A) Aeration (B) Pyrolysis (C) Hydrogenation (D) Steam reforming

Description : Road grade bitumen is produced from vacuum residue by its (A) Aeration (B) Pyrolysis (C) Hydrogenation (D) Steam reforming

Last Answer : (D) Steam reforming

Hydrogenation of oil is carried out in a/an __________ in Vanaspati manufacturing plant. (A) Agitated vessel (B) Sieve tray column (C) Bubble cap column (D) Packed tower

Description : Hydrogenation of oil is carried out in a/an __________ in Vanaspati manufacturing plant. (A) Agitated vessel (B) Sieve tray column (C) Bubble cap column (D) Packed tower

Last Answer : (A) Agitated vessel

Commercial production of petrol from coal (as practised in a factory at Sasol in South Africa) is done by the __________ of coal. (A) Hydrogenation (B) Gasification (C) Carbonisation (D) None of these

Description : Commercial production of petrol from coal (as practised in a factory at Sasol in South Africa) is done by the __________ of coal. (A) Hydrogenation (B) Gasification (C) Carbonisation (D) None of these

Last Answer : (A) Hydrogenation

_________ process is meant for direct hydrogenation of coal to produce liquid fuel. (A) Fischer-Tropsch (B) Bergius (C) Lurgi (D) None of these

Description : _________ process is meant for direct hydrogenation of coal to produce liquid fuel. (A) Fischer-Tropsch (B) Bergius (C) Lurgi (D) None of these

Last Answer : (B) Bergius

Gobar gas is produced by the __________ of cow dung. (A) Fermentation (B) Oxidation (C) Hydrogenation (D) None of these

Description : Gobar gas is produced by the __________ of cow dung. (A) Fermentation (B) Oxidation (C) Hydrogenation (D) None of these

Last Answer : (A) Fermentation