Name the hydrocarbon having the poorest oxidation stability. (A) Naphthene (B) Olefin (C) Paraffin (D) Aromatics

Name the hydrocarbon having the poorest oxidation stability.
(A) Naphthene
(B) Olefin
(C) Paraffin
(D) Aromatics
by

1 Answer

Answer :

(D) Aromatics
by

Related questions

Aniline point test of an oil qualitatively indicates the __________ content of an oil. (A) Paraffin (B) Olefin (C) Aromatic (D) Naphthene

Description : Aniline point test of an oil qualitatively indicates the __________ content of an oil. (A) Paraffin (B) Olefin (C) Aromatic (D) Naphthene

Last Answer : (C) Aromatic

Aniline point of the diesel is a measure of its __________ content. (A) Aromatic (B) Paraffin (C) Olefin (D) Naphthene

Description : Aniline point of the diesel is a measure of its __________ content. (A) Aromatic (B) Paraffin (C) Olefin (D) Naphthene

Last Answer : (B) Paraffin

Butadiene is a/an (A) Di-olefin (B) Naphthene (C) Aromatic (D) Olefin

Description : Butadiene is a/an (A) Di-olefin (B) Naphthene (C) Aromatic (D) Olefin

Last Answer : (A) Di-olefin

Pick out the wrong statement. (A) Alkylation produces a larger iso-paraffin (having higher octane number) from the reaction of an olefin with smaller iso-paraffin (B) Catalytic alkylation processes use HF, AlCl3 & H2SO4 as Catalysts (C) All the alkylation processes use very high temperature (> 1000°C) (D) Gasoline having an octane number of 90 can be produced by alkylation process

Description : Pick out the wrong statement. (A) Alkylation produces a larger iso-paraffin (having higher octane number) from the reaction of an olefin with smaller iso-paraffin (B) Catalytic alkylation processes use HF ... (> 1000°C) (D) Gasoline having an octane number of 90 can be produced by alkylation process

Last Answer : (C) All the alkylation processes use very high temperature (> 1000°C)

Which of the following has the lowest cetane number? (A) Aromatics (B) i-paraffins (C) Naphthene (D) Olefins

Description : Which of the following has the lowest cetane number? (A) Aromatics (B) i-paraffins (C) Naphthene (D) Olefins

Last Answer : (A) Aromatics

Alkylation (A) Causes olefins to combine with each other(B) Causes olefins to combine with iso-paraffins(C) Converts iso-paraffin into olefin(D) Converts olefin into paraffin

Description : Alkylation (A) Causes olefins to combine with each other (B) Causes olefins to combine with iso-paraffins (C) Converts iso-paraffin into olefin (D) Converts olefin into paraffin

Last Answer : (B) Causes olefins to combine with iso-paraffins

Pick out the correct statement. (A) Paraffins have higher octane number than corresponding iso-paraffin (B) Paraffins have lower smoke point than aromatics

Description : Pick out the correct statement. (A) Paraffins have higher octane number than corresponding iso-paraffin (B) Paraffins have lower smoke point than aromatics

Last Answer : (B) Paraffins have lower smoke point than aromatics

Reforming converts (A) Olefins into paraffins (B) Naphthenes into aromatics (C) Naphthenes into olefins (D) Naphthenes into paraffin

Description : Reforming converts (A) Olefins into paraffins (B) Naphthenes into aromatics (C) Naphthenes into olefins (D) Naphthenes into paraffin

Last Answer : (B) Naphthenes into aromatics

Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene. (A) Smoking tendency of hydrocarbons increases in the order: paraffins → isoparaffins → naphthenes → aromatics (B) Smoking tendency of paraffins increases with decrease in its molecular weight

Description : Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene. (A) Smoking tendency of hydrocarbons increases in the order: paraffins → isoparaffins → naphthenes → aromatics (B) Smoking tendency of paraffins increases with decrease in its molecular weight

Last Answer : (B) Smoking tendency of paraffins increases with decrease in its molecular weight

Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for (A) Conversion of CO into CO2 in the second compartment (B) Conversion of NOx into N2 and NH3 in the first compartment (C) Oxidation of unburnt hydrocarbon fuel in the second compartment (D) All (A), (B) and (C)

Description : Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for (A) Conversion of CO into CO2 in the second compartment (B) Conversion of NOx into N2 and NH3 in the first ... of unburnt hydrocarbon fuel in the second compartment (D) All (A), (B) and (C)

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

Name the endothermic reaction out of the following: (A) Catalytic cracking (B) Hydrocracking (C) Dehydrogeneration of Naphthene to produce aromatic (D) Catalytic polymerisation

Description : Name the endothermic reaction out of the following: (A) Catalytic cracking (B) Hydrocracking (C) Dehydrogeneration of Naphthene to produce aromatic (D) Catalytic polymerisation

Last Answer : (C) Dehydrogeneration of Naphthene to produce aromatic

Which of the following is a Naphthene? (A) Butene (B) Butadiene (C) Cyclohexane (D) Acetylene

Description : Which of the following is a Naphthene? (A) Butene (B) Butadiene (C) Cyclohexane (D) Acetylene

Last Answer : (C) Cyclohexan

Which of the following reactions is undesirable in the production of catalytically reformed gasoline? (A) Dehydrogenation of Naphthene (B) Dehydrogenation of lower paraffins (C) Dehydrocyclization of higher paraffins (D) Isomerisation of paraffins

Description : Which of the following reactions is undesirable in the production of catalytically reformed gasoline? (A) Dehydrogenation of Naphthene (B) Dehydrogenation of lower paraffins (C) Dehydrocyclization of higher paraffins (D) Isomerisation of paraffins

Last Answer : (B) Dehydrogenation of lower paraffins

In catalytic alkylation, higher iso-butane to olefin ratio gives (A) Low final boiling point product (B) Higher yield (C) Both (A) and (B) (D) Neither (A) nor (B

Description : In catalytic alkylation, higher iso-butane to olefin ratio gives (A) Low final boiling point product (B) Higher yield (C) Both (A) and (B) (D) Neither (A) nor (B

Last Answer : (A) Low final boiling point product

Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is (A) Chloroethane (B) Chloroprene (C) Isoprene (D) None of these

Description : Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is (A) Chloroethane (B) Chloroprene (C) Isoprene (D) None of these

Last Answer : (B) Chloroprene

Stabilisation of gasoline (petrol) means (A) Removal of dissolved gases from it (B) Increasing its oxidation stability (C) Improving its lead susceptibility (D) Increasing its vapour pressure

Description : Stabilisation of gasoline (petrol) means (A) Removal of dissolved gases from it (B) Increasing its oxidation stability (C) Improving its lead susceptibility (D) Increasing its vapour pressure

Last Answer : (A) Removal of dissolved gases from it

Cetane number of a diesel fuel is the measure of its (A) Ignition delay (B) Smoke point (C) Viscosity (D) Oxidation stability

Description : Cetane number of a diesel fuel is the measure of its (A) Ignition delay (B) Smoke point (C) Viscosity (D) Oxidation stability

Last Answer : (A) Ignition delay

Dearomatization of kerosene (by liquid sulphur dioxide extraction) is done to (A) Increase its smoke point (B) Improve its oxidation stability (C) Decrease the breathing loss (D) None of these

Description : Dearomatization of kerosene (by liquid sulphur dioxide extraction) is done to (A) Increase its smoke point (B) Improve its oxidation stability (C) Decrease the breathing loss (D) None of these

Last Answer : (B) Improve its oxidation stability

Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its (A) Poor oxidation stability and high gum forming tendency (B) Greater tendency of decomposition at elevated temperature (C) Hydrolysis tendency in presence of water (D) All (A), (B) and (C)

Description : Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its (A) Poor oxidation stability and high gum forming ... at elevated temperature (C) Hydrolysis tendency in presence of water (D) All (A), (B) and (C)

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

A carbonyl compound (P) which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give an olefin (Q). Ozonolysis o

Description : A carbonyl compound (P) which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give an olefin (Q). Ozonolysis o

Last Answer : A carbonyl compound (P) which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give ... (S) is: A. B. C. D.

A carbonyl compound (P) which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give an olefin (Q). Ozonolysis o

Description : A carbonyl compound (P) which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give an olefin (Q). Ozonolysis o

Last Answer : A carbonyl compound (P) which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration ... respectively, are: A. B. C. D.

A carbonyl compound (P) which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give an olefin (Q). Ozonolysis o

Description : A carbonyl compound (P) which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give an olefin (Q). Ozonolysis o

Last Answer : A carbonyl compound (P) which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give ... (P) is: A. B. C. D.

A parallel polarized wave is incident from air into paraffin having relative permittivity 3, the value of its

Description : A parallel polarized wave is incident from air into paraffin having relative permittivity 3, the value of its Brewster angle is: (1) 0° (2) 30° (3) 45° (4) 60°

Last Answer : A parallel polarized wave is incident from air into paraffin having relative permittivity 3, the value of its Brewster angle is:60°

Which of the following has the poorest weldability? (A) Low carbon steel (B) Mild steel (C) Wrought iron (D) High-carbon steel

Description : Which of the following has the poorest weldability? (A) Low carbon steel (B) Mild steel (C) Wrought iron (D) High-carbon steel

Last Answer : (D) High-carbon steel

Which of the following materials has the poorest electrical conductivity? (A) Carbon (B) Aluminium (C) Silver (D) Stainless steel

Description : Which of the following materials has the poorest electrical conductivity? (A) Carbon (B) Aluminium (C) Silver (D) Stainless steel

Last Answer : (A) Carbon

Give reason for the following observation (L-III) (a)- The tendency for catenation decreases down the group in group 14 (b)- The decreasing stability of+3 oxidation state with increasing atomic no. in group 13. (c)- Molten aluminum bromide is a poor conductor of electricity.

Description : Give reason for the following observation (L-III) (a)- The tendency for catenation decreases down the group in group 14 (b)- The decreasing stability of+3 oxidation state with increasing atomic no. in group 13. (c)- Molten aluminum bromide is a poor conductor of electricity.

Last Answer : Ans. -(a) it is due to decrease in bond dissociation energy which is due to increase in atomic size C-C > Si-Si >Ge-Ge>Sn-Sn>Pb-Pb. (b)- It is due to inert pair effect. (c)- Molten AlBr3 is poor conductor of electricity because it is covalent compound.

List the poorest celebrities?

Description : List the poorest celebrities?

Last Answer : I would speculate that Josh Duggar is out of money. Also, Jon Gosselin from Jon and Kate Plus 8. I think the last I heard he was a waiter as opposed to the millions they made on their TV show. Fame is fleeting.

Why is Mississippi the poorest state?

Description : Why is Mississippi the poorest state?

Last Answer : Some of the factors you have enumerated have played a role in the economic demise of MS Read on: http://en.wikipedia.org/wiki/Mississippi#Economy Mississippi has the highest poverty rate in ... it. Though finding trends in a specific area is important, no generalization can account for everyone.

Which is the poorest country in the world?

Description : Which is the poorest country in the world?

Last Answer : last I heard it was the Republic of the Congo.

Why is Connecticut considered one of the rich states when 3 largest cities in it [Hartford/New Haven/Bridgeport] are poorest of the nation?

Description : Why is Connecticut considered one of the rich states when 3 largest cities in it [Hartford/New Haven/Bridgeport] are poorest of the nation?

Last Answer : answer:2000 Census (released 5/21/02) # of Households Median Household Income (dollars) Per Capita Income (dollars) # of Families Median Family Income (dollars) Connecticut 1,302, ... Connecticut ranks fifth among all states in the percentage of workers employed in technology occupations. Source

Who in this family belongs to the poorest of the poor category? -Economics 9th

Description : Who in this family belongs to the poorest of the poor category? -Economics 9th

Last Answer : Women, female infants and elderly are considered to the poorest of the poor.

Which are the The best and the poorest conductors of heat respectively? -Do You Know?

Description : Which are the The best and the poorest conductors of heat respectively? -Do You Know?

Last Answer : answer:

Which is the poorest country in the world ?

Last Answer : Chad is a state in Africa.

Which is the poorest country in the world ?

Last Answer : Congo: The poorest country in the world. 20 percent of the country's people died of starvation. 40% of people live on half-eaten food. This country ranks first in all measurements of poverty. ... . Every day people die of starvation. In the streets of Congo, people are running around hungry.

The poorest 20 percent of the global population receives about what percentage of all global income?

Description : The poorest 20 percent of the global population receives about what percentage of all global income?

Last Answer : The poorest 20 percent of the global population receives about what percentage of all global income?

What is the poorest arrondissement in Paris?

Description : What is the poorest arrondissement in Paris?

Last Answer : 6e

Which are the The best and the poorest conductors of heat respectively?

Description : Which are the The best and the poorest conductors of heat respectively?

Last Answer : – Silver (Ag), and lead (Pb)

Which are the The best and the poorest conductors of heat respectively?

Description : Which are the The best and the poorest conductors of heat respectively?

Last Answer : Silver (Ag), and lead (Pb)

The poorest seed storage capacity is in: a. Okra b. Peas c. Cucurbits d. Onion

Description : The poorest seed storage capacity is in: a. Okra b. Peas c. Cucurbits d. Onion

Last Answer : Onion

Which are the special target groups in Antyodaya Anna Yojana? (a) Poorest of the poor (b) Poor and non-poor (c) Backward class (d) None of these

Description : Which are the special target groups in Antyodaya Anna Yojana? (a) Poorest of the poor (b) Poor and non-poor (c) Backward class (d) None of these

Last Answer : (a) Poorest of the poor

Antyodaya cards are related to (a) all poors (b) poorest of the poor (c) persons below poverty line (d) none of the above

Description : Antyodaya cards are related to (a) all poors (b) poorest of the poor (c) persons below poverty line (d) none of the above

Last Answer : (b) poorest of the poor

1. The Rajya Sabha can have a maximum strength of howmany members? 2. Which are the The best and the poorest conductors of heat respectively? 3. From which sector does the highest sector wise contribution to gross domestic saving comes? 4. Which State has the largest coastline in India? 5. The first Governor-General of India was appointed under the provisions of which act?

Description : 1. The Rajya Sabha can have a maximum strength of howmany members? 2. Which are the The best and the poorest conductors of heat respectively? 3. From which sector does the highest sector wise ... which things? 19. What is Crop rotation? 20. Whose ideas had Influenced Mahatma Gandhi's thought?

Last Answer : Answer : 1. 250 2. Silver (Ag), and lead (Pb) 3. Household sector 4. Gujarat 5. 1833 6. Literature 7. Reduce transpiration 8. 66 subjects 9. Cauvery 10. Sir Hugh Rose11. Gold 12. ... oil 17. Government of India Act, 1935 18. Wavelength and speed 19. Growing different crops-in succession 20. Tolstoy

Which motor has the poorest speed control?

Last Answer : Series motor has the poorest speed control.

Pick out the wrong statement. (A) Lower boiling paraffins have higher octane number than higher paraffins (B) Dehydrogenation of naphthenes to aromatics is a desirable reaction in reforming process (C) The most ideal feedstock for thermal reforming is dearomatised kerosene (D) Catalyst used in catalytic reforming is platinum on silica-alumina base

Description : Pick out the wrong statement. (A) Lower boiling paraffins have higher octane number than higher paraffins (B) Dehydrogenation of naphthenes to aromatics is a desirable reaction in reforming ... is dearomatised kerosene (D) Catalyst used in catalytic reforming is platinum on silica-alumina base

Last Answer : (C) The most ideal feedstock for thermal reforming is dearomatised kerosene

Which is the most desirable component of a good quality kerosene? (A) i-paraffins (B) Aromatics (C) n-paraffins (D) Naphthenes

Description : Which is the most desirable component of a good quality kerosene? (A) i-paraffins (B) Aromatics (C) n-paraffins (D) Naphthenes

Last Answer : (C) n-paraffins

Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene? (A) Reforming (B) Pyrolysis (C) Alkylation (D) Hydrocracking

Description : Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene? (A) Reforming (B) Pyrolysis (C) Alkylation (D) Hydrocracking

Last Answer : (A) Reforming

Smoke point of a test sample of kerosene is found to be 15 mm. On removal of __________ from it, the smoke point rises to 25 mm. (A) n-paraffins (B) Olefins (C) Aromatics (D) None of these

Description : Smoke point of a test sample of kerosene is found to be 15 mm. On removal of __________ from it, the smoke point rises to 25 mm. (A) n-paraffins (B) Olefins (C) Aromatics (D) None of these

Last Answer : (C) Aromatics

Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is (A) Propane (B) Diethylene glycol (C) Aqueous solution (10% water) of diethylene glycol (D) Methyl ethyl ketone (MEK)

Description : Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is (A) Propane (B) Diethylene glycol (C) Aqueous solution (10% water) of diethylene glycol (D) Methyl ethyl ketone (MEK)

Last Answer : (C) Aqueous solution (10% water) of diethylene glycol

Choose the correct statement. (A) Octane number of i-octane is zero (B) Octane number of paraffins increases with increasing number of carbon atoms (C) Branched chain paraffins have higher octane number than straight chain paraffins with same number of carbon atoms (D) The aromatics have lower octane number than naphthenes with same number of carbon atoms

Description : Choose the correct statement. (A) Octane number of i-octane is zero (B) Octane number of paraffins increases with increasing number of carbon atoms (C) Branched chain paraffins have higher octane ... atoms (D) The aromatics have lower octane number than naphthenes with same number of carbon atoms

Last Answer : (A) Octane number of i-octane is zero

Furfural solvent extraction is used for upgrading (by dissolving aromatics) (A) Naphtha (B) Lubricating oils (C) Wax (D) Cracking feedstock

Description : Furfural solvent extraction is used for upgrading (by dissolving aromatics) (A) Naphtha (B) Lubricating oils (C) Wax (D) Cracking feedstock

Last Answer : (B) Lubricating oils