The combustion of Pentane produces : (a) Pentene (b) HCl + H2O (c) Pentyne (d) CO2 + H2O

The combustion of Pentane produces :
(a) Pentene
(b) HCl + H2O
(c) Pentyne
(d) CO2 + H2O
by

1 Answer

Answer :

CO2 + H2O
by

Related questions

Addition of HCl to 3-methyl-1-pentene gives two products. One of these is 2-chloro-3-methylpentane. What is the other product? (a) 1-Chloro-3-methylpentane (b) 3-Chloro-3-methylpentane (c) 3-Chloro-2-methylpentane (d) 2-Chloro-2-methylpentane

Description : Addition of HCl to 3-methyl-1-pentene gives two products. One of these is 2-chloro-3-methylpentane. What is the other product? (a) 1-Chloro-3-methylpentane (b) 3-Chloro-3-methylpentane (c) 3-Chloro-2-methylpentane (d) 2-Chloro-2-methylpentane

Last Answer : 3-Chloro-3-methylpentane

The combustion of one mole of propane, C3H8, produces how many moles of H2O? (a) 2 (b) 3 (c) 4 (d) 5

Description : The combustion of one mole of propane, C3H8, produces how many moles of H2O? (a) 2 (b) 3 (c) 4 (d) 5

Last Answer : 4

The complete combustion of one mole of hydrogen produces: w) 1/2 mole H2O x) 1/2 mole H2O + 1/2 mole O3 y) 1 mole water z) 1 mole hydroxide ions

Description : The complete combustion of one mole of hydrogen produces: w) 1/2 mole H2O x) 1/2 mole H2O + 1/2 mole O3 y) 1 mole water z) 1 mole hydroxide ions

Last Answer : ANSWER: Y -- 1 MOLE WATER

Flue gas obtained on complete combustion of pure acetylene (a hydrocarbon fuel) will contain (A) CO (B) CO2 (C) H2O (D) Both (B) & (C)

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Last Answer : (D) Both (B) & (C)

Which alkyne yields propanoic acid as the only product upon treatment with ozone followed by hydrolysis? (a) 1-Butyne (b) 2-Hexyne (c) 1-Pentyne (d) 3-Hexyne

Description : Which alkyne yields propanoic acid as the only product upon treatment with ozone followed by hydrolysis? (a) 1-Butyne (b) 2-Hexyne (c) 1-Pentyne (d) 3-Hexyne

Last Answer : 3-Hexyne

If the combustion of each gallon of gasoline produces 22 lbs of CO2 how much CO2 does your r car produce each year?

Description : If the combustion of each gallon of gasoline produces 22 lbs of CO2 how much CO2 does your r car produce each year?

Last Answer : What is the answer ?

NaOH + HCl = What is the reaction of NaCl + H2O ?

Description : NaOH + HCl = What is the reaction of NaCl + H2O ?

Last Answer : mitigation reaction.

Which type of intermolecular forces exists among the following molecules? (a) H2S molecules (b) H2O (c) Cl2 and CCl4 (d) SiH4 (e) Helium (f) He atoms and HCl molecules

Description : Which type of intermolecular forces exists among the following molecules? (a) H2S molecules (b) H2O (c) Cl2 and CCl4 (d) SiH4 (e) Helium (f) He atoms and HCl molecules

Last Answer : Ans. (a) Dipole-Dipole interactions. (b)H-Bond. (c)Dispersion forces. (d)Dispersion forces. (e)Dispersion forces. (f)Induced dipole-dipole interactions.

Compound (A) when reacted with PCl5 and then with ammonia gave (B). Compound (B) when treated with bromine and NaOH, produced (C). Compound (C) on treatment with NaNO2/HCl at 0°C and then boiling with H2O produced ocresol. Compound (A) is (a) o-Toluic acid (b) o-Chlorotoluene (c) m-Toluic acid (d) o-Bromotoluene

Description : Compound (A) when reacted with PCl5 and then with ammonia gave (B). Compound (B) when treated with bromine and NaOH, produced (C). Compound (C) on treatment with NaNO2/HCl at 0°C and then boiling with H2O ... Compound (A) is (a) o-Toluic acid (b) o-Chlorotoluene (c) m-Toluic acid (d) o-Bromotoluene

Last Answer : o-Toluic acid

Identify the type of reaction(s) in the following equations. (i)CH4 + 2O2 CO2 + 2 H2O (ii) Pb(NO3)2 + 2KI ——–>Pbl2 + 2KNOs (iii) CaO + H2O ——–> Ca(OH)2 (iv) CuSO4 + Zn ——–> ZnSO4 + Cu -Chemistry

Description : Identify the type of reaction(s) in the following equations. (i)CH4 + 2O2 CO2 + 2 H2O (ii) Pb(NO3)2 + 2KI ——–>Pbl2 + 2KNOs (iii) CaO + H2O ——–> Ca(OH)2 (iv) CuSO4 + Zn ——–> ZnSO4 + Cu -Chemistry

Last Answer : Answer. (i) Combustion reaction and oxidation reaction. (ii)Double displacement reaction and precipitation reaction. (iii) Combination reaction. (iv) Displacement reaction.

What are amphoteric oxides? Choose the amphoteric oxides from amongst the following oxides: Na2O, ZnO, Al2O3, CO2, H2O -Chemistry

Description : What are amphoteric oxides? Choose the amphoteric oxides from amongst the following oxides: Na2O, ZnO, Al2O3, CO2, H2O -Chemistry

Last Answer : Those oxides which reacts with acids as well as bases to produce salts and water are called amphoteric oxides, e.g. Na2O, ZnO, are amphoteric oxides among given oxides.

Water gas is the combination of – (1) CO and H2 (2) CO2 and H2 (3) CO and H2O (4) CO2 and CO

Description : Water gas is the combination of – (1) CO and H2 (2) CO2 and H2 (3) CO and H2O (4) CO2 and CO

Last Answer : (1) CO and H2 Explanation: Water has is a synthesis gas, containing carbon monoxide (CO) and hydrogen has (H2). It is made by passing steam over a redhot carbon fuel such as coke. The reaction between steam and hydrocarbons produce the has mixture.

Which of the following pairs of substances illustrate the law of multiple proportions? [CPMT 1972, 78] (A) CO and CO2 (B) H2O and D2O (C) NaCl and NaBr (D) MgO and Mg(OH)2

Description : Which of the following pairs of substances illustrate the law of multiple proportions? [CPMT 1972, 78] (A) CO and CO2 (B) H2O and D2O (C) NaCl and NaBr (D) MgO and Mg(OH)2

Last Answer : (A) CO and CO2

Which hydrocarbons are the major constituents of 'LPG'? (1) Methane and Ethane (2) Propane and Butane (3) Pentane and Benzene (4) Only Methane

Description : Which hydrocarbons are the major constituents of 'LPG'? (1) Methane and Ethane (2) Propane and Butane (3) Pentane and Benzene (4) Only Methane

Last Answer : (2) Propane and Butane Explanation: Cooking gas, also known as Liquefied Petroleum Gas (LPG) is primarily propane (C3Hg) and butane (C4H10).

(a) What effect the branching of an alkane has on its melting point? (L-III) (b) Which of the following has highest boiling point?(L-III) (1) 2-methyl pentane. (2) 2, 3-diethyl butane. (3) 2, 2- dimethyl butane.

Description : (a) What effect the branching of an alkane has on its melting point? (L-III) (b) Which of the following has highest boiling point?(L-III) (1) 2-methyl pentane. (2) 2, 3-diethyl butane. (3) 2, 2- dimethyl butane.

Last Answer : Ans.(a) In general conception, as the branching increases packing of the molecules in the crystals becomes less close and have melting point decreases accordingly. (b) As the branching increases, ... attraction decreases and hence the boiling point decreases. So, 2-methyl pentane has highest B.pt.

Arrange the three isomers of pentane in increasing order of their boiling points?

Description : Arrange the three isomers of pentane in increasing order of their boiling points?

Last Answer : Ans.2, 2-Dimethylpropane

Out of pentane, 2-methylbutane and 2,2-dimethylpropane which has the highest boiling point and why?

Description : Out of pentane, 2-methylbutane and 2,2-dimethylpropane which has the highest boiling point and why?

Last Answer : Ans. Pentane having a continuous chain of five carbon atoms has the highest boiling point (309.1K) whereas 2,2 - dimethylpropane boils at 282.5K. With increase in number ... and therefore weak intermolecular forces between spherical molecules, which are overcome at relatively lower temperatures

How many isomers are possible for pentane? (a) 2 (b) 3 (c) 4 (d) 5

Description : How many isomers are possible for pentane? (a) 2 (b) 3 (c) 4 (d) 5

Last Answer : 2

Which compound is not an isomer of the other three? (a) n-Pentane (b) 2,2-Dimethylpropane (c) 2-Methylbutane

Description : Which compound is not an isomer of the other three? (a) n-Pentane (b) 2,2-Dimethylpropane (c) 2-Methylbutane

Last Answer : 2,3-Dimethylbutane

What does the formula CO2 plus H2O plus energy -C6H12O6 represent?

Description : What does the formula CO2 plus H2O plus energy -C6H12O6 represent?

Last Answer : Production of glucose in plants

If you start with 32 grams of CH4 and react it with O2 to form 88 grams CO2 and 72 grams H2O. How much O2 in grams was consumed?

Description : If you start with 32 grams of CH4 and react it with O2 to form 88 grams CO2 and 72 grams H2O. How much O2 in grams was consumed?

Last Answer : 128 g of oxygen are needed.

How many hydrogen atoms are in CH3COONa plus H2O plus CO2?

Description : How many hydrogen atoms are in CH3COONa plus H2O plus CO2?

Last Answer : CH3COONa plus H2O plus CO2 has 5 Hydrogen, 3 carbon, 5 oxygen,and 1 Sodium

If you start with 32 grams of CH4 and react it with O2 to form 88 grams CO2 and 72 grams H2O. How much O2 in grams was consumed?

Description : If you start with 32 grams of CH4 and react it with O2 to form 88 grams CO2 and 72 grams H2O. How much O2 in grams was consumed?

Last Answer : 128 g of oxygen are needed.

What make H2CO3. Ans you can make H2CO3 by CO2 plus H2O H2CO3 if you want to make sodium hydrogen carbonate then you can make it like this Na plus H2CO3 NaHCO3?

Description : What make H2CO3. Ans you can make H2CO3 by CO2 plus H2O H2CO3 if you want to make sodium hydrogen carbonate then you can make it like this Na plus H2CO3 NaHCO3?

Last Answer : The correct chemical equation is:Na2CO3 + CO2 + H2O = 2 NaHCO3

If glucose-1-phosphate formed by glycogenoloysis in muscles is oxidized to CO2 and H2O, the energy yield will be (A) 2 ATP equivalents (B) 3 ATP equivalents (C) 4 ATP equivalents (D) 8 ATP equivalents

Description : If glucose-1-phosphate formed by glycogenoloysis in muscles is oxidized to CO2 and H2O, the energy yield will be (A) 2 ATP equivalents (B) 3 ATP equivalents (C) 4 ATP equivalents (D) 8 ATP equivalents

Last Answer : Answer : B

Complete oxidation of one molecule of glucose into CO2 and H2O yields (A) 8 ATP equivalents (B) 15 ATP equivalents (C) 30 ATP equivalents (D) 38 ATP equivalents

Description : Complete oxidation of one molecule of glucose into CO2 and H2O yields (A) 8 ATP equivalents (B) 15 ATP equivalents (C) 30 ATP equivalents (D) 38 ATP equivalents

Last Answer : Answer : D

End product of aerobic glycolysis is (A) Acetyl CoA (B) Lactate (C) Pyruvate (D) CO2 and H2O

Description : End product of aerobic glycolysis is (A) Acetyl CoA (B) Lactate (C) Pyruvate (D) CO2 and H2O

Last Answer : Answer : C

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

Gobar gas contains mainly (a) CO2 + H2 (b) CO2 + H2O (c) CH4 only (d) CH4 + CO2.

Description : Gobar gas contains mainly (a) CO2 + H2 (b) CO2 + H2O (c) CH4 only (d) CH4 + CO2.

Last Answer : (d) CH4 + CO2.

How many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole of glucose to CO2 and H2O yields 686 kcal and the useful chemical energy available in the high energy phosphate bond of one mole of ATP is 12 kcal? (a) 1 (b) 2 (c) 30 (d) 57

Description : How many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole of glucose to CO2 and H2O yields 686 kcal and the useful chemical energy available in the high energy phosphate bond of one mole of ATP is 12 kcal? (a) 1 (b) 2 (c) 30 (d) 57

Last Answer : d) 57

End product of citric acid cycle/Krebs’ cycle is (a) citric acid (b) lactic acid (c) pyruvic acid (d) CO2 + H2O

Description : End product of citric acid cycle/Krebs’ cycle is (a) citric acid (b) lactic acid (c) pyruvic acid (d) CO2 + H2O

Last Answer : (d) CO2 + H2O.

A photosynthesising plant is releasing 18O more than the normal. The plant must have been supplied with (a) O3 (b) H2O with 18O (c) CO2 with 18O (d) C6H12O6 with 18O.

Description : A photosynthesising plant is releasing 18O more than the normal. The plant must have been supplied with (a) O3 (b) H2O with 18O (c) CO2 with 18O (d) C6H12O6 with 18O.

Last Answer : (b) H2O with 18O

In Orsat's apparatus, ammoniacal cuprous chloride is used for selectivity absorbing (A) CO (B) CO2 (C) O2 (D) H2O

Description : In Orsat's apparatus, ammoniacal cuprous chloride is used for selectivity absorbing (A) CO (B) CO2 (C) O2 (D) H2O

Last Answer : (A) CO

Which of the following reactions occuring during coal gasification is called the Neumann reversal reaction? (A) 2CO ↔ C + CO2 (B) CO + H2O ↔ CO2 + H2 (C) C + H2O ↔ CO + H2 (D) C + 2H2O ↔ CO2 + 2H2

Description : Which of the following reactions occuring during coal gasification is called the Neumann reversal reaction? (A) 2CO ↔ C + CO2 (B) CO + H2O ↔ CO2 + H2 (C) C + H2O ↔ CO + H2 (D) C + 2H2O ↔ CO2 + 2H2

Last Answer : (A) 2CO ↔ C + CO2

A sample of natural gas containing 80% methane (CH4 ) and rest nitrogen (N2 ) is burnt with 20% excess air. With 80% of the combustibles producing CO2 and the remainder going to CO, the Orsat analysis in volume percent is (A) CO2 : 6.26, CO : 1.56, O2 : 3.91, H2O :15.66, N2 : 72.60 (B) CO2 : 7.42, CO : 1.86, O2 : 4.64, N2 :86.02 (C) CO2 : 6.39, CO : 1.60, O2 : 3.99, H2O:25.96, N2 :72.06 (D) CO2 : 7.60, CO : 1.90, O2 : 4.75, N2 : 85.74

Description : A sample of natural gas containing 80% methane (CH4 ) and rest nitrogen (N2 ) is burnt with 20% excess air. With 80% of the combustibles producing CO2 and the remainder going to CO, the Orsat analysis in volume percent is (A) CO2 : 6 ... 96, N2 :72.06 (D) CO2 : 7.60, CO : 1.90, O2 : 4.75, N2 : 85.74

Last Answer : (B) CO2 : 7.42, CO : 1.86, O2 : 4.64, N2 :86.02

Blast furnace gas is a very poisonous gas because of its predominantly high __________ content. (A) H2O (B) CO2 (C) CO (D) CH4

Description : Blast furnace gas is a very poisonous gas because of its predominantly high __________ content. (A) H2O (B) CO2 (C) CO (D) CH4

Last Answer : (C) CO

The shift conversion reaction taking place during water gas manufacture is given by (A) C + H2O ↔ CO + H2 (B) C + 2H2O ↔ CO2 + 2H2 (C) CO + H2O ↔ CO2 + H2 (D) None of these

Description : The shift conversion reaction taking place during water gas manufacture is given by (A) C + H2O ↔ CO + H2 (B) C + 2H2O ↔ CO2 + 2H2 (C) CO + H2O ↔ CO2 + H2 (D) None of these

Last Answer : (C) CO + H2O ↔ CO2 + H2

Given, 3H2 + CO = CH4 + H2O, KP = 10 1.84 and, 4H2 + CO2 = CH4 + 2H2O, KP = 10 1.17 the KP for the reaction CO + H2O = CO2 + H2 is (A) 10 3.01 (B) 10 -0.67 (C) 10 -3.01 (D) 10 0.67

Description : Given, 3H2 + CO = CH4 + H2O, KP = 10 1.84 and, 4H2 + CO2 = CH4 + 2H2O, KP = 10 1.17 the KP for the reaction CO + H2O = CO2 + H2 is (A) 10 3.01 (B) 10 -0.67 (C) 10 -3.01 (D) 10 0.67

Last Answer : (D) 10 0.67

Pick out the exothermic reaction out of the following: (A) C + H2O = CO + H2 (B) CaC2 + H2O = Ca(OH)2 + C2H2 (C) MgCO3 = MgO + CO2 (D) All (A), (B) and (C)

Description : Pick out the exothermic reaction out of the following: (A) C + H2O = CO + H2 (B) CaC2 + H2O = Ca(OH)2 + C2H2 (C) MgCO3 = MgO + CO2 (D) All (A), (B) and (C)

Last Answer : (B) CaC2 + H2O = Ca(OH)2 + C2H2

Roasting of metallurgical ores is done mainly to (A) Dehydrate it (B) Sinter the ore (C) Remove CO2 & H2O (D) Remove arsenic & sulphur

Description : Roasting of metallurgical ores is done mainly to (A) Dehydrate it (B) Sinter the ore (C) Remove CO2 & H2O (D) Remove arsenic & sulphur

Last Answer : (D) Remove arsenic & sulphur

Pick out the endothermic reaction out of the following. (A) C+ ½O2 = CO (B) CO + 3H2 = CH4 + H2O (C) CaCO3 = CaO + CO2 (D) CO + ½O2 = CO2

Description : Pick out the endothermic reaction out of the following. (A) C+ ½O2 = CO (B) CO + 3H2 = CH4 + H2O (C) CaCO3 = CaO + CO2 (D) CO + ½O2 = CO2

Last Answer : (C) CaCO3 = CaO + CO2

In the reaction, C6H12O6 + 6O2 6CO2 + 6H2O + energy, which component is → being reduced? A- O2 B- CO2 C- .H2O D- Energy

Description : In the reaction, C6H12O6 + 6O2 6CO2 + 6H2O + energy, which component is → being reduced? A- O2 B- CO2 C- .H2O D- Energy

Last Answer : O2

Forward reaction will be favoured for the exothermic reaction, represented by CO + H2O ⇌ CO2 + H2, by (A) Low temperature and high pressure (B) Low temperature and low pressure (C) High temperature and high pressure (D) High temperature and low pressure

Description : Forward reaction will be favoured for the exothermic reaction, represented by CO + H2O ⇌ CO2 + H2, by (A) Low temperature and high pressure (B) Low temperature and low pressure (C) High temperature and high pressure (D) High temperature and low pressure

Last Answer : (A) Low temperature and high pressure

The point of ultra-supercritical steam generator is to save on coal to heat the water and reduce ________ emissions. a. Oxygen (O2) b. Water (H2O) c. Carbon dioxide (CO2) d. Both ‘a’ and ‘c’

Description : The point of ultra-supercritical steam generator is to save on coal to heat the water and reduce ________ emissions. a. Oxygen (O2) b. Water (H2O) c. Carbon dioxide (CO2) d. Both ‘a’ and ‘c’

Last Answer : c. Carbon dioxide (CO2)

This early atmosphere was rich in CO2 and H2O. How did oxygen enter our atmosphere? (a) Meteorites. (b) From organisms that evolved to convert CO2 and H20 into sugars (energy), resulting in the waste product oxygen. (c) Volcanic emissions. (d) Methanogenic bacteria.

Description : This early atmosphere was rich in CO2 and H2O. How did oxygen enter our atmosphere? (a) Meteorites. (b) From organisms that evolved to convert CO2 and H20 into sugars (energy), resulting in the waste product oxygen. (c) Volcanic emissions. (d) Methanogenic bacteria.

Last Answer : (b) From organisms that evolved to convert CO2 and H20 into sugars (energy), resulting in the waste product oxygen.

What is the symbol for salt? a. NaCl c. H2O b. C6H12C6 d. CO2

Description : What is the symbol for salt? a. NaCl c. H2O b. C6H12C6 d. CO2

Last Answer : a. NaCl

In which organelle following reaction takes place 6 CO2 + 6 H2O + energy (from sunlight) ---------> C6H12O6 + 6 O2 (A) Mitochondrion (B) Peroxisome (C) Chloroplast (D) Glyoxysome

Description : In which organelle following reaction takes place 6 CO2 + 6 H2O + energy (from sunlight) ---------> C6H12O6 + 6 O2 (A) Mitochondrion (B) Peroxisome (C) Chloroplast (D) Glyoxysome

Last Answer : (C) Chloroplast

What is the major product from the acid-catalyzed hydration of 2-methyl-2- pentene? (a) 2-methylpentane (b) 2-methyl-1-pentanol (c) 2-methyl-2-pentanol (d) 2-methyl-3-pentanol

Description : What is the major product from the acid-catalyzed hydration of 2-methyl-2- pentene? (a) 2-methylpentane (b) 2-methyl-1-pentanol (c) 2-methyl-2-pentanol (d) 2-methyl-3-pentanol

Last Answer : 2-methyl-2-pentanol

Which of the alkyl chlorides listed below undergoes dehydrohalogenation inthe presence of a strong base to give 2-pentene as the only alkene product?(a) 1-chloropentane(b) 2-chloropentane(c) 3-chloropentane(d) 1-chloro-2-methylbutane

Description : Which of the alkyl chlorides listed below undergoes dehydrohalogenation in the presence of a strong base to give 2-pentene as the only alkene product? (a) 1-chloropentane (b) 2-chloropentane (c) 3-chloropentane (d) 1-chloro-2-methylbutane

Last Answer : 3-chloropentane

What is the major product from the acid-catalyzed hydration of 2-methyl-2- pentene? (a) 2-methylpentane (b) 2-methyl-1-pentanol (c) 2-methyl-2-pentanol (d) 2-methyl-3-pentanol

Description : What is the major product from the acid-catalyzed hydration of 2-methyl-2- pentene? (a) 2-methylpentane (b) 2-methyl-1-pentanol (c) 2-methyl-2-pentanol (d) 2-methyl-3-pentanol

Last Answer : 2-methyl-2-pentanol