What are the 2 elements in methane CH4?

What are the 2 elements in methane CH4?
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Methane contain carbon and hydrogen.
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What is the shape of methane CH4 molecule ?

Description : What is the shape of methane CH4 molecule ?

Last Answer : The shape of the CH4 molecule is quadrangular.

What is the amount of methane ( CH4) in natural gas of Bangladesh ?

Description : What is the amount of methane ( CH4) in natural gas of Bangladesh ?

Last Answer : 99.99% of the natural gas found in Bangladesh is methane.

What is the volume in liters of 0.75 mol of methane gas (CH4)?

Description : What is the volume in liters of 0.75 mol of methane gas (CH4)?

Last Answer : The volume is 17 L.

Which of the following statements is true about Methane? (1) It is widely used as a fuel. (2) It is a major component of bio-gas and Compressed Natural Gas. (3) It has a formula CH4. (4) All of the above

Description : Which of the following statements is true about Methane? (1) It is widely used as a fuel. (2) It is a major component of bio-gas and Compressed Natural Gas. (3) It has a formula CH4. (4) All of the above

Last Answer : (4) All of the above Explanation: All the statements mentioned above are correct. Furthermore, Hydrogen has a valency of 1 while Carbon has four valence electrons. In order to achieve ... , carbon shares these electrons with four atoms of hydrogen resulting in formation of methane- CH4.

In sewers the gas generally found, is A. Hydrogen sulphide (H2S) B. Carbon dioxide (CO2) C. Methane (CH4) D. All the above

Description : In sewers the gas generally found, is A. Hydrogen sulphide (H2S) B. Carbon dioxide (CO2) C. Methane (CH4) D. All the above

Last Answer : ANS: D

The main culprit of greenhouse effect is Carbon dioxide. But which is the second element contributing most to greenhouse effect A. Nitrogen Dioxide (NO2) B. Chlorofluorocarbons (CFCs) C. Methane (CH4) (Answer) D. High-fructose corn syrup (HFCs)

Description : The main culprit of greenhouse effect is Carbon dioxide. But which is the second element contributing most to greenhouse effect A. Nitrogen Dioxide (NO2) B. Chlorofluorocarbons (CFCs) C. Methane (CH4) (Answer) D. High-fructose corn syrup (HFCs)

Last Answer : C. Methane (CH4) (Answer)

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

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.

CH4 is a member of which homogenous class ?

Description : CH4 is a member of which homogenous class ?

Last Answer : CH4 is a member of the alkene family.

What type of reaction is CH4 plus 2O2 - CO2 plus 2H2O?

Description : What type of reaction is CH4 plus 2O2 - CO2 plus 2H2O?

Last Answer : Hydrocarbons such as methane burning in oxygen is an example ofoxidation and also combustion.

Why NH3 has a higher boiling point than CH4 and HCl?

Description : Why NH3 has a higher boiling point than CH4 and HCl?

Last Answer : Both NH3 and HCl exhibit hydrogen bonding as intermolecularforces, whereas CH4 does not. This makes CH4 have a lower boilingpoint. Since there are 3 hydrogen atoms in NH3 and only 1 inHCl(g), the intermolecular forces would be expected to be greaterin NH3 than in HCl.

What is a product in the following chemical reaction CH4 plus 2O2 CO2 plus 2H2O?

Description : What is a product in the following chemical reaction CH4 plus 2O2 CO2 plus 2H2O?

Last Answer : Products are carbon dioxide and water.

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 number would you use to convert moles of CH4 to grams of CH4?

Description : What number would you use to convert moles of CH4 to grams of CH4?

Last Answer : Need answer

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.

Which molecule is more likely to exist in nature a molecule of CH3 or a molecule of CH4 Explain?

Description : Which molecule is more likely to exist in nature a molecule of CH3 or a molecule of CH4 Explain?

Last Answer : The molecule of methane is more stable, carbon is tetravalent.

How many moles of CH4 are contained in 96.0 grams of CH4 ?

Description : How many moles of CH4 are contained in 96.0 grams of CH4 ?

Last Answer : The molecular mass will be 12 + (1x4) because carbon's Atomic Mass is 12 and hydrogen's atomic mass is 1. That gives you a molecular mass for methane of 16. 1 mole of methane will be 16g All you need to do now is divide your 96.0 g of methane by 16g and you will get the number of moles you want.

Producer gas is a mixture of (a) CO and H2 (b) CO and N2 (c) CH4 and H2 (d) CO2 and H2

Description : Producer gas is a mixture of (a) CO and H2 (b) CO and N2 (c) CH4 and H2 (d) CO2 and H2

Last Answer : Ans:(a)

Compound having tetrahedral structure is ______. (1) C2H4 (2) C2H2 (3) CH4 (4) None of these

Description : Compound having tetrahedral structure is ______. (1) C2H4 (2) C2H2 (3) CH4 (4) None of these

Last Answer : (3) CH4 Explanation: Methane is a tetrahedral molecule with four equivalent C-H bonds. Its electronic structure is described by four bonding molecular orbital resulting from the overlap of the valence orbitals on C and H.

Main constituent of natural gas is (A) CH4 (B) C2H2 (C) C2H4 (D) C2H6

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Last Answer : (A) CH4

Is the bond energy of all the four C-H bonds in CH4 molecule equal? If not then why ? How is C-H bond energy then reported?

Description : Is the bond energy of all the four C-H bonds in CH4 molecule equal? If not then why ? How is C-H bond energy then reported?

Last Answer : Ans. No because after breaking of C-H bonds one by one, the electronic environments change. The reported value is the average of of the bond dissociation energies of the four C-H bonds.

Apart from tetrahedral geometry another possible geometry for CH4 is square planar with four hydrogen atoms at the corners of the square and the carbon atom at the centre.Explain why CH4 is not square planar?

Description : Apart from tetrahedral geometry another possible geometry for CH4 is square planar with four hydrogen atoms at the corners of the square and the carbon atom at the centre.Explain why CH4 is not square planar?

Last Answer : Ans For square planar arrangement hybridization is dsp2 which is not possible with Carbon as it does not have d orbital with it

Apart from tertrahedral geometry ,another possible geometry for CH4 is square planar with the four H atoms at the corners of square and C atom at its centre. Explain why CH4 is not square planar.

Description : Apart from tertrahedral geometry ,another possible geometry for CH4 is square planar with the four H atoms at the corners of square and C atom at its centre. Explain why CH4 is not square planar.

Last Answer : Ans. In square planar geometry , the bond angle will be 90 ° which is less than bond angle in tetrahedral geometry ( 109.5 °).Therefore repulsive forces in square planar will be more and it will be less stable as compared to tetrahedral geometry.

What is the chemical formula of Ozone? A. H2O B. C12 C. O3 (Answer) D. CH4

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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.

Which was absent in the atmosphere at the time of origin of life? (a) NH3 (b) H2 (c) O2 (d) CH4

Description : Which was absent in the atmosphere at the time of origin of life? (a) NH3 (b) H2 (c) O2 (d) CH4

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From his experiments, S.L. Miller produced amino acids by mixing the following in a closed flask. (a) CH4, H2, NH3 and water vapor at 800°C (b) CH3, H2, NH4 and water vapor at 800°C (c) CH4, H2, NH3 and water vapor at 600°C (d) CH3, H2, NH3 and water vapor at 600°C

Description : From his experiments, S.L. Miller produced amino acids by mixing the following in a closed flask. (a) CH4, H2, NH3 and water vapor at 800°C (b) CH3, H2, NH4 and water vapor at 800°C (c) CH4, H2, NH3 and water vapor at 600°C (d) CH3, H2, NH3 and water vapor at 600°C

Last Answer : a) CH4, H2, NH3 and water vapor at 800°C

Global warming is attributed to increase in concentration of green house gases like (A) CO2 (B) CFCs (C)CH4 (D) All of these

Description : Global warming is attributed to increase in concentration of green house gases like (A) CO2 (B) CFCs (C)CH4 (D) All of these

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The main constituent of biogas is (a) H2 (b) H2S (c) N2 (d) CH4

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Which gas is released from paddy fields? a) CO2 b) H2S c) CH4 d) NH3

Description : Which gas is released from paddy fields? a) CO2 b) H2S c) CH4 d) NH3

Last Answer : c) CH4

Which combination of gases is suitable for fruit ripening? (a) 80% CH4 and 20% CO2 (b) 80% CO2 and 20% O2 (c) 80% C2H4 and 20% CO2 (d) 80% CO2 and 20% CH2

Description : Which combination of gases is suitable for fruit ripening? (a) 80% CH4 and 20% CO2 (b) 80% CO2 and 20% O2 (c) 80% C2H4 and 20% CO2 (d) 80% CO2 and 20% CH2

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Coke oven gas consists mainly of (A) H2 & CH4 (B) CO & CO2 (C) H2 & CO (D) CH4 & CO

Description : Coke oven gas consists mainly of (A) H2 & CH4 (B) CO & CO2 (C) H2 & CO (D) CH4 & CO

Last Answer : (A) H2 & CH4

Blast furnace gas burns with a bluish flame, because of the presence of (A) CO (B) CH4 (C) CO2 (D) S

Description : Blast furnace gas burns with a bluish flame, because of the presence of (A) CO (B) CH4 (C) CO2 (D) S

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Which of the following has the highest flame speed? (A) CO (B) H2 (C) CH4 (D) C2H6

Description : Which of the following has the highest flame speed? (A) CO (B) H2 (C) CH4 (D) C2H6

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Calorific value of gobar gas (containing CH4 = 60% , H2 = 10% ; CO2 = 30%) may be about __________ Kcal/Nm3 . (A) 1,800 (B) 3,200 (C) 5,400 (D) 10,200

Description : Calorific value of gobar gas (containing CH4 = 60% , H2 = 10% ; CO2 = 30%) may be about __________ Kcal/Nm3 . (A) 1,800 (B) 3,200 (C) 5,400 (D) 10,200

Last Answer : (C) 5,400

Which of the following has the highest flame velocity? (A) H2 (B) CO (C) CH4 (D) C2H6

Description : Which of the following has the highest flame velocity? (A) H2 (B) CO (C) CH4 (D) C2H6

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The calorific value of a gas of composition CO2 = 20%, H2 = 50%, CH4 = 30%, is y. If the composition of gas is changed to H2 = 50%, CH4 = 30%, CO2 = 10%, N2 = 10%, then the calorific value will be (A) y (B) 0.95 y (C) 1.05 y (D) 1.8 y

Description : The calorific value of a gas of composition CO2 = 20%, H2 = 50%, CH4 = 30%, is y. If the composition of gas is changed to H2 = 50%, CH4 = 30%, CO2 = 10%, N2 = 10%, then the calorific value will be (A) y (B) 0.95 y (C) 1.05 y (D) 1.8 y

Last Answer : (A) y

Coke oven gas constitutes mainly of (A) H2 & CO (B) H2 & CH4 (C) CH4 & CO (D) H2 & CO2

Description : Coke oven gas constitutes mainly of (A) H2 & CO (B) H2 & CH4 (C) CH4 & CO (D) H2 & CO2

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Main constituent of natural gas is (A) CH4 (upto 90%) (B) C2H6 (C) C3H8 (D) H2

Description : Main constituent of natural gas is (A) CH4 (upto 90%) (B) C2H6 (C) C3H8 (D) H2

Last Answer : (A) CH4 (upto 90%)

Which of the following has the highest heat of combustion? (A) H2 (B) CO (C) CH4 (D) C2H6

Description : Which of the following has the highest heat of combustion? (A) H2 (B) CO (C) CH4 (D) C2H6

Last Answer : (D) C2H6

Which of the following combustibles is absent in blast furnace gas?(A) H2 (B) CH4 (C) CO (D) None of these

Description : Which of the following combustibles is absent in blast furnace gas? (A) H2 (B) CH4 (C) CO (D) None of these

Last Answer : (B) CH4

. Water gas constitutes mainly of (A) CO & H2 (B) CO & N2 (C) CO2 & H2 (D) CH4 & H2

Description : . Water gas constitutes mainly of (A) CO & H2 (B) CO & N2 (C) CO2 & H2 (D) CH4 & H2

Last Answer : (A) CO & H2

Gobar gas constitutes mainly of (A) CH4 & CO2 (B) CO & CO2 (C) CH4 & N2 (D) CO & N

Description : Gobar gas constitutes mainly of (A) CH4 & CO2 (B) CO & CO2 (C) CH4 & N2 (D) CO & N

Last Answer : (A) CH4 & CO2

Coke oven gas burns with a yellowish flame, because of the presence of (A) CO2 (B) CH4 (C) H2(D) NH3

Description : Coke oven gas burns with a yellowish flame, because of the presence of (A) CO2 (B) CH4 (C) H2 (D) NH3

Last Answer : (B) CH4

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

Main constituents of purified Lurgi gas are (A) H2 , CmHn & CO2 (B) CO, H2 & CH4 (C) CO2 , O2 & CO (D) N2 , H2 & CO2

Description : Main constituents of purified Lurgi gas are (A) H2 , CmHn & CO2 (B) CO, H2 & CH4 (C) CO2 , O2 & CO (D) N2 , H2 & CO2

Last Answer : (B) CO, H2 & CH4

Blast furnace gas constitutes mainly of (A) N2 & CH4 (B) N2 & H2 (C) N2 & CO (D) CH4 & CO2

Description : Blast furnace gas constitutes mainly of (A) N2 & CH4 (B) N2 & H2 (C) N2 & CO (D) CH4 & CO2

Last Answer : (C) N2 & CO

Main constituent of the gas produced from a gobar gas plant is (A) CO2 (B) CH4 (C) H2 (D) CO

Description : Main constituent of the gas produced from a gobar gas plant is (A) CO2 (B) CH4 (C) H2 (D) CO

Last Answer : (B) CH4

Largest constituent of coke oven gas is (A) N2 (B) H2 (C) CH4 (D) CO

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Last Answer : (B) H2

The gas which contributes maximum to the heating value of natural gas is (A) CO (B) CO2 (C) H2 (D) CH4

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