Write the molecular formula for each of the following compounds:

Write the molecular formula for each of the following compounds:
by

1 Answer

Answer :

1. Sulphur trioxide

2. Iron (II) sulphide and

3. Ammonia


by

Related questions

The general formula of a homologous series of carbon compounds is C n H 2n . Write the molecular formula of the second and fourth member of the series.

Description : The general formula of a homologous series of carbon compounds is C n H 2n . Write the molecular formula of the second and fourth member of the series.

Last Answer : Second member is n=3, C 3 H 2x3 = C 3 H 6 Fourth member is n=5, C 5 H 2x5 = C 5 H 10

Write the molecular formulae of the third and fifth member of homologous series of carbon compounds represented by the general formula C n H 2n+2

Description : Write the molecular formulae of the third and fifth member of homologous series of carbon compounds represented by the general formula C n H 2n+2

Last Answer : Third member n = 3, C 3 H 2x3+2 = C 3 H 8 Fifth member n = 5, C 5 H 2x5+2 = C 5 H 12

What is the difference in the molecular formula of any two consecutive members of a homologous series of organic compounds? -Chemistry

Description : What is the difference in the molecular formula of any two consecutive members of a homologous series of organic compounds? -Chemistry

Last Answer : —CH2— is the difference in the molecular formula of any two consecutive members of a homologous series of organic compounds.

Compounds with identical molecular formula but different structures are called - (1) Tetravalent compounds (2) Structural isomers (3) Covalent compounds (4) None of the above

Description : Compounds with identical molecular formula but different structures are called - (1) Tetravalent compounds (2) Structural isomers (3) Covalent compounds (4) None of the above

Last Answer : (2) Structural isomers Explanation: Structures with identical molecular formula but different structures are called structural isomers. Eg: Butane.

Which of the following compounds does not have the molecular formula C6H14O? (a) 2-hexanol (b) 3-methyl-2-pentanol (c) 3-methyl-3-pentanol (d) cyclohexano

Description : Which of the following compounds does not have the molecular formula C6H14O? (a) 2-hexanol (b) 3-methyl-2-pentanol (c) 3-methyl-3-pentanol (d) cyclohexano

Last Answer : cyclohexano

Compounds with the same molecular formula but different structural formulas are called (a) Alkoxides (b) Iso compounds (c) Isomers (d) Ortho compounds

Description : Compounds with the same molecular formula but different structural formulas are called (a) Alkoxides (b) Iso compounds (c) Isomers (d) Ortho compounds

Last Answer : Isomers

If two compounds have the same empirical formula but different molecular formula, they must have [MP PMT 1986] (A) Different percentage composition (B) Different molecular weights (C) Same viscosity (D) Same vapour density

Description : If two compounds have the same empirical formula but different molecular formula, they must have [MP PMT 1986] (A) Different percentage composition (B) Different molecular weights (C) Same viscosity (D) Same vapour density

Last Answer : (B) Different molecular weights

Compounds of the same atomic content and molecular formula but with differing structures are called what?

Description : Compounds of the same atomic content and molecular formula but with differing structures are called what?

Last Answer : ANSWER: ISOMERS

Compounds P and R upon ozonolysis produce Q and S, respectively. The molecular formula of Q and S is `C_(8)H_(8)O`. Q undergoes cannizzaro reactions b

Description : Compounds P and R upon ozonolysis produce Q and S, respectively. The molecular formula of Q and S is `C_(8)H_(8)O`. Q undergoes cannizzaro reactions b

Last Answer : Compounds P and R upon ozonolysis produce Q and S, respectively. The molecular formula of Q and S is `C_(8) ... R , respectively is (are) A. B. C. D.

Organic compounds having same molecular formula with different structural arrangement of atoms in them is known as

Description : Organic compounds having same molecular formula with different structural arrangement of atoms in them is known as

Last Answer : isomerism.

What do you call the compounds having the same molecular formula but different structural arrangements of atoms?

Description : What do you call the compounds having the same molecular formula but different structural arrangements of atoms?

Last Answer : Isomers

Write the molecular formulae for the following compounds and name the elements present. (a) Baking soda (b) Common salt (c) Sulphuric acid (d) Nitric acid

Description : Write the molecular formulae for the following compounds and name the elements present. (a) Baking soda (b) Common salt (c) Sulphuric acid (d) Nitric acid

Last Answer : (a) Baking soda - NaHCO3 Elements present in Baking soda are sodium, hydrogen, oxygen and carbon. (b) Common salt - NaCl Element present are: Sodium and chlorine. (c) Sulphuric acid - H2SO4 ... , sulphur and oxygen. (d) Nitric acid - HNO3 Elements present are: Hydrogen, nitrogen and oxygen.

Write the molecular formula for the oxide and sulphide of following elements. (a) Sodium (b) Calcium (c) Hydrogen

Description : Write the molecular formula for the oxide and sulphide of following elements. (a) Sodium (b) Calcium (c) Hydrogen

Last Answer : (a) Sodium oxide Na2O Sodium sulphide Na2S (b) Calcium oxide CaO Calcium sulphide CaS (c) Hydrogen oxide H2O Hydrogen sulphide H2S

Write the molecular formulae for the following compounds -Maths 9th

Description : Write the molecular formulae for the following compounds -Maths 9th

Last Answer : NEED ANSWER

Write the molecular formulae for the following compounds -Maths 9th

Description : Write the molecular formulae for the following compounds -Maths 9th

Last Answer : molecular formulae of the following compounds.

Which statement about the structure of benzene is not true? (a) The two Kekule structures of benzene are in equilibrium. (b) The carbon-carbon bond lengths in benzene are greater than the carbon-carbon double bonds in aliphatic compounds. (c) The molecular geometry of benzene is best described as planar. (d) The stability of benzene ring is much greater than the stability of 1,3,5- cycloheptatriene

Description : Which statement about the structure of benzene is not true? (a) The two Kekule structures of benzene are in equilibrium. (b) The carbon-carbon bond lengths in benzene are greater than the carbon- ... (d) The stability of benzene ring is much greater than the stability of 1,3,5- cycloheptatriene

Last Answer : The two Kekule structures of benzene are in equilibrium

The following compounds have identical molecular weights. Which would have the lowest boiling point? (a) 1-Methoxypropane (b) 1-Butanol (c) 1,1-Dimethylethanol (d) 2-Butanol

Description : The following compounds have identical molecular weights. Which would have the lowest boiling point? (a) 1-Methoxypropane (b) 1-Butanol (c) 1,1-Dimethylethanol (d) 2-Butanol

Last Answer : 1-Methoxypropane

Write the molecular formula of first two members of homologous series having functional group – OH. -Science

Description : Write the molecular formula of first two members of homologous series having functional group – OH. -Science

Last Answer : The general formula for the homologous series of functional group −OH is CnH2n+1OH. The two consecutive members of this series are: a. CH3OH(Methanol) b. CH3CH2OH (Ethanol) where n is 1 and 2 respectively​The molecular formula for both of them are CH4O and C2H6O.

What is alumina? Write its molecular formula.

Description : What is alumina? Write its molecular formula.

Last Answer : Alumina is chemically hydrated oxide of aluminium. Its formula is Al2O3.2H2O.

Write the molecular formula and structure of Stearic acid.

Description : Write the molecular formula and structure of Stearic acid.

Last Answer : Stearic acid is a saturated fatty acid. Its molecular formula is C 17 H 35 COOH. Its sts

Write the molecular formula of some members of amines.

Description : Write the molecular formula of some members of amines.

Last Answer : Name of amine Molecular Formula 1. Methyl amine 2. Ethyl amine CH 3 NH 2 C 2 H 5 NH 2

Write the molecular formula of first five members of carboxylic acid.

Description : Write the molecular formula of first five members of carboxylic acid.

Last Answer : Name of carboxylic acid Molecular Formula 1. Methanoic acid HCOOH 3. Propanoic acid C 2 H 5 COOH 2. Ethanoic acid 4. Butananoic acidu CH 3 COOH C 3 H 7 COOH

Write the molecular formula of first five members of aldehydes.

Description : Write the molecular formula of first five members of aldehydes.

Last Answer : Name of Aldehyde 1. Methanal 2. Ethanal 3. Propanal 4. Butanal 5. Pentanal Molecular Formula HCHO CH 3 CHO CH 3 CH 2 CHO CH 3 CH 2 CH 2 CHO CH 3 CH 2 CH 2 CH 2 CHO

Write the molecular formula of first five members of alcohol.

Description : Write the molecular formula of first five members of alcohol.

Last Answer : Name of Alcohol 1. Methanol 2. Ethanol 3. Propanol 4. Butanol 5. Pentanol Molecular Formula CH 3 OH C 2 H 5 OH CH 3 CH 2 CH 2 OH or C 3 H 7 OH C 4 H 9 OH C 5 H 11 OH

Define: (a) Radical (b) Valency (c) Molecular formula

Description : Define: (a) Radical (b) Valency (c) Molecular formula

Last Answer : (a) Radical: A radical is an atom of an element or a group of atoms of different elements that behaves as a single unit with a positive or negative charge on it.  (b) Valency: It is the ... number of atoms of each element present in it. These atoms combine in whole number to form the molecule. 

An organic compound (A) has a molecular weight 78 and an empirical formula CH. (A) is resistant to attack by oxidizing agents but undergoes substitution and addition reactions. X-ray analysis shows that the distance between adjacent carbon atoms is 1.39Å (intermediate between single and double bond lengths). The evidence suggests that compound (A) is (a) Benzene (b) Cyclohexane (c) Toluene (d) n-Hexane

Description : An organic compound (A) has a molecular weight 78 and an empirical formula CH. (A) is resistant to attack by oxidizing agents but undergoes substitution and addition reactions. X-ray analysis shows that the ... suggests that compound (A) is (a) Benzene (b) Cyclohexane (c) Toluene (d) n-Hexane

Last Answer : Benzene

An organic compound (A) has a molecular weight 78 and an empirical formula CH. (A) is resistant to attack by oxidizing agents but undergoes substitution and addition reactions. X-ray analysis shows that the distance between adjacent carbon atoms is 1.39Å (intermediate between single and double bond lengths). The evidence suggests that compound (A) is (a) Benzene (b) Cyclohexane (c) Toluene (d) n-Hexane

Description : An organic compound (A) has a molecular weight 78 and an empirical formula CH. (A) is resistant to attack by oxidizing agents but undergoes substitution and addition reactions. X-ray analysis shows that the ... suggests that compound (A) is (a) Benzene (b) Cyclohexane (c) Toluene (d) n-Hexane

Last Answer : Benzene

Cycloalkanes have the same molecular formula as : (a) Alkanes (b) Alkenes (c) Alkynes (d) Cycloalkenes

Description : Cycloalkanes have the same molecular formula as : (a) Alkanes (b) Alkenes (c) Alkynes (d) Cycloalkenes

Last Answer : Alkenes

The number of structural isomers of alcohols with molecular formula C4H9OH is (a) 5 (b) 4 (c) 3 (d) 6

Description : The number of structural isomers of alcohols with molecular formula C4H9OH is (a) 5 (b) 4 (c) 3 (d) 6

Last Answer : 4

The number of structural isomers of alcohols with molecular formula C3H7OH is (a) 5 (b) 4 (c) 3 (d) 2

Description : The number of structural isomers of alcohols with molecular formula C3H7OH is (a) 5 (b) 4 (c) 3 (d) 2

Last Answer : 2

There are 8 isomers that have the molecular formula C5H11Br. How many of these are tertiary alkyl bromides? (a) 1 (b) 2 (c) 3 (d) 8

Description : There are 8 isomers that have the molecular formula C5H11Br. How many of these are tertiary alkyl bromides? (a) 1 (b) 2 (c) 3 (d) 8

Last Answer : 1

How many distinct internal alkynes exist with a molecular formula of C6H10? (a) 1 (b) 2 (c) 3 (d) 4

Description : How many distinct internal alkynes exist with a molecular formula of C6H10? (a) 1 (b) 2 (c) 3 (d) 4

Last Answer : 3

How many distinct terminal alkynes exist with a molecular formula of C5H8? (a) 1(b) 2 (c) 3 (d) 4

Description : How many distinct terminal alkynes exist with a molecular formula of C5H8? (a) 1 (b) 2 (c) 3 (d) 4

Last Answer : 2

The eclipsed and staggered forms of ethane are said to differ in __________. (a) molecular formula (b) configuration (c) conformation (d) constitution

Description : The eclipsed and staggered forms of ethane are said to differ in __________. (a) molecular formula (b) configuration (c) conformation (d) constitution

Last Answer : conformation

Which molecular formula indicates 2,2,4-trimethylhexane? (a) C9H20 (b) C9H18 (c) C8H18 (d) C8H16

Description : Which molecular formula indicates 2,2,4-trimethylhexane? (a) C9H20 (b) C9H18 (c) C8H18 (d) C8H16

Last Answer : C9H20

Which molecular formula indicates 2-methylpentane? (a) C5H12(b) C6H14(c) C5H10(d) C6H12

Description : Which molecular formula indicates 2-methylpentane? (a) C5H12 (b) C6H14 (c) C5H10 (d) C6H12

Last Answer : C6H14

How many isomers are possible for the compound with molecular formula C4H8? (a) 2 (b) 4 (c) 6 (d) 8

Description : How many isomers are possible for the compound with molecular formula C4H8? (a) 2 (b) 4 (c) 6 (d) 8

Last Answer : 6

The isomers of a substance must have (a) same chemical properties (b) same molecular weight (c) same structural formula (d) same functional groups

Description : The isomers of a substance must have (a) same chemical properties (b) same molecular weight (c) same structural formula (d) same functional groups

Last Answer : same molecular weight

Acetylene is commonly used in a gas welding torch. Give the molecular formula for acetylene.

Description : Acetylene is commonly used in a gas welding torch. Give the molecular formula for acetylene. 

Last Answer : ANSWER: C2H2 or HC2H or H2C2

Give the general name of the class of compounds having the general formula C n H 2n-2 . Write the first member of this homologous series.

Description : Give the general name of the class of compounds having the general formula C n H 2n-2 . Write the first member of this homologous series.

Last Answer : Alkynes. The first member is Ethyne.

What are large compounds that are composed of many smaller molecular subunits?

Description : What are large compounds that are composed of many smaller molecular subunits?

Last Answer : DNAProteinsPolymers

Are covalent molecular compounds ductile?

Description : Are covalent molecular compounds ductile?

Last Answer : What is the answer ?

Is Ba(SCN)2(S) ionic or molecular compounds?

Description : Is Ba(SCN)2(S) ionic or molecular compounds?

Last Answer : Need answer

How compared with the melting points of ionic compounds the melting points of molecular solids tend to be?

Description : How compared with the melting points of ionic compounds the melting points of molecular solids tend to be?

Last Answer : Ionic compounds have a higher melting point.

What statement about Arrhenius acids is FALSETheir aqueous solutions are electrolytesTheir water solutions are called aqueous acids They increase the concentration of hydroxide ions in aqueous solutionThey are molecular compounds with hydrogen ions?

Description : What statement about Arrhenius acids is FALSETheir aqueous solutions are electrolytesTheir water solutions are called aqueous acids They increase the concentration of hydroxide ions in aqueous solutionThey are molecular compounds with hydrogen ions?

Last Answer : The answer is: They increase the concentration of hydroxide ions in aqueous solution.

Asphalts are(A) Low molecular weight & low boiling point compounds present in petroleum (B) Desirable in catalytic cracking feedstock, because they produce coke (C) Readily oxidisable and form carbonaceous sludge (D) All (A), (B) & (C)

Description : Asphalts are (A) Low molecular weight & low boiling point compounds present in petroleum (B) Desirable in catalytic cracking feedstock, because they produce coke (C) Readily oxidisable and form carbonaceous sludge (D) All (A), (B) & (C)

Last Answer : (C) Readily oxidisable and form carbonaceous sludge

Compounds with same molecular for- mula but different structures are known as?

Description : Compounds with same molecular for- mula but different structures are known as?

Last Answer : Isomers Eg: Glucose

Compounds possessing hormone like properties which have small molecular weight, are termed as : a. Auxins b. Gibberellins c. Kinins d. None of these

Description : Compounds possessing hormone like properties which have small molecular weight, are termed as : a. Auxins b. Gibberellins c. Kinins d. None of these

Last Answer : Kinins

The given diagrammatic OH OH HOCH O 2 “X” representation shows one of the categories of small molecular weight organic compounds in the living tissues. Identify the category shown and the one blank component “X” in it. Category Component (a) Cholesterol Guanine (b) Amino acid NH2 (c) Nucleotide Adenine (d) Nucleoside Uracil

Description : The given diagrammatic OH OH HOCH O 2 X representation shows one of the categories of small molecular weight organic compounds in the living tissues. Identify the category shown and the one ... Component (a) Cholesterol Guanine (b) Amino acid NH2 (c) Nucleotide Adenine (d) Nucleoside Uracil

Last Answer : (d) Nucleoside Uracil

Application of HPLC includes? A. Detection of functional groups in organic compounds B. Determination of molecular mass C. Separation of volatile compounds D. Impurity profiling

Description : Application of HPLC includes? A. Detection of functional groups in organic compounds B. Determination of molecular mass C. Separation of volatile compounds D. Impurity profiling

Last Answer : D. Impurity profiling