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

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

Compounds having the same structural formula but differing in spatial configuration are known as (A) Stereoisomers (B) Anomers (C) Optical isomers (D) Epimers

Description : Compounds having the same structural formula but differing in spatial configuration are known as (A) Stereoisomers (B) Anomers (C) Optical isomers (D) Epimers

Last Answer : A

Compounds having the same structural formula but differing in spatial configuration are known as (A) Stereoisomers (B) Anomers (C) Optical isomers (D) Epimers

Description : Compounds having the same structural formula but differing in spatial configuration are known as (A) Stereoisomers (B) Anomers (C) Optical isomers (D) Epimers

Last Answer : (A) Stereoisomers

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 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

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 two elements required to form substitutional solid solution should not have (A) Same crystalline structure (B) Same valency (C) Widely differing electronegativity (D) Same atomic sizes

Description : The two elements required to form substitutional solid solution should not have (A) Same crystalline structure (B) Same valency (C) Widely differing electronegativity (D) Same atomic sizes

Last Answer : C) Widely differing electronegativity

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

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.

Write the molecular formula for each of the following compounds:

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

Last Answer : 1. Sulphur trioxide 2. Iron (II) sulphide and 3. Ammonia

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

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.

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.

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

Which of the following statements is correct concerning a pair of enantiomers? (a) They rotate the plane of polarized light by exactly the same amount and in opposite directions. (b) They rotate the plane of polarized light by differing amounts and in opposite directions. (c) They rotate the plane of polarized light by differing amounts and in the same direction. (d) They have different melting point

Description : Which of the following statements is correct concerning a pair of enantiomers? (a) They rotate the plane of polarized light by exactly the same amount and in opposite directions. (b) They rotate ... polarized light by differing amounts and in the same direction. (d) They have different melting point

Last Answer : They rotate the plane of polarized light by exactly the same amount and in opposite directions.

______ opposition is the relation between two propositions having the same subject and predicate but differing in quantity only. A) Contrary B) Contradictory C) Subaltern D) Sub-contrary.

Description :  ______ opposition is the relation between two propositions having the same subject and predicate but differing in quantity only. A) Contrary B) Contradictory C) Subaltern D) Sub-contrary. 

Last Answer : C) Subaltern

The relation between two particular propositions having the same subject and predicate but differing in quality is _________opposition. A) contrary B) Contradictory C) subalternation D) sub-contrary.

Description : The relation between two particular propositions having the same subject and predicate but differing in quality is _________opposition. A) contrary B) Contradictory C) subalternation D) sub-contrary. 

Last Answer : D) sub-contrary. 

___________ is the relation between two propositions having the same subject but differing in both quality and quantity. A) Contrary opposition B) Contradictory opposition C) Subalternation D) Sub- contrary.

Description :  ___________ is the relation between two propositions having the same subject but differing in both quality and quantity. A) Contrary opposition B) Contradictory opposition C) Subalternation D) Sub- contrary. 

Last Answer : B) Contradictory opposition

__________ is the relation between two universal propositions having the same subject but differing in quality only. A) Contrary opposition B) Contradictory opposition C) Subaltern D) Sub- contrary.

Description : __________ is the relation between two universal propositions having the same subject but differing in quality only. A) Contrary opposition B) Contradictory opposition C) Subaltern D) Sub- contrary.

Last Answer : A) Contrary opposition 

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 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

Compound having the same molecular formula but different structural formula are called?

Description : Compound having the same molecular formula but different structural formula are called?

Last Answer : Isomers

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

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.

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

Atomic mass of Nitrogen is 14 and that of Hydrogen is 1. What will be the molecular mass of Ammonia? (1) 18 (2) 17 (3) 16 (4) 15

Description : Atomic mass of Nitrogen is 14 and that of Hydrogen is 1. What will be the molecular mass of Ammonia? (1) 18 (2) 17 (3) 16 (4) 15

Last Answer : (2) 17 Explanation: Ammonia (NH3) is composed of one atom of Nitrogen and three Hydrogen atoms. This means that its molar mass of ammonia will be the sum of the molar mass of one nitrogen atom and three times the molar mass of a hydrogen atom.

Distinguish between atomic orbital and molecular orbital.

Description : Distinguish between atomic orbital and molecular orbital.

Last Answer : Ans An atomic orbital is monocentric while a molecular orbital is polycentric.

The law of definite proportions is not applicable to nitrogen oxide because [EAMCET 1981] (A) Nitrogen’s atomic weight is not constant (B) Nitrogen’s molecular weight is variable (C) Nitrogen’s equivalent weight is variable (D) Oxygen’s atomic weight is variable

Description : The law of definite proportions is not applicable to nitrogen oxide because [EAMCET 1981] (A) Nitrogen’s atomic weight is not constant (B) Nitrogen’s molecular weight is variable (C) Nitrogen’s equivalent weight is variable (D) Oxygen’s atomic weight is variable

Last Answer : (C) Nitrogen’s equivalent weight is variable

Solids may be considered to be either crystalline noncrystalline. The basic difference between them is that a crystal, in contrast to a noncrystal: w) has a sharp melting point x) has an irregular array of atoms y) exhibits double refraction z) has a completely regular atomic or molecular structure

Description : Solids may be considered to be either crystalline noncrystalline. The basic difference between them is that a crystal, in contrast to a noncrystal: w) has a sharp melting point x) has an irregular array of atoms y) exhibits double refraction z) has a completely regular atomic or molecular structure

Last Answer : ANSWER: Z -- HAS A COMPLETELY REGULAR ATOMIC OR MOLECULAR STRUCTURE

A gaseous organic compound that is best known for its use in preservative solutions has the chemical formula HCHO (read: H - C - H CHEM-92; Short Answer: Give me the name and atomic number of the element I am thinking about. It occupies the same column in the periodic table as selenium. Under standard conditions of temperature and pressure this element is a clear, odorless gas. This element is one of the essential ingredients in the burning process.

Description : A gaseous organic compound that is best known for its use in preservative solutions has the chemical formula HCHO (read: H - C - H CHEM-92; Short Answer: Give me the name and atomic number ... element is a clear, odorless gas. This element is one of the essential ingredients in the burning process.

Last Answer : ANSWER: OXYGEN ATOMIC NUMBER = 8

Give the molecular structures of : `XeF_(2),XeF_(4),XeF_(6)` `XeOF_(4) " and " XeO_(3)`

Description : Give the molecular structures of : `XeF_(2),XeF_(4),XeF_(6)` `XeOF_(4) " and " XeO_(3)`

Last Answer : Give the molecular structures of : `XeF_(2),XeF_(4),XeF_(6)` `XeOF_(4) " and " XeO_(3)`

What are the properties of simple molecular structures?

Description : What are the properties of simple molecular structures?

Last Answer : Simple molecular structures have very strong covalent bonds, but the intermolecular forces are very weak. This means they can be parted easily, which means they are not very hard or strong and can ... well. Simple molecular solids such as ice, tends to melt easily and dissolve in organic solvents.

What are the properties of simple molecular structures?

Description : What are the properties of simple molecular structures?

Last Answer : Simple molecular structures have very strong covalent bonds, but the intermolecular forces are very weak. This means they can be parted easily, which means they are not very hard or strong and can ... well. Simple molecular solids such as ice, tends to melt easily and dissolve in organic solvents.

The catalytic power of enzymes is due to (a) the presence of amino acids in their structures (b) their high molecular weight (c) their ability to lower the activation energy of the reaction (d) their limited solubility in water and other solvents

Description : The catalytic power of enzymes is due to (a) the presence of amino acids in their structures (b) their high molecular weight (c) their ability to lower the activation energy of the reaction (d) their limited solubility in water and other solvents

Last Answer : Ans:(c)

What is the molecular mass of a gas that effuses through a small hole at twice the rate as oxygen gas at the same temperature. (The molecular mass of O2 is 32.) w) 8.0 atomic mass units x) 16 atomic mass units y) 48 atomic mass units z) 64 atomic mass units

Description : What is the molecular mass of a gas that effuses through a small hole at twice the rate as oxygen gas at the same temperature. (The molecular mass of O2 is 32.) w) 8.0 atomic mass units x) 16 atomic mass units y) 48 atomic mass units z) 64 atomic mass units

Last Answer : ANSWER: W -- 8.0 ATOMIC MASS UNITS

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

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. 

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

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