Which of the following statements are correct concerning delocalized electrons? (a) Electrons do not belong to a single atom. (b) Electrons are not confined to a bond between two atoms (c) Electrons are shared by three or more atoms.(d) (a), (b) and (c)

Which of the following statements are correct concerning delocalized
electrons?
(a) Electrons do not belong to a single atom.
(b) Electrons are not confined to a bond between two atoms
(c) Electrons are shared by three or more atoms.
(d) (a), (b) and (c)
by

1 Answer

Answer :

(d) (a), (b) and (c)
by

Related questions

Which of the following statements about benzene is correct? (a) All of the carbon atoms are sp3 hybridized. (b) It has no delocalized electrons. (c) The carbon-carbon bond length is longer than that of ethane. (d) It is a planar molecule.

Description : Which of the following statements about benzene is correct? (a) All of the carbon atoms are sp3 hybridized. (b) It has no delocalized electrons. (c) The carbon-carbon bond length is longer than that of ethane. (d) It is a planar molecule.

Last Answer : It is a planar molecule.

The temporary effect in which there is a complete transfer of shared pair of `pi-` electrons to one of the atoms joined by a multiple bond on the dema

Description : The temporary effect in which there is a complete transfer of shared pair of `pi-` electrons to one of the atoms joined by a multiple bond on the dema

Last Answer : The temporary effect in which there is a complete transfer of shared pair of `pi-` ... effect C. hyperconjugation D. negative resonance effect

(3) the number of electrons orbiting around the nucleus Explanation: The chemical behavior of an atom is determined by the number of electrons on its outer shell. As for the chemical bonding properties of the atom, the electron configuration determines how it will bond, with what it will bond, and in what ratio atoms will bond to form the 20,000,000 different substances on Earth.

Description : (3) the number of electrons orbiting around the nucleus Explanation: The chemical behavior of an atom is determined by the number of electrons on its outer shell. As for the chemical bonding properties of ... , and in what ratio atoms will bond to form the 20,000,000 different substances on Earth.

Last Answer : Methyl phenyl ether can be obtained by reacting - (1) phenolate ions and methyl iodide (2) methoxide ions and bromobenzene (3) methanol and phenol (4) bromobenzene and methyl bromide

Which of the following statements is correct concerning an auditor's responsibilities regarding financial statements? a. The auditor's report should provide an assurance as to the future viability of the entity. b. Making suggestions that are adopted about the form and content of an entity's financial statements impairs an auditor's independence. c. An auditor's responsibilities for audited financial statements are confined to the expression of the auditor's opinion. d. The fair presentation of audited financial statements in accordance with an applicable financial reporting framework is an implicit part of the auditor's responsibilities

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Pyrrole is less basic than pyridine because the lone-pair of electrons on Natom in pyrrole (a) is part of the delocalized π molecular orbital. (b) is not part of the delocalized π molecular orbital. (c) resides in sp2 hybrid orbital (d) resides in sp hybrid orbital

Description : Pyrrole is less basic than pyridine because the lone-pair of electrons on Natom in pyrrole (a) is part of the delocalized π molecular orbital. (b) is not part of the delocalized π molecular orbital. (c) resides in sp2 hybrid orbital (d) resides in sp hybrid orbital

Last Answer : is part of the delocalized π molecular orbital.

Pyridine has a delocalized π molecular orbital containing (a) 4 electrons (b) 6 electrons (c) 8 electrons (d) 12 electrons

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Which of the following is incorrect? (a) Resonance stabilization is the extra stability a compound gains from having delocalized electrons. (b) Delocalized electrons destabilize a compound. (c) The greater the number of relatively stable resonance contributors, the greater is the resonance stabilization(d) (a) and (c).

Description : Which of the following is incorrect? (a) Resonance stabilization is the extra stability a compound gains from having delocalized electrons. (b) Delocalized electrons destabilize a compound. (c) The greater ... stable resonance contributors, the greater is the resonance stabilization. (d) (a) and (c)

Last Answer : Delocalized electrons destabilize a compound

Name the type of bond in which there is an unequal attraction for the shared electrons and a resultant unbalanced distribution of charge:

Description : Name the type of bond in which there is an unequal attraction for the shared electrons and a resultant unbalanced distribution of charge:

Last Answer : ANSWER: POLAR COVALENT BOND

A bond in which there is an unequal attraction for the shared electrons and a resultant unbalanced distribution of charge is which one of the following types of bonds? w) ionic x) pure covalent y) nonpolar covalent z) polar covalent

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Last Answer : ANSWER: Z -- POLAR COVALENT 

Which of the following statements concerning SN2 reactions of alkyl halides is not correct? (a) The rate of reaction depends on the concentration of the nucleophile. (b) The rate of reaction depends on the concentration of the alkyl halide. (c) The rate of reaction of a particular alkyl bromide depends on the steric accessibility of the carbon of the C-Br bond. (d) All alkyl iodides react more rapidly than all alkyl chlorides

Description : Which of the following statements concerning SN2 reactions of alkyl halides is not correct? (a) The rate of reaction depends on the concentration of the nucleophile. (b) The rate of reaction depends on the ... carbon of the C-Br bond. (d) All alkyl iodides react more rapidly than all alkyl chlorides

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What are free electrons or delocalized electrons?

Description : What are free electrons or delocalized electrons?

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What are free electrons or delocalized electrons?

Description : What are free electrons or delocalized electrons?

Last Answer : Valence electrons

Which one of the following statements concerning elements in the Periodic Table is correct? A Elements of the same group all have the same number of electrons in the outermost occupied electron shell. B Elements of Group 16 occur as cations in ionic compounds. C Oxides of elements in Groups 16 and 17 are basic. D The halogens (Group 17) are all gases at room temperature. E The Group 13 elements are all metals.

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What is the atom in a molecule of water that is more visited by the shared electrons?

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Hydrogen bonds are formed when a hydrogen atom is shared between two ____. a. molecules c. elements b. atoms d. neutrons

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What is a chemical bond formed between shared atoms?

Description : What is a chemical bond formed between shared atoms?

Last Answer : Need answer

In the water molecule are electrons are equally shared by hydrogen atoms and oxygen atoms?

Description : In the water molecule are electrons are equally shared by hydrogen atoms and oxygen atoms?

Last Answer : What is the answer ?

(A) Heterolytic fission involves the breaking of a covalent bond in such a way that both the electrons of the shared pair are carried away by one of t

Description : (A) Heterolytic fission involves the breaking of a covalent bond in such a way that both the electrons of the shared pair are carried away by one of t

Last Answer : (A) Heterolytic fission involves the breaking of a covalent bond in such a way that both the electrons of ... IF (A) is incorrect but (R) is correct.

How many total electrons are shared in a triple covalent bond?

Description : How many total electrons are shared in a triple covalent bond?

Last Answer : 4 :)

How many total electrons are shared in a triple covalent bond?

Description : How many total electrons are shared in a triple covalent bond?

Last Answer : 4 :)

Catenation is a property of the carbon atom which describes its ability to (a) bond with other carbon atoms (b) form double and triple bonds (c) exist in plant and animal form (d) form bonds in its ground state

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The bond most likely to be formed when two atoms differ SOMEWHAT in their tendency to attract electrons is: w) nonpolar ionic x) polar ionic y) polar covalent z) nonpolar covalent

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(1) they contain free electrons Explanation: Metals typically consist of closepacked atoms, meaning that the atoms are arranged like closely packed spheres. Two packing motifs are common, one being bodycentered cubic wherein each metal atom is surrounded by eight equivalent atoms. The other main motif is face-centered cubic where the metal atoms are surrounded by six neighboring atoms. Several metals adopt both structures, depending on the temperature.

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Which of the following statements are correct concerning benzene? (a) Benzene is a planar molecule. (b) The six carbon-carbon bonds have the same length. (c) Benzene has alternating single and double bonds. (d) (a) and (b)

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Last Answer : (a) and (b)

A(n) _____ bond forms when two atoms share one or more pairs of electrons?

Description : A(n) _____ bond forms when two atoms share one or more pairs of electrons?

Last Answer : covelent

In which type of bond are one or more electrons transferred from one atom to another?

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Last Answer : Need answer

What The double bond between carbon atom and two oxygen atoms has two characteristics what are they?

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What is the maximun number of atoms that a carbon atom can bond with in an organic compoud?

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Last Answer : Feel Free to Answer

Is A nonpolar bond is formed when two atoms share electrons unequally?

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What is a chemical bond that occurs when atoms share electrons?

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Last Answer : This is a covalent bond.

All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent. (A) Deuterium (B) Hydrogen (C) Neon (D) Helium

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Which of the following is not correct concerning substitution and elimination reactions of alkyl halides? (a) The electrophile replaces the leaving group. (b) Compounds containing electron-donating groups bonded to an sp3 hybridized carbon undergo substitution and elimination reactions. (c) The electronegative atom is replaced by another atom or group in substitution reactions. (d) (a) and (b)

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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

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Last Answer : Benzene

The delocalized π system in benzene is formed by a cyclic overlap of 6 orbitals. (a) s (b) p (c) sp (d) sp2

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Which of the following statements about ethene, C2H4, is incorrect? (a) The H–C–H bond angles are approximately 109.5°. (b) There is a total of five sigma bonds. (c) The carbon atoms are sp2 hybridized. (d) The H–C–H bond angles are approximately 120°.

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Last Answer : The H–C–H bond angles are approximately 109.5°.

Which of the following statements is incorrect? (a) Electrons move toward positively charged locations. (b) An electron-rich atom is called an electrophile. (c) An electrophile is electron loving. (d) A nucleophile has a a pair of electrons it can share

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Last Answer : An electron-rich atom is called an electrophile.

Which one of the following statements concerning glucose-6-phosphate dehydrogenase deficiency is correct? (A) Young R.B.Cs, particularly reticulocytes, contain the highest enzyme activity cells show less enzyme activity (B) Glucose-6-P Dehydroglucose deficiency leads to disfuction of many tissues (C) G-6-p Dehydroglucose deficiency is due to a single deletion of a large sequence of DNA in the G-6-PD gene (D) G-6-PD deficiency is precipitated by ingestion of drugs such as aspirin

Description : Which one of the following statements concerning glucose-6-phosphate dehydrogenase deficiency is correct? (A) Young R.B.Cs, particularly reticulocytes, contain the highest enzyme activity cells show less enzyme ... PD gene (D) G-6-PD deficiency is precipitated by ingestion of drugs such as aspirin

Last Answer : Answer : A

Benzene undergoes substitution reaction more easily than addition reaction because (a) it has a cyclic structure (b) it has three double bonds (c) it has six hydrogen atoms (d) there is delocalization of electrons

Description : Benzene undergoes substitution reaction more easily than addition reaction because (a) it has a cyclic structure (b) it has three double bonds (c) it has six hydrogen atoms (d) there is delocalization of electrons

Last Answer : there is delocalization of electrons

Benzene undergoes substitution reaction more easily than addition reaction because (a) it has a cyclic structure (b) it has three double bonds (c) it has six hydrogen atoms (d) there is delocalization of electrons

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Last Answer : there is delocalization of electrons

In an oxygen molecule, two atoms are united by - (1) one bond (2) two bonds (3) three bonds (4) four bonds

Description : In an oxygen molecule, two atoms are united by - (1) one bond (2) two bonds (3) three bonds (4) four bonds

Last Answer : (2) two bonds Explanation: Two oxygen atoms can both achieve stable structures by sharing two pairs of electrons as in the diagram. Two electrons of each of the atom in the oxygen molecule ... is shown conventionally by two lines joining the atoms. Each line represents one pair of shared electrons.

In an oxygen molecule, two atoms are united by (1) one bond (2) two bonds (3) three bonds (4) four bonds

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Last Answer :  two bonds

Which statement is correct? (a) Energy is released when a bond breaks. (b) A sigma bond results from attraction of protons and electrons. (c) Energy is released when a bond forms. (d) A carbanion is positively charged

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Which statement about the carbonyl group is NOT true? (a) The carbonyl carbon is sp2 hybridized. (b) The bond angles among the three atoms attached to the carbonyl carbon are 120°. (c) The three atoms attached to the carbonyl carbon form a nonplanar geometry. (d) The carbonyl group forms resonance structures.

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Last Answer : The three atoms attached to the carbonyl carbon form a nonplanar geometry

Which of the following are correct statements concerning unsaturated hydrocarbons? (a) All unsaturated hydrocarbons are insoluble in water. (b) All unsaturated hydrocarbons are soluble in nonpolar solvents. (c) All unsaturated hydrocarbons are more dense than water. (d) (a) & (c)

Description : Which of the following are correct statements concerning unsaturated hydrocarbons? (a) All unsaturated hydrocarbons are insoluble in water. (b) All unsaturated hydrocarbons are soluble in nonpolar solvents. (c) All unsaturated hydrocarbons are more dense than water. (d) (a) & (c)

Last Answer : (a) & (c)

Which of the following species contains three bond pairs and one lone pair around the central atom? (1) PCl3 (2) H2O (3) BF3 (4) NH2

Description : Which of the following species contains three bond pairs and one lone pair around the central atom? (1) PCl3 (2) H2O (3) BF3 (4) NH2

Last Answer : PCl3

Single bond between sulphur atoms is pressent in

Description : Single bond between sulphur atoms is pressent in

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