Among the following, the least stable resonance structure is :

Among the following, the least stable resonance structure is :
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Among the following, the least stable resonance structure is : A. B. C. D.
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Why does a H+ ion attacking a carbon-carbon double bond add to the carbon with the least number of substituents? (a) the reaction is resonance stabilized. (b) the hybrid geometry favors this process. (c) nucleophile tends to attack stable centers of negative charge. (d) a more stable carbonium ion is generated.

Description : Why does a H+ ion attacking a carbon-carbon double bond add to the carbon with the least number of substituents? (a) the reaction is resonance stabilized. (b) the hybrid geometry favors this ... tends to attack stable centers of negative charge. (d) a more stable carbonium ion is generated.

Last Answer : a more stable carbonium ion is generated.

(A) Allyl free radical is more stable than simple alkyl free radical. (R) The allyl free radical is stabilized by resonance.

Description : (A) Allyl free radical is more stable than simple alkyl free radical. (R) The allyl free radical is stabilized by resonance.

Last Answer : (A) Allyl free radical is more stable than simple alkyl free radical. (R) The allyl free radical is ... IF (A) is incorrect but (R) is correct.

Electron-withdrawing groups are meta directors because : (a) the carbonium ion intermediate has a negative charge on the meta position. (b) the more stable resonance hybrid occurs with meta attachment of the electrophile. (c) the less stable resonance hybrid occurs with meta attachment of the electrophile. (d) the carbonium ion intermediate has a positive charge on the meta position

Description : Electron-withdrawing groups are meta directors because : (a) the carbonium ion intermediate has a negative charge on the meta position. (b) the more stable resonance hybrid occurs with meta ... the electrophile. (d) the carbonium ion intermediate has a positive charge on the meta position

Last Answer : the more stable resonance hybrid occurs with meta attachment of the electrophile.

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

Which statement is true? (a) Resonance hybrids are inherently unstable. (b) Resonance hybrids are more stable than any individual resonance form. (c) Resonance hybrids are averages of all resonance forms resembling the less stable forms. (d) Resonance hybrids are averages of all resonance forms resembling the more stable forms.

Description : Which statement is true? (a) Resonance hybrids are inherently unstable. (b) Resonance hybrids are more stable than any individual resonance form. (c) Resonance hybrids are averages of all resonance ... forms. (d) Resonance hybrids are averages of all resonance forms resembling the more stable forms.

Last Answer : Resonance hybrids are averages of all resonance forms resembling the more stable forms.

Which one is more stable structure of benzene among Kekule and Dewar’s structures?

Description : Which one is more stable structure of benzene among Kekule and Dewar’s structures?

Last Answer : Ans: Kekule’s structure.

Which of the following molecules is least resonance stabilised?

Description : Which of the following molecules is least resonance stabilised?

Last Answer : Which of the following molecules is least resonance stabilised? A. B. C. D.

The most unlikely representation of resonance structure of p-nitrophenoxide ion is:

Description : The most unlikely representation of resonance structure of p-nitrophenoxide ion is:

Last Answer : The most unlikely representation of resonance structure of p-nitrophenoxide ion is: A. B. C. D.

What are the resonance structure of h2so4?

Description : What are the resonance structure of h2so4?

Last Answer : Need answer

Which of the following is not characteristic of resonance? (a) The canonical structures have the constituent atoms in the same relative positions (b) They have nearly the same energy (c) They have the same number of unpaired electrons (d) The actual structure can be represented on paper using the conventional symbols

Description : Which of the following is not characteristic of resonance? (a) The canonical structures have the constituent atoms in the same relative positions (b) They have nearly the same energy (c) ... of unpaired electrons (d) The actual structure can be represented on paper using the conventional symbols

Last Answer : Ans:(d)

How many resonance forms are possible for the Lewis structure of SO3?

Description : How many resonance forms are possible for the Lewis structure of SO3?

Last Answer : ANSWER: 3

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.

Description : 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) ... attached to the carbonyl carbon form a nonplanar geometry. (d) The carbonyl group forms resonance structures.

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

Which of the following value of `DeltaH_(f)^(@)` represent that the product is least stable ?

Description : Which of the following value of `DeltaH_(f)^(@)` represent that the product is least stable ?

Last Answer : Which of the following value of `DeltaH_(f)^(@)` represent that the product is least stable ? A. `-94` K cal B. ... C. `+21.4` K cal D. `+64.8` K cal

The least stable conformation of cyclohexane is

Description : The least stable conformation of cyclohexane is

Last Answer : The least stable conformation of cyclohexane is A. Boat B. Chair C. Twist boat D. Half chair

The least stable metal cabonyl as per the bonding considerations should be

Description : The least stable metal cabonyl as per the bonding considerations should be

Last Answer : The least stable metal cabonyl as per the bonding considerations should be A. `Cr(CO)_(6)` B. `Mn(CO)_(6)` C. `Fe(CO)_(5)` D. `Ni(CO)_(4)`.

Which of the following is least stable ?

Description : Which of the following is least stable ?

Last Answer : Which of the following is least stable ? A. B. C. `HC-= overset(-)(C )` D.

Which one of the following carbanions is the least stable?

Description : Which one of the following carbanions is the least stable?

Last Answer : Which one of the following carbanions is the least stable? A. `CH_(3)CH_(2)^(-)` B. `HC-=C^(-)` C. `CH_(3)^(-)` D. `(CH_(3))_(3)barC`

The least stable particle?

Description : The least stable particle?

Last Answer : Neutron

Metal at the top of the electromotive series is (A) Least active (B) Most stable (C) Most active (D) Most noble

Description : Metal at the top of the electromotive series is (A) Least active (B) Most stable (C) Most active (D) Most noble

Last Answer : (C) Most active

The weathering mineral, having most stable soil structure

Description : The weathering mineral, having most stable soil structure

Last Answer : Ans. Kaolinite

Transition state structure of the substrate formed during an enzymatic reaction is (a) transient and unstable (b) permanent and stable (c) transient but stable (d) permanent but unstable.

Description : Transition state structure of the substrate formed during an enzymatic reaction is (a) transient and unstable (b) permanent and stable (c) transient but stable (d) permanent but unstable.

Last Answer : (a) transient and unstable

For a stable frame structure, number of members required, is (A) Three times the number of joints minus three (B) Twice the number of joints minus three (C) Twice the number of joints minus two (D) Twice the number of joints minus one

Description : For a stable frame structure, number of members required, is  (A) Three times the number of joints minus three  (B) Twice the number of joints minus three  (C) Twice the number of joints minus two  (D) Twice the number of joints minus one 

Last Answer : (B) Twice the number of joints minus three 

A steady state within the body is termed a) Homeostasis. When a change occurs that causes a body function to deviate from its stable range, processes are initiated to restore and maintain the steady state or homeostasis. b) Constancy. Constancy refers to the balanced internal state of the human body maintained by physiologic and biochemical processes. c) Adaptation. Adaptation refers to a constant, ongoing process that requires change in structure, function, or behavior so that the person is better suited to the environment. d) Stress. Stress refers to a state produced by a change in the environment that is perceived as challenging, threatening, or damaging to the person’s dynamic balance or equilibrium.

Description : A steady state within the body is termed a) Homeostasis. When a change occurs that causes a body function to deviate from its stable range, processes are initiated to restore and maintain ... that is perceived as challenging, threatening, or damaging to the person's dynamic balance or equilibrium.

Last Answer : a) Homeostasis. When a change occurs that causes a body function to deviate from its stable range, processes are initiated to restore and maintain the steady state or homeostasis.

If there is low formalization, a comprehensive information network and high participation in decisionmaking, one would expect……………. (a) A mechanistic structure ; (b) A typical government organization ; (c) A stable structure (d) An organic structure

Description : If there is low formalization, a comprehensive information network and high participation in decisionmaking, one would expect……………. (a) A mechanistic structure ; (b) A typical government organization ; (c) A stable structure (d) An organic structure

Last Answer : (d) An organic structure 

A certain hypohalite on treating with hot and conc. NaOH forms anions P and Q. More stable anion among P and Q can be obtained by neutralizing Its con

Description : A certain hypohalite on treating with hot and conc. NaOH forms anions P and Q. More stable anion among P and Q can be obtained by neutralizing Its con

Last Answer : A certain hypohalite on treating with hot and conc. NaOH forms anions P and Q. More stable ... produces a gas which Is used in fire extinguisher.

(A) The nucleus of gold is stable even though there is a very strong coulombic repulsion among the protons. (R ) The inverse square coulomb force is e

Description : (A) The nucleus of gold is stable even though there is a very strong coulombic repulsion among the protons. (R ) The inverse square coulomb force is e

Last Answer : (A) The nucleus of gold is stable even though there is a very strong coulombic repulsion among the protons. ... . If both (A) and (R ) are incorrect.

Which among the following nuclides `"is"//"are"` likely to be stable?

Description : Which among the following nuclides `"is"//"are"` likely to be stable?

Last Answer : Which among the following nuclides `"is"//"are"` likely to be stable? A. `._(15)^(30)P` B. `._(12)^(24)Mg` C. `._(49)^(114)In` D. `._(48)^(114)Cd`

Among noble gases, only xenon reacts with flourine to form stable xenon fluorides, because xenon

Description : Among noble gases, only xenon reacts with flourine to form stable xenon fluorides, because xenon

Last Answer : Among noble gases, only xenon reacts with flourine to form stable xenon fluorides, because xenon A. ... D. is the most readily available noble gas

Give reasons : (a) Diamond and rhombic Sulphur are covalent solids, but the latter has lower melting points. (b) Among NaCl and CsCl, CsCl is quite stable.

Description : Give reasons : (a) Diamond and rhombic Sulphur are covalent solids, but the latter has lower melting points. (b) Among NaCl and CsCl, CsCl is quite stable.

Last Answer : (a) Due to weak Vander Waal’s Force in Sulphur molecule. (b) CsCl coordination number is 8. It is surrounded by 8 anion tightly. 

Which of the following types of cells have a latent ability to regenerate? a) Stable Stable cells have a latent ability to regenerate if they are damaged or destroyed and are found in the kidney, liver, and pancreas, among other body organs. b) Labile Labile cells multiply constantly to replace cells worn out by normal physiologic processes. c) Permanent Permanent cells include neurons — the nerve cell bodies, not their axons. Destruction of a neuron causes permanent loss, but axons may regenerate. d) Epithelial Epithelial cells are a type of labile cell that multiply constantly to replace cells worn out by normal physiologic processes.

Description : Which of the following types of cells have a latent ability to regenerate? a) Stable Stable cells have a latent ability to regenerate if they are damaged or destroyed and are found in the ... a type of labile cell that multiply constantly to replace cells worn out by normal physiologic processes.

Last Answer : a) Stable Stable cells have a latent ability to regenerate if they are damaged or destroyed and are found in the kidney, liver, and pancreas, among other body organs.

Nuclear Magnetic Resonance - the hardest part of General Chemistry?

Description : Nuclear Magnetic Resonance - the hardest part of General Chemistry?

Last Answer : No, once you get the hang of it it was pretty easy.

Does the human body have resonance frequency?

Description : Does the human body have resonance frequency?

Last Answer : I don’t have any factual evidence; but as an Audiologist, I am inclined to say no. The components of our body vary too greatly in density, size, shape and rigidity to share one common resonant frequency.

which one of the following scenarios accurately describes a condition in which resonance can occur? -General Knowledge

Description : which one of the following scenarios accurately describes a condition in which resonance can occur? -General Knowledge

Last Answer : A pipe's length is equal to 1/2 of the wavelength of the sound waves produced by a tuning fork vibrating over one end of the pipe that's open to the air at both ends. - accurately describes a condition in which resonance can occur.

To hear a clear resonance, what must be the distance between the listener and the reflector? -General Knowledge

Description : To hear a clear resonance, what must be the distance between the listener and the reflector? -General Knowledge

Last Answer : answer:

What is Resonance ?

Description : What is Resonance ?

Last Answer : : Resonance refers to the formation of multiple structures by simply changing the electron configuration without changing the position of the atoms in any molecule. Thanks!

What does Resonance Mean ?

Description : What does Resonance Mean ?

Last Answer : : The state of an AC circuit consisting of a resistor , an inductor and a capacitor in which the current and voltage are in force, i.e. the power factor is unit , is called resonance.

What do you mean by Magnetic resonance imaging?

Description : What do you mean by Magnetic resonance imaging?

Last Answer : MRI is a medical imaging technique used to form or see the internal parts of our body. It is very helpful to search problem or disease in our body. It uses magnet power to imaging the body. It is used because our body also has electrically charged ions.

In which of the following cases lone-pair is involved in resonance :

Description : In which of the following cases lone-pair is involved in resonance :

Last Answer : In which of the following cases lone-pair is involved in resonance :

Which of the following statements regarding the resonance energy of benzene is correct?

Description : Which of the following statements regarding the resonance energy of benzene is correct?

Last Answer : Which of the following statements regarding the resonance energy of benzene is correct? A. The energy ... of benzene D. The energy required to convert

Phenol is more reactive than benzene towards electrophilic substitution reaction. In case of Phenol, the intermediate carbocation is more resonance st

Description : Phenol is more reactive than benzene towards electrophilic substitution reaction. In case of Phenol, the intermediate carbocation is more resonance st

Last Answer : Phenol is more reactive than benzene towards electrophilic substitution reaction. In case of Phenol, the ... D. A is incorrect but R is correct

Assertion : Phenols are more acidic than aliphatic alcohols. Reason : Phenoxides are stabilized by resonance.

Description : Assertion : Phenols are more acidic than aliphatic alcohols. Reason : Phenoxides are stabilized by resonance.

Last Answer : Assertion : Phenols are more acidic than aliphatic alcohols. Reason : Phenoxides are stabilized by resonance. ... D. A is incorrect but R is correct

Assertion: The O - O bond lengths in ozone molecule are intermediate between single and double bonds. Reason: `O_(3)` molecule is a resonance hybrid.

Description : Assertion: The O - O bond lengths in ozone molecule are intermediate between single and double bonds. Reason: `O_(3)` molecule is a resonance hybrid.

Last Answer : Assertion: The O - O bond lengths in ozone molecule are intermediate between single and double bonds. ... I is not correct and Statement-II is correct

In L-C-R series circuit suppose `omega_(r)` is resonance frequency, then match the following table, `{:(,,"Table-1",,"Table-2"),(,(A),"If " omegagtome

Description : In L-C-R series circuit suppose `omega_(r)` is resonance frequency, then match the following table, `{:(,,"Table-1",,"Table-2"),(,(A),"If " omegagtome

Last Answer : In L-C-R series circuit suppose `omega_(r)` is resonance frequency, then match the following table, `{:(,,"Table ... are in phase"),(,,,(T),"None"):}`

What are the resonance structures of CH2NH2?

Description : What are the resonance structures of CH2NH2?

Last Answer : Feel Free to Answer

How could you apply the principles of mechanics resonance to a car when it is stuck in snow?

Description : How could you apply the principles of mechanics resonance to a car when it is stuck in snow?

Last Answer : Go on and off the gas rhytmically to rock the car loose.

How dimmerization of borane can be explained by resonance?

Description : How dimmerization of borane can be explained by resonance?

Last Answer : Because abortion have 3 valance electron if we take molecule as bh3 then it will dimerise but not with resonance it form a chain in solid form and in gas it just combine with it's some molecule and form b2h6. Read more on Brainly.in - https://brainly.in/question/15826873#readmore

How many resonance structures, if any Acetate H3C2O2(-1) *?

Description : How many resonance structures, if any Acetate H3C2O2(-1) *?

Last Answer : The acetate anion has two resonance structures of the same energy; one in which the π bond is on one oxygen, the other where it's on the other oxygen.

Define the phenomenon resonance.

Description : Define the phenomenon resonance.

Last Answer : When a molecule is represented by two or more nearly equal structures, which differ in the arrangement of electrons, then the molecule is said to exhibit resonance.

Production of beats is a result of the phenomenon of (a) Resonance (b) Interference (c) Reflection (d) Superposition

Description : Production of beats is a result of the phenomenon of (a) Resonance (b) Interference (c) Reflection (d) Superposition

Last Answer : Ans:(b)

While passing over a suspension bridge, soldiers are not allowed to march in steps. This is (a) To prevent any formation of sharp echo (b) Because there cannot be orderly marching (c) To prevent any occurrence of resonance with the bridge (d) To prevent the bridge from executing forced vibrations

Description : While passing over a suspension bridge, soldiers are not allowed to march in steps. This is (a) To prevent any formation of sharp echo (b) Because there cannot be orderly marching (c) To prevent any occurrence of resonance with the bridge (d) To prevent the bridge from executing forced vibrations

Last Answer : Ans:(c)