The reaction intermediate produce by homolytic cleavage of bond is called,

The reaction intermediate produce by homolytic cleavage of bond is called,
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The reaction intermediate produce by homolytic cleavage of bond is called, A. carbocations B. carbanions C. free radicals D. carbenes
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The reaction intermediate produce by homolytic cleavage of bond is called,

Description : The reaction intermediate produce by homolytic cleavage of bond is called,

Last Answer : The reaction intermediate produce by homolytic cleavage of bond is called, A. carbocations B. carbanions C. free radicals D. carbenes

Homolytic fission of covalent bond between carbon atoms will produce : (a) Two carbonium ions (b) Two molecules (c) Free radicals (d) Carbonium ion and carbanion

Description : Homolytic fission of covalent bond between carbon atoms will produce : (a) Two carbonium ions (b) Two molecules (c) Free radicals (d) Carbonium ion and carbanion

Last Answer : Free radicals

In which of the following, homolytic bond fission takes place :

Description : In which of the following, homolytic bond fission takes place :

Last Answer : In which of the following, homolytic bond fission takes place : A. Nitration of benzene B. ... to double bond D. Free radical chlorination of methane

Homolytic fission of C–C bond leads to the formation of : (a) Free radicals (b) Carbonium ions (c) Carbanions (d) None of these

Description : Homolytic fission of C–C bond leads to the formation of : (a) Free radicals (b) Carbonium ions (c) Carbanions (d) None of these

Last Answer : Free radicals

In `CH_(3)CH_(2)OH`, the bond that undergoes heterolytic cleavage most readily is:

Description : In `CH_(3)CH_(2)OH`, the bond that undergoes heterolytic cleavage most readily is:

Last Answer : In `CH_(3)CH_(2)OH`, the bond that undergoes heterolytic cleavage most readily is: A. `C-C` B. `C-O` C. `C-H` D. `O-H`

In `CH_(3)CH_(2)OH`, the bond that undergoes heterolytic cleavage most readily is:

Description : In `CH_(3)CH_(2)OH`, the bond that undergoes heterolytic cleavage most readily is:

Last Answer : In `CH_(3)CH_(2)OH`, the bond that undergoes heterolytic cleavage most readily is: A. `C-C` B. `C-O` C. `C-H` D. `O-H`

In `CH_(3)CH_(2)OH,` the bond that undergoes heterolytic cleavage most readily is

Description : In `CH_(3)CH_(2)OH,` the bond that undergoes heterolytic cleavage most readily is

Last Answer : In `CH_(3)CH_(2)OH,` the bond that undergoes heterolytic cleavage most readily is A. `C - C` B. `O - H` C. `C - H` D. `C - O`

`CH_(3)CH_(2)Cl` undergoes homolytic fission produces:

Description : `CH_(3)CH_(2)Cl` undergoes homolytic fission produces:

Last Answer : `CH_(3)CH_(2)Cl` undergoes homolytic fission produces: A. `CH_(3)overset(.)CH_(2) and Cl^(.)` B. `CH_(3) ... )` D. `CH_(3)overset(.)CH_(2) and Cl^(-)`

Pick out the correct statement. (A) Reaction of NH3 with HNO3 to produce (NH4 )2NO3 is endothermic (B) With increase in NH3 /CO2 ratio, urea yield decreases for a given temperature, pressure and total feed rate (C) Biuret (an intermediate during urea manufacture) is toxic to seeds and animals (D) Both (B) and (C)

Description : Pick out the correct statement. (A) Reaction of NH3 with HNO3 to produce (NH4 )2NO3 is endothermic (B) With increase in NH3 /CO2 ratio, urea yield decreases for a given temperature, pressure and total ... (an intermediate during urea manufacture) is toxic to seeds and animals (D) Both (B) and (C)

Last Answer : (B) With increase in NH3 /CO2 ratio, urea yield decreases for a given temperature, pressure and total feed rate

What purpose does FeCl3 serve in the electrophilic aromatic substitution reaction between chlorine and benzene? (a) It serves as a radical initiator to produce the chlorine radical needed to propagate the chain reaction. (b) It functions by destabilizing the carbocationic intermediate and thereby increases the rate of H+ loss. (c) It serves as a Lewis base catalyst by reacting with Cl2 to generate chloride ions. (d) It serves as a Lewis acid catalyst by reacting with the Cl2 and thereby activates it toward attack by benzene’s π electrons.

Description : What purpose does FeCl3 serve in the electrophilic aromatic substitution reaction between chlorine and benzene? (a) It serves as a radical initiator to produce the chlorine radical needed to propagate the ... by reacting with the Cl2 and thereby activates it toward attack by benzene's π electrons.

Last Answer : It serves as a Lewis acid catalyst by reacting with the Cl2 and thereby activates it toward attack by benzene’s π electrons.

Assertion (A): Diethyl ether reacts with hot Conc `H_(2)SO_(4)` and gives ethyl hydrogen sulphate Reason (R): The reaction involves cleavage of C-O bo

Description : Assertion (A): Diethyl ether reacts with hot Conc `H_(2)SO_(4)` and gives ethyl hydrogen sulphate Reason (R): The reaction involves cleavage of C-O bo

Last Answer : Assertion (A): Diethyl ether reacts with hot Conc `H_(2)SO_(4)` and gives ethyl hydrogen sulphate Reason (R ... R is false D. A is false but R is true

If a coenzyme is required in an enzyme reaction, the former usually has the function of (A) Acting as an acceptor for one of the cleavage products of the substrate (B) Enhancing the specificity of the apo enzyme (C) Increasing the number of receptor sites of the apo enzyme (D) Activating the substrate ENZYMES 167

Description : If a coenzyme is required in an enzyme reaction, the former usually has the function of (A) Acting as an acceptor for one of the cleavage products of the substrate (B) Enhancing the specificity ... C) Increasing the number of receptor sites of the apo enzyme (D) Activating the substrate ENZYMES 167

Last Answer : Answer : A

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

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

Caprolactum is one of the intermediate for preparing nylon-6. Which of the following can produce caprolactum?

Description : Caprolactum is one of the intermediate for preparing nylon-6. Which of the following can produce caprolactum?

Last Answer : Caprolactum is one of the intermediate for preparing nylon-6. Which of the following can produce ... B. Cyclohexane C. Benzene D. Ethylene glycol

Do all heterozygous pairs alleles produce an intermediate phenotype?

Description : Do all heterozygous pairs alleles produce an intermediate phenotype?

Last Answer : No

Chlorine free radicals react with methane by : (a) donating their free-radical electron to methane to form chloromethane. (b) abstracting a hydrogen atom from methane, and producing HCl and a methyl radical. (c) forming a carbanion intermediate that rapidly dissociates to produce chloromethane. (d) forming a carbonium ion intermediate that rapidly dissociates to form chloromethane

Description : Chlorine free radicals react with methane by : (a) donating their free-radical electron to methane to form chloromethane. (b) abstracting a hydrogen atom from methane, and producing ... produce chloromethane. (d) forming a carbonium ion intermediate that rapidly dissociates to form chloromethane

Last Answer : abstracting a hydrogen atom from methane, and producing HCl and a methyl radical

The mitotic division starts as the zygioge moves through the of the oviduct called cleavage.

Description : The mitotic division starts as the zygioge moves through the of the oviduct called cleavage.

Last Answer : The mitotic division starts as the zygioge moves through the of the oviduct called cleavage. A. Ampulla B. Isthmus C. Fimbriae D. Infiundibulum

Solid ball of cell produced by repeated cleavage is called

Description : Solid ball of cell produced by repeated cleavage is called

Last Answer : Solid ball of cell produced by repeated cleavage is called A. Gastrula B. Blastula C. Morula D. Neurula

Cells formed as a result of cleavage are called

Description : Cells formed as a result of cleavage are called

Last Answer : Cells formed as a result of cleavage are called A. Megameres B. Micromeres C. Blastoderm D. Blastomeres

Why cleavage is chick is called discoidal type?

Description : Why cleavage is chick is called discoidal type?

Last Answer : The cleavage in the chick is called discoidal because it is limited to the blastodisc.EXPLANATION: Post-fertilization changes in the chicken egg are caused by several mitotic divisions. The entire egg at a point of development is divided into two poles, the vegetal pole and the animal pole.

A mineral breaks along preferred directions is called A) cleavage B) hardness C) crystal form D) fracture

Description : A mineral breaks along preferred directions is called A) cleavage B) hardness C) crystal form D) fracture

Last Answer : cleavage

The splitting of an atomic nucleus is called: w) fission x) fusion y) cleavage z) separation

Description : The splitting of an atomic nucleus is called: w) fission x) fusion y) cleavage z) separation

Last Answer : ANSWER: W -- FISSION

In the reaction the intermediate(s) is/are:

Description : In the reaction the intermediate(s) is/are:

Last Answer : In the reaction the intermediate(s) is/are: A. B. C. D.

Which of the following reaction mechanism doe not involves carbocation as an intermediate ?

Description : Which of the following reaction mechanism doe not involves carbocation as an intermediate ?

Last Answer : Which of the following reaction mechanism doe not involves carbocation as an intermediate ? A. ... C. Fries Rearrangements D. Diels- Alder reaction

`{:(" "O^(16)),(" ||"),(CH_(3)-C-H overset(D_(2)O^(18))underset(D^(o+))to CH_(3)-C-H),(" ||"),(" "._(18)O):}` Give the following reaction intermediate

Description : `{:(" "O^(16)),(" ||"),(CH_(3)-C-H overset(D_(2)O^(18))underset(D^(o+))to CH_(3)-C-H),(" ||"),(" "._(18)O):}` Give the following reaction intermediate

Last Answer : `{:(" "O^(16)),(" ||"),(CH_(3)-C-H overset(D_(2)O^(18))underset(D^(o+))to CH_(3)-C-H),(" ||"),(" "._( ... ,(" |"),(CH_(3)-C-H),(" |"),(" "._(18)OD):}`

`{:(" "O^(16)),(" ||"),(CH_(3)-C-H overset(D_(2)O^(18))underset(D^(o+))to CH_(3)-C-H),(" ||"),(" "._(18)O):}` Give the following reaction intermediate

Description : `{:(" "O^(16)),(" ||"),(CH_(3)-C-H overset(D_(2)O^(18))underset(D^(o+))to CH_(3)-C-H),(" ||"),(" "._(18)O):}` Give the following reaction intermediate

Last Answer : `{:(" "O^(16)),(" ||"),(CH_(3)-C-H overset(D_(2)O^(18))underset(D^(o+))to CH_(3)-C-H),(" ||"),(" "._( ... ,(" |"),(CH_(3)-C-H),(" |"),(" "._(18)OD):}`

(A) `S_(N^(2))` reactioin takes place in single step. (R) `S_(N^(2))` reaction involves transition state intermediate.

Description : (A) `S_(N^(2))` reactioin takes place in single step. (R) `S_(N^(2))` reaction involves transition state intermediate.

Last Answer : (A) `S_(N^(2))` reactioin takes place in single step. (R) `S_(N^(2))` reaction involves transition ... . D. IF (A) is incorrect but (R) is correct.

Carbocation as an intermediate is likely to be formed in the reaction :

Description : Carbocation as an intermediate is likely to be formed in the reaction :

Last Answer : Carbocation as an intermediate is likely to be formed in the reaction : A. `"Hexene"overset("Anhyd ... + HCN"overset(.^(-)OH)rarr"acetonecyanohydrin"`

The reaction intermediate carbenes are produced from"

Description : The reaction intermediate carbenes are produced from"

Last Answer : The reaction intermediate carbenes are produced from" A. diazo methane B. ketene C. `CHCl_(3)//C_(2)H_(5)ONa` D. all of these

Reimer-Tiemann reaction of phenol with cholorform and aqueous alkali takes place through the intermediate formation of:

Description : Reimer-Tiemann reaction of phenol with cholorform and aqueous alkali takes place through the intermediate formation of:

Last Answer : Reimer-Tiemann reaction of phenol with cholorform and aqueous alkali takes place through the ... carbanions C. carbon radicals D. carbenes

Carbocation is a reaction intermediate in which of the following reactions?

Description : Carbocation is a reaction intermediate in which of the following reactions?

Last Answer : Carbocation is a reaction intermediate in which of the following reactions? A. `E_(1)` reactions B. ... ^(1))` reaction D. All of the above

Reaction involves isocyanate as intermediate porudct:

Description : Reaction involves isocyanate as intermediate porudct:

Last Answer : Reaction involves isocyanate as intermediate porudct: A. Curtius rearrangement B. Lossen ... C. Schmidt rearrangemnt D. Hofmann rearrangement

`C_(6)H_(5)-CH_(2)-I overset(NaN_(3))underset(Delta)rarr` Products Reaction is assumed to involve nitrene as intermediate, then various possible produ

Description : `C_(6)H_(5)-CH_(2)-I overset(NaN_(3))underset(Delta)rarr` Products Reaction is assumed to involve nitrene as intermediate, then various possible produ

Last Answer : `C_(6)H_(5)-CH_(2)-I overset(NaN_(3))underset(Delta)rarr` Products Reaction is assumed to involve nitrene as ... (2)` C. `C_(6)H_(5)CN=NH` D.

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

If you need to reverse the following reaction and multiply it by 2 in order for it to be an intermediate reaction in a Hess's law problem what would be the final value for the enthalpy of reaction yo?

Description : If you need to reverse the following reaction and multiply it by 2 in order for it to be an intermediate reaction in a Hess's law problem what would be the final value for the enthalpy of reaction yo?

Last Answer : 2820 kJ

If you need to reverse the following reaction in order for it to be an intermediate reaction in a Hess's law problem what would be the final value for the enthalpy of rea?

Description : If you need to reverse the following reaction in order for it to be an intermediate reaction in a Hess's law problem what would be the final value for the enthalpy of rea?

Last Answer : 286 kJ

Rate determining step in a reaction consisting of a number of steps inseries is the __________ step.(A) Fastest(B) Slowest(C) Intermediate(D) Data insufficient; can't be predicted

Description : Rate determining step in a reaction consisting of a number of steps inseries is the __________ step. (A) Fastest (B) Slowest (C) Intermediate (D) Data insufficient; can't be predicted

Last Answer : (B) Slowest

For a heterogeneous catalytic reaction (A) Free energy of activation is lowered in the presence of catalyst, which remains unchanged at the end of reaction (B) A relatively small amount of catalyst can cause the conversion of large amount of reactants which does not mean that catalyst concentration is important (C) The catalyst does not form an intermediate complex with the reactant (D) The surface of the catalyst does not play an important role during reaction

Description : For a heterogeneous catalytic reaction (A) Free energy of activation is lowered in the presence of catalyst, which remains unchanged at the end of reaction (B) A relatively small amount of catalyst ... with the reactant (D) The surface of the catalyst does not play an important role during reaction

Last Answer : (A) Free energy of activation is lowered in the presence of catalyst, which remains unchanged at the end of reaction

Maximum equilibrium conversion for endothermic reaction is obtained at the __________ temperature. (A) Highest possible (B) Lowest possible (C) Intermediate (D) Room

Description : Maximum equilibrium conversion for endothermic reaction is obtained at the __________ temperature. (A) Highest possible (B) Lowest possible (C) Intermediate (D) Room

Last Answer : (A) Highest possible

Why is the halogenation of alkanes considered a chain reaction? (a) it occurs quickly. (b) it occurs without the generation of intermediates. (c) each step generates the reactive intermediate that causes the next step to occur. (d) the reaction allows long chains of halogenated alkanes to be formed

Description : Why is the halogenation of alkanes considered a chain reaction? (a) it occurs quickly. (b) it occurs without the generation of intermediates. (c) each step generates the reactive intermediate that causes the next step to occur. (d) the reaction allows long chains of halogenated alkanes to be formed

Last Answer : each step generates the reactive intermediate that causes the next step to occur

In multistage equilibrium conversion of SO2 to SO3 (2SO2 + O2 ⇌ 2SO3 ), the reverse reaction becomes appreciable at a temperature of 550° C. The percentage equilibrium conversion of SO2 to SO3 can be increased by (A) Increasing the oxygen concentration (B) Putting more quantity of V2O5 catalyst in the converter (C) Removing some quantity of SO3 during intermediate stage (D) Maintaining low temperature & pressure in the converter

Description : In multistage equilibrium conversion of SO2 to SO3 (2SO2 + O2 ⇌ 2SO3 ), the reverse reaction becomes appreciable at a temperature of 550° C. The percentage equilibrium conversion of SO2 to ... some quantity of SO3 during intermediate stage (D) Maintaining low temperature & pressure in the converter

Last Answer : (C) Removing some quantity of SO3 during intermediate stage

The total change in the enthalpy of a system is independent of the (A) Number of intermediate chemical reactions involved (B) Pressure and temperature (C) State of combination and aggregation in the beginning and at the end of the reaction (D) None of these

Description : The total change in the enthalpy of a system is independent of the (A) Number of intermediate chemical reactions involved (B) Pressure and temperature (C) State of combination and aggregation in the beginning and at the end of the reaction (D) None of these

Last Answer : (A) Number of intermediate chemical reactions involved

“The enthalpy change for any chemical reaction is independent of the intermediate stages, provided the initial and final conditions are the same for each route.” This statement is known as:

Description : “The enthalpy change for any chemical reaction is independent of the intermediate stages, provided the initial and final conditions are the same for each route.” This statement is known as:  A. Dulong’s Law  B. Dalton’s Law  C. Hess’s Law  D. Petit Law

Last Answer : Hess’s Law

In a photosynthesis reaction, chlorophyll is: w) a reactant w) a product y) a catalyst z) an intermediate

Description : In a photosynthesis reaction, chlorophyll is: w) a reactant w) a product y) a catalyst z) an intermediate

Last Answer : ANSWER: Y -- A CATALYST

Men, is cleavage in the workplace really distracting?

Description : Men, is cleavage in the workplace really distracting?

Last Answer : If you wear low-cat tops to the office, you are saying, “Don’t take me seriously.” Keep the personal fashion statements for your own time.

Cleavage : Am I supposed to look or not?

Description : Cleavage : Am I supposed to look or not?

Last Answer : Your eyes are yours; you can do whatever you want with them. If you are challenged, be nice and charming while explaining that you’re a human male. What else would the cleavage bearer expect.

How come women can show cleavage but I can't show part of my testicles?

Description : How come women can show cleavage but I can't show part of my testicles?

Last Answer : Uh, that’s immoral, It’s sounds similar to the question Wrestle asked, and anyway, I might get flagged but uh last I looked…. womens breasts don’t have hair

What is Cleavage ?

Description : What is Cleavage ?

Last Answer : The division of fertilized eggs is called cleavage