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Mechanisms of the reacti..



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Q1. If the total number of bonds between two atoms is 3 the total number of resonating structures is 2 what is the bond order?

(a) 0.5
(b) 1.5
(c) 2.5
(d) 3.5

Q2. What is obtained by thermolysis of azides?

(a) free radicals
(b) carbocation
(c) arene
(d) nitrene

Q3. Resonating structures are also known as ______________ forms.

(a) canonical
(b) inductor
(c) electromeric
(d) nucleophilic

Q4. In a molecule, when displacement of electron pair is away from the group it is ______________ electromeric effect.

(a) zero
(b) negative
(c) positive
(d) no

Q5. Which of the following is false regarding inductive effect?

(a) temporary effect
(b) propagates through a carbon chain
(c) permanent effect
(d) groups having high electron affinity than hydrogen show the negative inductive effect

Q6. What is the hybridization of singlet carbene?

(a) sp
(b) sp3
(c) sp3d
(d) sp2

Q7. Carbocations bear a ______________ charge.

(a) no
(b) negative
(c) positive
(d) 0

Q8. Nucleophilic reagents behave as ______________

(a) water
(b) lewis base
(c) lewis acid
(d) salt

Q9. Free radicals are formed during homolytic fission.

(a) true
(b) false
(c) Both acidolysis and aldehyde
(d) None of the mentioned


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0 Answer
411 views

For A Reaction 1/2 A -> 2B, Rate Of Disappearance Of A Is Related To The Rate Of Appearance Of B By The Expression

Modified 235 Year Ago

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235 Year Ago

For A Reaction 1/2 A -> 2B, Rate Of Disappearance Of A Is Related To The Rate Of Appearance Of B By The Expression

0 votes
0 Answer
356 views

The Term (-dc/dt) In A Rate Equation Refer To The

Modified 235 Year Ago

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235 Year Ago

The Term (-dc/dt) In A Rate Equation Refer To The

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355 views

At The Rate Of Decomposition Of A Sample Of Gaseous

Modified 227 Year Ago

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227 Year Ago

At The Rate Of Decomposition Of A Sample Of Gaseous

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334 views

The Rate Of A Reaction Is Doubled For Every 10° C Rise In Temperature. The Increase In Reaction Rate As A Result Of Temperature Rise From 10°C To 100°C Is

Modified 235 Year Ago

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235 Year Ago

The Rate Of A Reaction Is Doubled For Every 10° C Rise In Temperature. The Increase In Reaction Rate As A Result Of Temperature Rise From 10°C To 100°C Is

0 votes
0 Answer
309 views

For A First Order Reaction The Ratio Of Times To Complete 99.9 Per. And Half Of The Reaction Is

Modified 364 Year Ago

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364 Year Ago

For A First Order Reaction The Ratio Of Times To Complete 99.9 Per. And Half Of The Reaction Is

0 votes
0 Answer
309 views

For A Reaction A + 2B -> C, Rate Is Given By

Modified 304 Year Ago

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304 Year Ago

For A Reaction A + 2B -> C, Rate Is Given By

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