CSIR (Council of Scientific & Industrial Research) Chemical Sciences: Questions 127 - 132 of 427
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Question number: 127
» Inorganic Chemistry » Organometallic Compounds » Synthesis
Question
Understanding the Dissociative Reaction Mechanism
Showing the the dissociative reaction mechanism
Above reaction follows dissociative mechanism, number of which can substitute CO solvent used are:
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 3, THF |
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| b. | 5, DMSO |
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| c. | 2, THF |
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| d. | 4, DMSO |
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Question number: 128
» Inorganic Chemistry » Organometallic Compounds » Synthesis
Question
Vaska’s reagent is treated with. It will undergo
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Reduction Elimination |
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| b. | Orthometallation |
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| c. | Oxidative addition |
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| d. | Transmetallation |
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Question number: 129
» Inorganic Chemistry » Organometallic Compounds » Synthesis
Question
Mond’s process is used for purification of: -
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Fe |
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| b. | Ni |
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| c. | Mo |
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| d. | Co |
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Question number: 130
» Inorganic Chemistry » Organometallic Compounds » Synthesis
Question
For the given concentric reaction
Finding a, B and C in the Concentric Reaction
Showing the A, B and C in the concentric reaction
A, B, C are:
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Oxidative addition, migratory insertion, (Transmetallation, + reductive elimination). |
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| b. | Reductive elimination, oxidative addition, substitution |
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| c. | Oxidative addition, (Carbo-palladation + Migratory insertion), (transmetallation + reductive elimination) |
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| d. | Addition reaction, substitution, (Transmetallation + reductive elimination) |
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Question number: 131
» Inorganic Chemistry » Organometallic Compounds » Bonding and Structure and Reactivity
Appeared in Year: 2013
Question
Number of metal-metal bond in
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 12 |
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| b. | 4 |
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| c. | 6 |
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| d. | 10 |
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Question number: 132
» Inorganic Chemistry » Organometallic Compounds » Synthesis
Appeared in Year: 2011
Question
Catalyst involved in carrying out metathesis of 1-butene to give ethylene and 3-hercene is: (CSIR NET Dec)
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |  Catalyst Involved in Carrying Out Metathesis – Choice A Showing the Catalyst involved in carrying out metathesis |
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| b. |
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| c. |
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| d. |
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