Inorganic Chemistry-Organometallic Compounds [CSIR (Council of Scientific & Industrial Research) Chemical Sciences]: Questions 25 - 29 of 110
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Question 25
Appeared in Year: 2012
Question MCQ▾
In a cluster total no. of involved in its formation.
Choices
Choice (4) | Response | |
---|---|---|
a. | 60 | |
b. | 63 | |
c. | 72 | |
d. | 57 |
Question 26
Appeared in Year: 2013
Question MCQ▾
Though cyclobutadine is highly unstable, & readily polymerises in its free state, its transition metal complexes could be isolated because
Choices
Choice (4) | Response | |
---|---|---|
a. | It engages in long-range interaction with transition metal. | |
b. | It becomes stable in presence of transition metals due to formation of . | |
c. | Its polymerization ability reduces in presence of transition metal. | |
d. | It gains stability due to formation of |
Question 27
Appeared in Year: 2012
Question MCQ▾
Molecule
Obeys 18 rule. Two ‘M’ satisfying the condition are:
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | Cr, V | |
c. | Mo, V | |
d. |
Question 28
Question MCQ▾
Total number of vertices metal clusters, [ [] and [] are 6,5, 5. Predict the structure of these complexes:
Choices
Choice (4) | Response | |
---|---|---|
a. | Closo, Nido, Nido | |
b. | Arachno, Closo, Nido | |
c. | Arachno, nido, Closo | |
d. | Closo, Nido, Arachno |
Question 29
Appeared in Year: 2015
Question MCQ▾
elimination will be facile in: (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |