CSIR (Council of Scientific & Industrial Research) Chemical Sciences: Questions 73 - 78 of 862
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Question 73
Appeared in Year: 2011
Question MCQ▾
Electronic configuration of Gd is where as that of is (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 74
Appeared in Year: 2011
Question MCQ▾
Ligand system present in vitamin is:- (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | Crown ether | |
b. | Corin | |
c. | Porphyrin | |
d. | Phthalocyanine |
Question 75
Appeared in Year: 2011
Question MCQ▾
Number of metal-metal bond in dimers and respectively are_ (Dec)
Choices
Choice (4) | Response | |
---|---|---|
a. | Two and three | |
b. | Two and two | |
c. | Zero and one | |
d. | One and two |
Question 76
Appeared in Year: 2013
Question MCQ▾
According to VSEPR theory, the geometry (with lone pair) around the central ion in ions respectively are:- (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | Trigonal bipyramidal and Trigonal bipyramidal. | |
b. | Tetrahedral and tetrahedral. | |
c. | Tetrahedral and Trigonal bipyramidal. | |
d. | Tetrahedral and octahedral. |
Question 77
Appeared in Year: 2011
Question MCQ▾
Among the following pairs, those in which both the species have similar structures are:-
- (Dec)
Choices
Choice (4) | Response | |
---|---|---|
a. | (1) and (3) , only | |
b. | (1) and (2) | |
c. | (2) , (3) , and (4) only. | |
d. | (1) , (2) and (3) only |
Question 78
Appeared in Year: 2012
Question MCQ▾
Structure of a carborane with formula is
Choices
Choice (4) | Response | |
---|---|---|
a. | Arachno-borane | |
b. | Nido-borane | |
c. | Closo-borane | |
d. | Conjucto-borane |