CSIR (Council of Scientific & Industrial Research) Chemical Sciences: Questions 48 - 53 of 862
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Question 48
Appeared in Year: 2015
Question MCQ▾
Rate of Copper salt as Co-catalyst in Wacker process is: (CSIR June)
Choices
Choice (4) | Response | |
---|---|---|
a. | Oxidation of Pd (II) by Co (I) | |
b. | Oxidation of Pd (II) by Co (II) | |
c. | Oxidation of Pd (O) by Co (II) | |
d. | Oxidation of Pd (O) by Co (I) |
Question 49
Appeared in Year: 2015
Question MCQ▾
Reaction follows a/an: (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | Interchange dissociative mechanism | |
b. | Interchange (Ia) | |
c. | Associative mechanism | |
d. | Dissociative mechanism |
Question 50
Appeared in Year: 2015
Question MCQ▾
For the reaction of with main intermediate
(CSIR Dec)
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 51
Question 52
Appeared in Year: 2015
Question MCQ▾
Final product of reaction of carbonyl metalates and with respectively are (CSIR Des) .
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 53
Appeared in Year: 2015
Question MCQ▾
Correct statement about substitution reaction of with to give is (Dec)
Choices
Choice (4) | Response | |
---|---|---|
a. | Its rate is dependent only on concentration of | |
b. | Its rate is proportional to concentration of both reactants. | |
c. | Obeys 1st order kinetics | |
d. | It follows the |