CSIR (Council of Scientific & Industrial Research) Chemical Sciences: Questions 43 - 47 of 862
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Question 43
Appeared in Year: 2013
Question MCQ▾
Variation of equilibrium constant (k) of a certain reaction with temperature (T) is
given R = 8.3 J K-1 mol-1 & values of are: (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | 166 KJ/mol and 24.9 Jk-1mol-1 | |
b. | 166 KJ/mol and -24.9 Jk-1mol-1 | |
c. | -166 KJ/mol and 24.9 Jk-1mol-1 | |
d. | -166 KJ/mol and -24.9 Jk-1mol-1 |
Question 44
Appeared in Year: 2015
Question MCQ▾
Correct expression for product [ and are number average and weight average molar masses, respectively, of a polymer is] (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 45
Appeared in Year: 2015
Question MCQ▾
For a reaction on a surface,
________ (1)
________ (2)
At low pressure of H2, rate is proportional to (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 46
Appeared in Year: 2016
Question MCQ▾
Olefin hydrogenation of using Wilkinson՚s catalyst initiates with: (MHRD sample paper)
Choices
Choice (4) | Response | |
---|---|---|
a. | A phosphine dissociation from | |
b. | Olefin addition to | |
c. | A phosphine addition to | |
d. | Olefin addition to |
Question 47
Appeared in Year: 2013
Question Match List-Ⅰ List-Ⅱ▾
Consider the following catalyst in I and reaction in II (CSIR June)
List-Ⅰ (Catalyst) | List-Ⅱ (Reaction) |
---|---|
(A) | (i) Asymmetric hydrogenation |
(B) Pd | (ii) Heck coupling |
(C) | (iii) Asymmetric hydrogen transfer |
(D) | (iv) Hydro-formylation |
Choices
Choice (4) | Response | |
---|---|---|
| ||
a. |
| |
b. |
| |
c. |
| |
d. |
|