Question
| Column I | Column II |
| A. Positive catalyst | 1. Glycerol |
| B. Negative Catalyst | 2. Molybdenum |
| C. Catalyst Poison | 3. $MnO _2$ |
| D. Promoter | 4. $H _2 S$ |
| Code: | A | B | C | D |
| (a) | 3 | 1 | 4 | 2 |
| (b) | 4 | 3 | 2 | 1 |
| (c) | 1 | 2 | 3 | 4 |
| (d) | 2 | 4 | 1 | 3 |
✓
Answer
(a) 3 1 4 2
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| (i) $Zn$-anode, Graphite-cathode with $MnO _2$ | (a) Lithium - ion battery reer |
| (ii) $Zn$ amalgamated with mercurry anode, sama $HgO$ mixed with graphite cathode | (b) Leclanche cell |
| (iii) Spongy lead anode, lead plate bearing $PbO _2$ | (c) Mercury button cell |
| (iv) Porous graphite anode, $CoO _2$ cathode | (d) Lead storage battery |
| Code: | A | B | C | D |
| $i$. | b | c | d | b |
| ii. | a | b | b | a |
| iii. | d | a | c | d |
| iv. | c | d | a | c |
| A. Sc to Zn | 1. 5d series |
| B. Y to Cd | 2. Actinoids |
| C. La to Hg | 3. 3d series |
| D. Ac to Lr | 4. 4d series |
| A. Iron | 1. Artificial joint |
| B. Platinum | 2. Hemoglobin |
| C. Cobalt | 3. Catalysis |
| D. Titanium | 4. Vitamin – $B_{12}$ |
| Code. | A | B | C | D |
| (a) | 3 | 1 | 4 | 2 |
| (b) | 1 | 2 | 3 | 4 |
| (c) | 4 | 3 | 2 | 1 |
| (d) | 2 | 4 | 1 | 3 |
| A. Cr | 1. $[ Ar ] 3 d^{10} 4 s^2$ |
| B. Cu | 2. $[ Ar ] 3 d^5 4 s^1$ |
| C. Zn | 3. $[ Ar ] 3 d^1 4 s^2$ |
| D. Sc | 4. $[ Ar ] 3 d^{10} 4 s^1$ |
| Column I | Column II |
| A. Oxidation of $HCl$ by air | 1. Nickel |
| B. Formation of water | 2. $MnO _2$ |
| C. Decomposition of $KClO _3$ | 3. Copper |
| D. Hydrogenation of $C _2 H _4$ | 4. $CuCl _2$ |
| Code: | A | B | C | D |
| (a) | 4 | 3 | 2 | 1 |
| (b) | 1 | 2 | 3 | 4 |
| (c) | 3 | 4 | 1 | 2 |
| (d) | 2 | 1 | 4 | 3 |
| Column-I | Column-II |
| A. Isopropyl alcohol | 1. 2, 2-dimethyl propan-1-ol |
| B. Tertiary butyl alcohol | 2. 2-methyl propan-1-ol |
| C. Neopentyl alcohol | 3. 2-methyl propan-2-ol |
| D. Isobutyl alcoho | 4. Propan-2-ol |
| Code. | A | B | C | D |
| (a) | 1 | 2 | 3 | 4 |
| (b) | 4 | 3 | 1 | 2 |
| (c) | 3 | 4 | 2 | 1 |
| (d) | 2 | 1 | 4 | 3 |
| A. Scandium | 1. + 7 |
| B. Manganese | 2. + 2 |
| C. Copper | 3. +3 |
| D. Titanium | 4. + 1 |
| List-I | List-II |
| A. Acid hydrolysis of an ester | 1. Fractional order reaction |
| B. Decomposition of $H _2 O _2$ | 2. Second order reaction |
| C. Decomposition of $CH _3 CHO$ | 3. Pseudo first order reaction |
| D. Substitution of methyl bromide with aqueous $KOH$. | 4. First order reaction |
| Code | A | B | C | D |
| (a) | 3 | 4 | 1 | 2 |
| (b) | 4 | 2 | 3 | 1 |
| (c) | 1 | 3 | 2 | 4 |
| (d) | 2 | 1 | 4 | 3 |