- 1(current)
Q. No.Match the reagent from Column-I which on reaction with CH3-CH=CH2 gives the same product given in Column-II as per the codes given below:
| Column-I | Column-II | ||
| A. | O3/Zn+H2O | 1. | Acetic acid and CO2 |
| B. | KMnO4/H+ | 2. | Propan-1-ol |
| C. | dil. KMnO4/OH- | 3. | Propane-1,2-diol |
| D. | B2H6/NaOH and H2O2 | 4. | Acetaldehyde and formaldehyde |
Codes:
| Options: | A | B | C | D |
| 1. | 4 | 1 | 3 | 2 |
| 2. | 1 | 2 | 3 | 4 |
| 3. | 1 | 4 | 3 | 2 |
| 4. | 4 | 1 | 2 | 3 |
The addition of HBr to 1-butene gives a mixture of products A, B, and C.
The mixture consists of:
1. A and B as major and C as minor products
2. B as major, A and C as minor products
3. B as minor, A and C as major products
4. A and B as minor and C as major products
Arrange the following hydrogen halides in order of their increasing reactivity with propene:
| 1. | HCl > HBr > HI | 2. | HBr > HI > HCl |
| 3. | HI > HBr > HCl | 4. | HCl > HI > HBr |
Among the following reactions, the incomplete combustion of methane is:
| 1. | \(2 {CH}_4+{O}_2 \xrightarrow[]{\mathrm{Cu/523 \ K/100 \ atm}} 2 {CH}_3 {OH}\) |
| 2. | \({CH}_4+{O}_2 \xrightarrow[]{{Mo_{2}O_{3}}} {HCHO}+{H}_2 {O}\) |
| 3. | \(CH_4 + O_2 → C + 2H_2O\) |
| 4. | \(CH_4 + 2O_2 → CO_2 + 2H_2O\) |
Match the reactions given in Column-I with the type of reaction given in Column-II and mark the appropriate option:
| Column-I | Column-II | ||
| A. | CH2=CH2 + H2O \(\xrightarrow[]{H^{+}}\) CH3CH2OH |
1. | Hydrogenation |
| B. | CH2=CH2 + H2 \(\xrightarrow[]{Pd}\) CH3-CH3 |
2. | Halogenation |
| C. | CH2=CH2 + Cl2 → Cl-CH2-CH2-Cl |
3. | Polymerisation |
| D. | 3CH≡CH \(\xrightarrow[heat]{Cu \ tube}\) C6H6 |
4. | Hydration |
| 5. | Condensation | ||
Codes:
| Options: | A | B | C | D |
| 1. | 2 | 3 | 4 | 1 |
| 2. | 1 | 2 | 3 | 5 |
| 3. | 5 | 4 | 3 | 2 |
| 4. | 4 | 1 | 2 | 3 |
Some oxidation reactions of methane are given below. Which of them is/are controlled oxidation reactions?
| a. | CH4(g) + 2O2(g) → CO2(g) + 2H2O(l) |
| b. | CH4(g) + O2(g) → C(s) + 2H2O(l) |
| c. | CH4(g) + O2(g) \(\xrightarrow[]{Mo_{2}O_{3}}\) HCHO + H2O |
| d. | 2CH4(g) + O2(g) \(\xrightarrow[]{Cu/523 \ K/ 100 \ atm}\)2CH3OH |
Choose the correct option
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, c)
Which of the following alkenes undergo ozonolysis to produce a mixture of ketones only?
| a. |  |
b. |  |
| c. |  |
d. |  |
Choose the correct option:
| 1. | (a, b) | 2. | (b, c) |
| 3. | (c, d) | 4. | (a, c) |
Correct statement among the following is:
| a. | CH3-O-CH2⊕ is more stable than CH3-CH2⊕ |
| b. | (CH3)2CH⊕ is less stable than CH3-CH2-CH2⊕ |
| c. | CH2=CH-CH2⊕ is more stable than CH3-CH2-CH2⊕ |
| d. | CH2 = CH⊕ is more stable than CH3-CH2⊕ |
Choose the correct option
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, c)
- 1(current)
Q. No.
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