Q. No.The correct IUPAC name of the following alkane is:
1. 3,6-Diethyl-2-methyloctane
2. 5-Isopropyl-3-ethyloctane
3. 3-Ethyl-5-isopropyloctane
4. 3-Isopropyl-6-ethyloctane
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 |
Arrange the following alkyl halides in decreasing order of the rate of -elimination reaction with alcoholic KOH.
| A. | \(\mathrm{(CH_3)_2C(H)CH_2Br}\) |
| B. | CH3-CH2-Br |
| C. | CH3-CH2-CH2-Br |
1. A > B > C
2. C > B > A
3. B > C > A
4. A > C > B
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 hydrocarbons in Column-I with the boiling points given in Column-II.
| Column-I | Column-II | ||
| A. | n-Pentane | 1. | 282.5 K |
| B. | Isopentane | 2. | 309 K |
| C. | Neopentane | 3. | 301 K |
| Options: | A | B | C |
| 1. | 2 | 3 | 1 |
| 2. | 1 | 2 | 3 |
| 3. | 2 | 1 | 3 |
| 4. | 3 | 2 | 1 |
Match the following reactants in Column I with the corresponding reaction products in Column II.
|
Column I |
Column II |
|
A. |
1. Benzoic acid |
|
B. |
2. Methyl phenyl ketone |
|
C. |
3. Toluene |
|
D. |
4. Chlorobenzene |
|
5. Benzene hexachloride |
| Options: | A | B | C | D |
| 1. | 4 | 3 | 2 | 1 |
| 2. | 1 | 2 | 3 | 5 |
| 3. | 5 | 4 | 3 | 2 |
| 4. | 4 | 5 | 3 | 2 |
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 |
Given below are two statements:
| Assertion (A): | The compound tetraene has the following structural formula. It is a cyclic and has conjugated 8π electrons system but it is not an aromatic compound. |
| Reason (R): | ( 4 n + 2 ) π electrons rule does not hold good for this compound and the ring is not planar. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
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