Match the following:
| Oxide | Nature | ||
| (a) | CO | (i) | Basic |
| (b) | BaO | (ii) | Neutral |
| (c) | Al2O3 | (iii) | Acidic |
| (d) | Cl2O7 | (iv) | Amphoteric |
Which of the following is the correct option?
| a | b | c | d | |
| 1. | (ii) | (i) | (iv) | (iii) |
| 2. | (iii) | (iv) | (i) | (ii) |
| 3. | (iv) | (iii) | (ii) | (i) |
| 4. | (i) | (ii) | (iii) | (iv) |
Which amine gives the carbylamine test?
| 1. | |
2. | |
| 3. | |
4. | |
Which of the following is produced when anisole reacts with HI?
| 1. | ![]() |
2. | ![]() |
| 3. | ![]() |
4. | ![]() |
The number of protons, neutrons and electrons in \( _{71}^{175}Lu\) respectively, are:
1. 104, 71 and 71
2. 71, 71 and 104
3. 175, 104 and 71
4. 71, 104 and 71
Hydrolysis of sucrose is given by the following reaction
Sucrose + H2O Glucose + Fructose
If the equilibrium constant (Kc) is 21013 at 300 K, the value of at the same temperature will be:
1. 8.314 J mol–1 K–1300 Kln (21013)
2. 8.314 J mol–1 K–1300 Kln (31013)
3. –8.314 J mol–1 K–1300 Kln (41013)
4. –8.314 J mol–1 K–1300 Kln (21013)
Find the quantity that increases when the concentration of reactants in a reaction is increased.
| 1. | Heat of reaction | 2. | Threshold energy |
| 3. | Collision frequency | 4. | Activation energy |
Which of the following set of reactants produces Anisole?
1. CH3CHO ; RMgX
2. C6H5OH ; NaOH ; CH3l
3. C6H5OH ; neutral FeCl3
4. C6H5 - CH3 ; CH3COCl ; AlCl3
Given that the ionic product of is 2 × . The solubility of in 0.1 M NaOH is ;
1. 2 × M
2. 1 × M
3. 1 × M
4. 2 × M
Which of the following statement(s) is/are correct about the elimination reaction of 2-Bromopentane to form pent-2-ene:
(a) -Elimination reaction
(b) Follows Zaitsev rule
(c) Dehydrohalogenation reaction
(d) Dehydration reaction
| 1. | (a), (c), (d) | 2. | (b), (c), (d) |
| 3. | (a), (b), (d) | 4. | (a), (b), (c) |