Subtopic: Diazonium Salts: Preparation, Properties & Uses |
57%
Level 3: 35%-60%
NEET - 2023
Hints
The conductivity of centimolar solution of KCl at 25°C is 0.0210 ohm–1 cm–1 and the resistance of the cell containing the solution at 25°C is 60 ohm. The value of the cell constant is:
| 1. | 3.34 cm–1 | 2. | 1.34 cm–1 |
| 3. | 3.28 cm–1 | 4. | 1.26 cm–1 |
Subtopic: Conductance & Conductivity |
82%
Level 1: 80%+
NEET - 2023
Hints
The number of \(\sigma\) bonds, \(\pi\) bonds and lone pair of electrons in pyridine, respectively, are:
1. 12, 2, 1
2. 11, 2, 0
3. 12, 3, 0
4. 11, 3, 1
1. 12, 2, 1
2. 11, 2, 0
3. 12, 3, 0
4. 11, 3, 1
Subtopic: Hybridisation & Structure of Carbon Compounds |
69%
Level 2: 60%+
NEET - 2023
Hints
Identify the correct relationship of stability from the options provided:
| 1. | \(\mathrm{TlI > TlI_3}\) | 2. | \(\mathrm{TlCl_3 > TlCl}\) |
| 3. | \(\mathrm{InI_3 > InI }\) | 4. | \(\mathrm{AlCl > AlCl_3 }\) |
Subtopic: Compounds of Boron- Preparations, Properties & Uses |
76%
Level 2: 60%+
NEET - 2023
Hints
Subtopic: Name Reaction |
76%
Level 2: 60%+
NEET - 2023
Hints
For a certain reaction, the rate = \(k[A]^2[B],\) when the initial concentration of A is tripled keeping the concentration of B constant, the initial rate would be:
| 1. | Increase by a factor of three |
| 2. | Decrease by a factor of nine |
| 3. | Increase by a factor of six |
| 4. | Increase by a factor of nine |
Subtopic: Order, Molecularity and Mechanism |
80%
Level 1: 80%+
NEET - 2023
Hints
Subtopic: Alcohols: Preparation & Properties |
72%
Level 2: 60%+
NEET - 2023
Hints
What is the correct relationship between changes in enthalpy and internal energy within the following options?
1. \(\mathrm{\Delta {H}+\Delta {U}=\Delta {nR}} \)
2. \(\mathrm{\Delta {H}=\Delta {U -\Delta n_gRT}}\)
3. \(\mathrm{\Delta {H}=\Delta {U+\Delta n_gRT }}\)
4. \(\mathrm{\Delta {H} -\Delta {U=-\Delta n_gRT}}\)
1. \(\mathrm{\Delta {H}+\Delta {U}=\Delta {nR}} \)
2. \(\mathrm{\Delta {H}=\Delta {U -\Delta n_gRT}}\)
3. \(\mathrm{\Delta {H}=\Delta {U+\Delta n_gRT }}\)
4. \(\mathrm{\Delta {H} -\Delta {U=-\Delta n_gRT}}\)
Subtopic: Enthalpy & Internal energy |
83%
Level 1: 80%+
NEET - 2023
Hints
The equilibrium concentration of the species in the reaction \(A+B \rightleftharpoons C+D\) are 2, 3, 10 and 6 mol L–1, respectively at 300 K. \(\Delta G^o\) for the reaction is:
(R = 2 cal/mol K)
(R = 2 cal/mol K)
| 1. | –13.73 cal | 2. | 1372.60 cal |
| 3. | –137.26 cal | 4. | –1381.80 cal |
Subtopic: Introduction To Equilibrium |
74%
Level 2: 60%+
NEET - 2023
Hints
Subtopic: Name Reaction |
70%
Level 2: 60%+
NEET - 2023
Hints
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