Match List-I with List-II.
Choose the correct answer from the option given below:
| List-I (Compound) |
List-II (Shape/geometry) |
||
| A. | NH3 | I. | Trigonal Pyramidal |
| B. | BrF5 | II. | Square planar |
| C. | XeF4 | III. | Octahedral |
| D. | SF6 | IV. | Square Pyramidal |
Choose the correct answer from the option given below:
| 1. | A-II, B-IV, C-III, D-I | 2. | A-III, B-IV, C-I, D-II |
| 3. | A-II, B-III, C-IV, D-I | 4. | A-I, B-IV, C-II, D-III |
Subtopic: V.S.E.P.R & V.B.T |
82%
Level 1: 80%+
NEET - 2024
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 |
84%
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
A compound X contains 32% of A, 20% of B and remaining percentage of C. Then, the empirical formula of X is :
(Given atomic mass of A = 64; B = 40; C = 32u)
1. ABC3
2. AB2C2
3. ABC4
4. A2BC2
(Given atomic mass of A = 64; B = 40; C = 32u)
1. ABC3
2. AB2C2
3. ABC4
4. A2BC2
Subtopic: Empirical & Molecular Formula |
77%
Level 2: 60%+
NEET - 2024
Hints
For the given redox reaction, find out the coefficients a, b and c of a balanced equation respectively:
\(\mathrm{{a} {Cr}_2 {O}_7^{2-}+{bSO}_3^{2-}({aq})+{c} {H}^{+}({aq})} →\)\(\mathrm{2 {a} {Cr}^{3+}({aq})+{bSO}_4^{2-}({aq})+\frac{{c}}{2} {H}_2 {O}(\ell)} \)
\(\mathrm{{a} {Cr}_2 {O}_7^{2-}+{bSO}_3^{2-}({aq})+{c} {H}^{+}({aq})} →\)\(\mathrm{2 {a} {Cr}^{3+}({aq})+{bSO}_4^{2-}({aq})+\frac{{c}}{2} {H}_2 {O}(\ell)} \)
| 1. | 8, 1 and 3 | 2. | 1, 3 and 8 |
| 3. | 3, 8 and 1 | 4. | 1, 8 and 3 |
Subtopic: Balancing of Equations |
78%
Level 2: 60%+
NEET - 2023
Hints
Match List-I with List-II:
Choose the correct answer from the options given below:
| (List-I) Solid salt treated with dil. \(\mathrm{{H}_2 {SO}_4}\) |
(List-II ) Anion detected |
||
| A. | Effervescence of colourless gas | I. | \( \mathrm{NO}_2^{-} \) |
| B. | Gas with smell of rotten egg | II. | \(\mathrm{CO}_3^{2-} \) |
| C. | Gas with pungent smell | III. | \(\mathrm{S}^{2-}\) |
| D. | Brown fumes | IV. | \(\mathrm{SO}_3^{2-}\) |
| 1. | A-II, B-III, C-IV, D-I | 2. | A-IV, B-III, C-II, D-I |
| 3. | A-I, B-II, C-III, D-IV | 4. | A-II, B-III, C-I, D-IV |
Subtopic: Detection of Anions |
75%
Level 2: 60%+
NEET - 2024
Hints
Consider the following reaction in a sealed vessel at equilibrium:
\(2 \text{NO}_{(\text{g})} \rightleftharpoons \text{N}_{2(\text{g})} +\text{O}_{2\text{(g)}}\)
[Given: \(\text{N}_2=3.0 \times 10^{-3} \text{M}, \text{O}_2=4.2 \times 10^{-3} \text{M}\) and \(\text{NO}=2.8 \times 10^{-3} \text M\)]
If 0.1 mol L-1 of NO(g) is taken in a closed vessel, what will be the degree of dissociation (\(\alpha\)) of NO(g) at equilibrium?
1. 0.0889
2. 0.00717
3. 0.717
4. 0.00889
\(2 \text{NO}_{(\text{g})} \rightleftharpoons \text{N}_{2(\text{g})} +\text{O}_{2\text{(g)}}\)
[Given: \(\text{N}_2=3.0 \times 10^{-3} \text{M}, \text{O}_2=4.2 \times 10^{-3} \text{M}\) and \(\text{NO}=2.8 \times 10^{-3} \text M\)]
If 0.1 mol L-1 of NO(g) is taken in a closed vessel, what will be the degree of dissociation (\(\alpha\)) of NO(g) at equilibrium?
1. 0.0889
2. 0.00717
3. 0.717
4. 0.00889
Subtopic: Introduction To Equilibrium |
Level 3: 35%-60%
NEET - 2024
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