The correct IUPAC name of the following compound is:
1. 2,4-diethylhexane
2. 3,5-diethylhexane
3. 3-ethyl-5-methylheptane
4. 3-methyl-5-ethylheptane
1. 2,4-diethylhexane
2. 3,5-diethylhexane
3. 3-ethyl-5-methylheptane
4. 3-methyl-5-ethylheptane
Subtopic: Nomenclature |
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Match the following:
Choose the correct answer from the options given below:
1. A-I, B-III, C-IV, D-II
2. A-III, B-IV, C-I, D-II
3. A-IV, B-I, C-III, D-II
4. A-III, B-I, C-IV, D-II
| List-I (Complex/ ion) |
List-II (Shape/geometry) |
||
| A. | \([Pt(Cl_2)(NH_3)_2]\) | I. | Octahedral |
| B. | \([Co(NH_3)_6]Cl_3\) | II. | Trigonal bipyramidal |
| C. | \([NiCl_4]^{2-}\) | III. | Square planar |
| D. | \([Fe(CO)_5]\) | IV. | Tetrahedral |
Choose the correct answer from the options given below:
1. A-I, B-III, C-IV, D-II
2. A-III, B-IV, C-I, D-II
3. A-IV, B-I, C-III, D-II
4. A-III, B-I, C-IV, D-II
Subtopic: VBT, CFT & their Limitations |
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For a certain reaction R → Product, the plot of concentration [R] vs time has a negative slope as shown. The order of reaction is :
1. 0
2. 1
3. 2
4. 2.5
1. 0
2. 1
3. 2
4. 2.5
Subtopic: Definition, Rate Constant, Rate Law | Order, Molecularity and Mechanism |
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Which one of the following is an ambidentate ligand?
1. Ethylenediaminetetraacetate ion
2. Oxalate
3. Ethane-1,2-diamine
4. Thiocyanate
1. Ethylenediaminetetraacetate ion
2. Oxalate
3. Ethane-1,2-diamine
4. Thiocyanate
Subtopic: Ligands |
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For the reaction:
2A(g) + B(g) → 2D(g)
At 298 K:
ΔU° = −10 kJ mol⁻¹
ΔS° = −44 J K⁻¹ mol⁻¹
Given R = 8.31 J mol⁻¹ K⁻¹,
find ΔG° for the reaction and determine whether the reaction is spontaneous at 298 K.
| 1. | −1.635 kJ mol−1, spontaneous |
| 2. | +0.63568 kJ mol−1, non-spontaneous |
| 3. | −0.63568 kJ mol−1, spontaneous |
| 4. | +1.635 kJ mol−1, non-spontaneous |
Subtopic: Spontaneity & Entropy | Gibbs Energy Change |
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The correct formal charges on oxygen atoms numbered 2, 1 and 3 respectively are:
1. -1, 0, +1
2. 0, +1, -1
3. 0, 0, 0
4. +1, 0, -1
Subtopic: Octate, Isoelectronic Species, Lewis Structure & Formal Charge |
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Given below are certain reactions. Identify the reaction for which \(K_p \neq K_c .\)
| 1. | \( \mathrm{H}_2(\mathrm{~g})+I_2(\mathrm{~g}) \rightleftharpoons 2 \mathrm{HI}(\mathrm{~g})\) |
| 2. | \( \mathrm{N}_2(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g}) \rightleftharpoons 2 \mathrm{NO}(\mathrm{~g}) \) |
| 3. | \( \mathrm{N}_2(\mathrm{~g})+3 \mathrm{H}_2(\mathrm{~g}) \rightleftharpoons 2 \mathrm{NH}_3(\mathrm{~g}) \) |
| 4. | \( \mathrm{H}_2 \mathrm{O}(\mathrm{~g})+\mathrm{CO}(\mathrm{~g}) \rightleftharpoons \mathrm{H}_2(\mathrm{~g})+\mathrm{CO}_2(\mathrm{~g}) \) |
Subtopic: Kp, Kc & Factors Affecting them |
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Given below is an expression for the rate constant of a first order reaction occurring at a certain temperature, T(K).
\(\ln k = 14\cdot34 - \frac{1\cdot25 \times 10^4}{T}\)
The energy of activation in kcal mol-1 for the reaction is :
(Given : k in \(s^{-1}, R = 1.987 ~\text{cal mol}^{-1} K^{-1})\)
1. 12.42
2. 14.34
3. 18.63
4. 24.84
\(\ln k = 14\cdot34 - \frac{1\cdot25 \times 10^4}{T}\)
The energy of activation in kcal mol-1 for the reaction is :
(Given : k in \(s^{-1}, R = 1.987 ~\text{cal mol}^{-1} K^{-1})\)
1. 12.42
2. 14.34
3. 18.63
4. 24.84
Subtopic: First Order Reaction Kinetics | Arrhenius Equation |
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The following two reactions give the same foul smelling product Z.
X and Z respectively, are
1. \(X = \text{AgCN}; Z = C_2H_5\text{CN}\)
2. \(X = \text{KCN}; Z = C_2H_5\text{CN}\)
3. \(X = \text{KCN}; Z = C_2H_5\text{NC}\)
4. \(X = \text{AgCN}; Z = C_2H_5\text{NC}\)
X and Z respectively, are
1. \(X = \text{AgCN}; Z = C_2H_5\text{CN}\)
2. \(X = \text{KCN}; Z = C_2H_5\text{CN}\)
3. \(X = \text{KCN}; Z = C_2H_5\text{NC}\)
4. \(X = \text{AgCN}; Z = C_2H_5\text{NC}\)
Subtopic: Amines - Preparation & Properties | Identification of Primary, Secondary & Tertiary Amines |
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Match List I with List II:
Choose the correct answer from the options given below:
1. A-III, B-I, C-II, D-IV
2. A-I, B-III, C-II, D-IV
3. A-III, B-I, C-IV, D-II
4. A-II, B-IV, C-III, D-I
| List-I | List-II | ||
| A. | \([{Pt(NH_3)_2Cl_2}]\) | I. | Optical |
| B. | \([Co(en)_3]^{3+}\) | II. | Solvate |
| C. | \([Co(NH_3)_5NO_2]Cl_2\) | III. | Geometrical |
| D. | \([Cr(H_2O)_6]Cl_3\) | IV. | Linkage |
Choose the correct answer from the options given below:
1. A-III, B-I, C-II, D-IV
2. A-I, B-III, C-II, D-IV
3. A-III, B-I, C-IV, D-II
4. A-II, B-IV, C-III, D-I
Subtopic: Isomerism in Coordination Compounds |
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