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Match List I with List II :
Choose the correct answer from the options given below :
1. A-II, B-IV, C-III, D-I
2. A-III, B-I, C-II, D-IV
3. A-I, B-III, C-II, D-IV
4. A-III, B-I, C-IV, D-II
| List I (Complex) | List II (Type of isomerism) |
|---|---|
| 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-II, B-IV, C-III, D-I
2. A-III, B-I, C-II, D-IV
3. A-I, B-III, C-II, D-IV
4. A-III, B-I, C-IV, D-II
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The number of hydrogen atoms present in 5.4 g of urea is :
(Given : Molar mass of urea : 60 g mol-1, NA : 6.022 × 1023 particles mol-1)
1. 2.168 × 1022
2. 2.168 × 1023
3. 1.084 × 1022
4. 1.084 × 1023
(Given : Molar mass of urea : 60 g mol-1, NA : 6.022 × 1023 particles mol-1)
1. 2.168 × 1022
2. 2.168 × 1023
3. 1.084 × 1022
4. 1.084 × 1023
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The calculated 'spin-only' magnetic moment of \(Ti^{2+} (3d^{2})\) is :
1. 3.87 BM
2. 5.92 BM
3. 4.90 BM
4. 2.84 BM
1. 3.87 BM
2. 5.92 BM
3. 4.90 BM
4. 2.84 BM
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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. 1
2. 2
3. 2.5
4. 0
1. 1
2. 2
3. 2.5
4. 0
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Compound P (C8H8O) gives a red orange precipitate with 2,4-DNP reagent and it does not reduce Fehling's reagent. On drastic oxidation with chromic acid, P gives an aromatic product Q that produces effervescence on treating with aq. NaHCO3; Compounds P and Q, respectively, are :
| 1. |  |
| 2. |  |
| 3. |  |
| 4. |  |
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67. Match List I with List II :
Choose the correct answer from the options given below :
1. A-IV, B-III, C-II, D-I
2. A-IV, B-III, C-I, D-II
3. A-IV, B-II, C-I, D-III
4. A-I, B-II, C-III, D-IV
| List I (Order of reaction) | List II (Unit of rate constant) |
|---|---|
| A. Zero order | I. mol-1 L s-1 |
| B. First order | II. mol-2 L2 s-1 |
| C. Second order | III. s-1 |
| D. Third order | IV. mol L-1 s-1 |
Choose the correct answer from the options given below :
1. A-IV, B-III, C-II, D-I
2. A-IV, B-III, C-I, D-II
3. A-IV, B-II, C-I, D-III
4. A-I, B-II, C-III, D-IV
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Although +3 oxidation state is most common in lanthanoids, cerium still shows +4 oxidation state because :
| 1. | After losing one more electron, it acquires \(4f^{14}\) electronic configuration. |
| 2. | Its atomic number is 61. |
| 3. | After losing one more electron, it acquires \(4f^0\) electronic configuration. |
| 4. | Its nearest inert gas is Radon. |
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In a test tube containing a salt, a few drops of dilute H2SO4 were added, which gave colourless vapours having the smell of vinegar. The vapours turned the blue litmus paper red.
Identify the correct anion from the following:
1. Carbonate, CO32−
2. Sulphate, SO42−
3. Acetate, CH3COO−
4. Sulphide, S2−
Identify the correct anion from the following:
1. Carbonate, CO32−
2. Sulphate, SO42−
3. Acetate, CH3COO−
4. Sulphide, S2−
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Calculate emf of the half cell given below :
Pt (s) | \(H_2 (g, 2 \text{ atm})\) | \(HCl (aq, 0.02 \text{ M})\)
\(E^\circ_{H_2/H^+} = 0 \text{ V}\)
(Given : \(\frac{2.303 RT}{F} = 0.059\),
\(\log 2 = 0.3010\))
1. 0.035 V
2. -0.035 V
3. -0.109 V
4. 0.109 V
Pt (s) | \(H_2 (g, 2 \text{ atm})\) | \(HCl (aq, 0.02 \text{ M})\)
\(E^\circ_{H_2/H^+} = 0 \text{ V}\)
(Given : \(\frac{2.303 RT}{F} = 0.059\),
\(\log 2 = 0.3010\))
1. 0.035 V
2. -0.035 V
3. -0.109 V
4. 0.109 V
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