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Among the following compounds, which one has the shortest C – Cl bond?

Among the following compounds, which one has the shortest C – Cl bond? Option 4 is the answer... View Article

The Crystal Field Stabilization Energy (CFSE) of [CoF₃(H₂O)₃] (Δ₀ < P) is:

1) – 0.8Δ0 2) – 0.8Δ0 + 2P 3) – 0.4Δ0 + P 4) – 0.4Δ0 Answer: (4) [CoF3(H2O)3] (Δ0 <... View Article

The major product [C] of the following reaction sequence will be:

The major product [C] of the following reaction sequence will be: Option 1 is the answer.... View Article

The major product [B] in the following reactions is:

The major product [B] in the following reactions is: Option 1 is the answer.... View Article

The shortest wavelength of the H atom in the Lyman series is

1) 9λ1/5 2) 27λ1/5 3) 36λ1/5 4) 5λ1/9 Answer: (1) (1/λ1) = R4 × (1)2 × {1 - [1/∞2]} = RH... View Article

250 mL of a waste solution obtained from the workshop

250 mL of a waste solution obtained from the workshop of a goldsmith contains 0.1 M AgNO3 and 0.1 M AuCl. The solution was electrolyzed at 2 V by... View Article

Five moles of an ideal gas at 1 bar and 298 K is expanded into the vacuum to double the volume. The work done is:

1) zero 2) Cv [T2 - T1] 3) – RT (V2 – V1) 4) – RT ln (V2/V1) Answer: (1) As it is free expansion against zero external pressure, work done = zero.... View Article

Which of the following compounds will form the precipitate

Which of the following compounds will form the precipitate with aq. AgNO3 solution most readily? Answer: (2) Rate of reaction ∝ stability of... View Article

The one that can exhibit the highest paramagnetic behaviour among the following is: gly = glycinato; bpy = 2, 2’-bipyridine

1) [Ti (NH3)6]3+ 2) [Co (OX)2 (OH)2]- 3) [Pd (gly)2] 4) [Fe (en) (bpy) (NH3)2]2+ Answer: (2) [1] [Ti (NH3)6]3+ ⇒ Ti3+ (3d1) ⇒ = √3 [2] [Co... View Article

A sample of red ink (a colloidal suspension) is prepared by mixing eosin dye, egg white, HCHO and water. The component which ensures the stability of the ink sample is

1) HCHO 2) Water 3) Eosin dye 4) Egg white Answer: (4) The component which ensures the stability of the ink sample is egg white... View Article

If the equilibrium constant for A ⇌ B + C is K_eq⁽¹⁾ and that of B + C ⇌ P is K_eq⁽²⁾, the equilibrium constant for A ⇌ P is

If the equilibrium constant for A ⇌ B + C is Keq(1) and that of B + C ⇌ P is Keq(2), the equilibrium constant for A ⇌ P is Solution: Option... View Article

The process that is NOT endothermic in nature is :

1) H(g) + e– → H(g)- 2) Na(g) → Na(g)- → e– 3) Ar(g) + e– → Ar(g)- 4) O-(g) + e– → O(g)2- Answer: (1) H(g) + e– → H(g)- is an exothermic... View Article

The reaction in which the hybridisation of the underlined atom is affected is:

The reaction in which the hybridisation of the underlined atom is affected is: Option 2 is the answer.... View Article

If 75% of a first order reaction was completed in 90 minutes, 60% of the same reaction would be completed in approximately (in minutes) ________. (take : log 2 = 0.30; log 2.5 = 0.40)

Answer: 60 t75% = 90 min = 2 × t1/2 t1/2 = 45 min [ln (2) / 45] × 60% = ln [100 / 40] t60% = 45 × [0.4 / 0.3] t60% = 60 min... View Article

M	T	W	T	F	S	S
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7	8	9	10	11	12	13
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21	22	23	24	25	26	27
28	29	30

Archives

Among the following compounds, which one has the shortest C – Cl bond?

The Crystal Field Stabilization Energy (CFSE) of [CoF₃(H₂O)₃] (Δ₀ < P) is:

The major product [C] of the following reaction sequence will be:

The major product [B] in the following reactions is:

The shortest wavelength of the H atom in the Lyman series is

250 mL of a waste solution obtained from the workshop

Five moles of an ideal gas at 1 bar and 298 K is expanded into the vacuum to double the volume. The work done is:

Which of the following compounds will form the precipitate

The one that can exhibit the highest paramagnetic behaviour among the following is: gly = glycinato; bpy = 2, 2’-bipyridine

A sample of red ink (a colloidal suspension) is prepared by mixing eosin dye, egg white, HCHO and water. The component which ensures the stability of the ink sample is

If the equilibrium constant for A ⇌ B + C is K_eq⁽¹⁾ and that of B + C ⇌ P is K_eq⁽²⁾, the equilibrium constant for A ⇌ P is

The process that is NOT endothermic in nature is :

The reaction in which the hybridisation of the underlined atom is affected is:

If 75% of a first order reaction was completed in 90 minutes, 60% of the same reaction would be completed in approximately (in minutes) ________. (take : log 2 = 0.30; log 2.5 = 0.40)

The mass of ammonia in grams produced when 2.8 kg of dinitrogen quantitatively reacts with 1 kg of dihydrogen is

At 300 K, the vapour pressure of a solution containing 1 mole of n-hexane

The number of chiral centres present in [B] is

On combustion of Li, Na and K in excess of air, the major oxides formed, respectively, are

The elements with atomic numbers 101 and 104 belong to, respectively

Which of the following will react with CHCl₃ + alc. KOH?

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