Stoichiometry

381. Which of the following gases will have the- highest kinetic energy per mole at the same pressure & temperature?

1. Chlorine
2. Nitrogen
3. Ethane
4. All the gases will have the same KE

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382. Which of the following has the least (almost negligible) effect on the solubility of a solute in a solvent?

1. Temperature
2. Nature of solute
3. Pressure
4. Nature of solvent

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383. Which of the following has the smallest least effect on the solubility of a solute into the solvent?

1. Nature of the solute
2. Nature of the solvent
3. Temperature
4. Pressure

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384. Which of the following holds good for a solution obeying Raoult's law (i.e., an ideal solution) (where, ΔH = heat of mixing, and ΔV = volume change on mixing)?

1. ΔH = 1 (+ ve) and Δ V = -ve
2. ΔH = 0
3. ΔV = 0
4. Both (B) and (C)

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385. Which of the following ideal gas laws are not applicable to mixture of gases?

1. Amagat's law
2. Dalton's law
3. Boyle's law & Charle's Law
4. None of these

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386. Which of the following is an exothermic reaction?

1. Conversion of graphite to diamond
2. Decomposition of water
3. Dehydrogenation of ethane to ethylene
4. None of these

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387. Which of the following is followed by an ideal solution?

1. Boyle's law
2. Amagat's law
3. Raoult's law
4. Trouton's rule

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388. Which of the following is insensitive to changes in pressure?

1. Heat of vaporisation
2. Melting point
3. Heat of fusion
4. Both (B) and (C)

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389. Which of the following is not a colligative property?

1. Osmotic pressure
2. Depression of freezing point
3. Lowering of vapor pressure
4. None of these

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390. Which of the following is not a unit of kinematic viscosity?

1. Poise
2. Stoke
3. cm²/second
4. None of these

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