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what would be the value of Vant Hoff’s factor for a dilute solution of k2SO4 in water?

The chemical equation is ;K2SO4 → 2K+ + SO4 Ions produced = n = 3 Since K2SO4 → 2K+ +... View Article

How to convert benzene to benzophenone?

The Friedel-Crafts acylation of benzene with benzoyl chloride in the presence of a Lewis Acid (e.g. AlCl3). When benzene react... View Article

How to convert acetic acid to methane?

Acetic acid is converted to Methane by the process of a reaction known as Oakwood Reaction. In this reaction decarboxylation... View Article

Value of Henry’s constant KH.? (a) increases with increase in temperature (b) decreases with increase in temperature (c) remains constant (d) first increases then decreases

Answer: (a) increases with increase in temperature Henry’s law is a gas law that states that the amount of gas that... View Article

What happens whenXeF6 undergo complete hydrolysis?

XeF6 is one of the three binary fluorides formed by the xenon. The complete hydrolysis of XeF6 produces XeO3 which... View Article

Name the sodium compound which is used for softening hard water..

Answer: Washing soda or sodium carbonate is used for removing permanent hardness of water or softening hard water. Washing soda... View Article

In sugar solution: (1) Sugar is solute, water is solvent (2) Sugar is solvent, water is solute (3) Both are solutes (4) Both are solvents

Answer: (1) Sugar is solute, water is solvent A solution is defined as a homogeneous mixture of two or more components... View Article

Which gas is released during preparation of bread is. a) Nitrogen. b) Oxygen c) Carbon dioxide d) hydrogen

CO2 (Carbon dioxide) is released when bread is baked. During fermentation yeast cells produce Carbon dioxide rapidly, which forms the... View Article

Differentiate between saturated and unsaturated solutions.

Answer: A solution is defined as a homogenous mixture that mainly comprises two components namely solute and solvent. Depending upon... View Article

What is the number of moles of KMnO4 that will be needed to react with one mole of sulphite ions in acidic solution?

The reaction is 2MnO4− + 5SO32− + 6H+ → ;2Mn2+ +5SO42− + 3H2O So one mole of sulphire ion will... View Article

How to convert ethyne to benzene?

When ethyne gas is passed through the red-hot iron tube, it leads to the formation of cyclic aromatic compound. When... View Article

State Distribution Law and give its three applications.

The distribution law states that a solute gets distributed between the two layers of immiscible solvents in such a way... View Article

Differentiate between exhaustible and inexhaustible resources.

Exhaustible resources Inexhaustible resources These resources are non-renewed once exhausted. These are renewable or replenishable resources. They are non replenishable... View Article

When an electric current is passed, electrons move from (a) High potential to low potential. (b) Low potential to high potential. (c) Electrons flow from lower to higher potential except through power sources. (d) Electrons flow from higher to lower potential, except through power sources.

Answer: (b) Low potential to high potential. The (+) terminal of a battery has a higher potential than the (-) terminal.... View Article

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