Define the following terms:Colligative properties from Class 12

Subject

Chemistry

Class

CBSE Class 12

Pre Boards

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Sample Papers

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 Multiple Choice QuestionsShort Answer Type

1.

Write the formula of an oxo-anion of Manganese (Mn) in which it shows the oxidation state equal to its group number.

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2.

For a reaction R → P, half-life (t1/2) is observed to be independent of the initial concentration of reactants. What is the order of reaction?

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3.

Write one similarity between Physisorption and Chemisorption?

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4.

Complete the following reactions :
NH3 + 3Cl2(excess) →

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5.

Complete the following reactions :
XeF6 + 2H2O → 

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6.

What happens when
(NH4)2Cr2O7 is heated?

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7.

What happens when
H3PO3 is heated?

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8.

Define the following terms:
Colligative properties


Colligative properties are properties of solutions that depend on the ratio of the number of solute particles to the number of solvent molecules in a solution, and not on the nature of the chemical species present.Colligative properties include vapour pressure lowering, boiling point elevation, freezing point depression, and osmotic pressure.

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9.

Define the following terms:
Molality (m)

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10.

Draw the structures of the following :
H2S2O7

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