Solutions
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Assertion: When NaCl is added to water a depression in freezing point is observed.
Reason: The lowering of vapour pressure of a solution causes depression in the freezing point.
Assertion: When NaCl is added to water a depression in freezing point is observed.
Reason: The lowering of vapour pressure of a solution causes depression in the freezing point.
This is a assertion and reason answer type question as classified in NCERT Exemplar
(i) Assertion and reason both are correct statements and reason is correct explanation for assertion.
Explanation: When a nonvolatile solute (such as NaCl) is added to water, a NaCl solution is created. When comp
Upvote 
Assertion: When methyl alcohol is added to water, boiling point of water increases.
Reason: When a volatile solute is added to a volatile solvent elevation in boiling point is observed.
Assertion: When methyl alcohol is added to water, boiling point of water increases.
Reason: When a volatile solute is added to a volatile solvent elevation in boiling point is observed.
This is a assertion and reason answer type question as classified in NCERT Exemplar
(iv) Assertion and reason both are incorrect statements.
Explanation: (i) Both methyl alcohol and water are volatile liquids that, when mixed together to produce a binary solution, have a higher vapour pres
Upvote In the following questions a statement of assertion followed by a a statement of reason is given. Choose the correct answer out of the following choices.
(i) Assertion and reason both are correct statements and reason is correct explanation for assertion.
(ii) Assertion and reason both are correct statements but reason is not correct explanation for assertion.
(iii) Assertion is correct statement but reason is a wrong statement.
(iv) Assertion and reason both are incorrect statements.
(v) Assertion is wrong statement but reason is correct statement.
Assertion: Molarity of a solution in liquid state changes with temperature.
Reason: The volume of a solution changes with change in temperature.
In the following questions a statement of assertion followed by a a statement of reason is given. Choose the correct answer out of the following choices.
(i) Assertion and reason both are correct statements and reason is correct explanation for assertion.
(ii) Assertion and reason both are correct statements but reason is not correct explanation for assertion.
(iii) Assertion is correct statement but reason is a wrong statement.
(iv) Assertion and reason both are incorrect statements.
(v) Assertion is wrong statement but reason is correct statement.
Assertion: Molarity of a solution in liquid state changes with temperature.
Reason: The volume of a solution changes with change in temperature.
(i) Assertion and reason both are correct statements and reason is correct explanation for assertion.
Explanation: (i) In terms of 'Molarity (M), ' the number of moles of the solute dissolved per litre of solution is the strength of a solution.
(ii) Because the volume of a liquid changes with temper
Upvote Match the terms given in Column I with expressions given in Column II.
Column I
Column II
(i) Mass percentage
(a) (a) Number of moles of the solute component/Volume of solution in litres
(ii) Volume percentage
(b) Number of moles of a component / Total number of moles of all the components
(iii) Mole fraction
(c) Volume of the solute component in solution /Total volume of solution *100
(iv) Molality
(d) Mass of the solute component in solution/Total mass of the solution *100
(v) Molarity
(e) Number of moles of the solute components/Mass of solvent in kilograms
Match the terms given in Column I with expressions given in Column II.
|
Column I |
Column II |
|
(i) Mass percentage |
(a) (a) Number of moles of the solute component/Volume of solution in litres |
|
(ii) Volume percentage |
(b) Number of moles of a component / Total number of moles of all the components |
|
(iii) Mole fraction |
(c) Volume of the solute component in solution /Total volume of solution *100 |
|
(iv) Molality |
(d) Mass of the solute component in solution/Total mass of the solution *100 |
|
(v) Molarity |
(e) Number of moles of the solute components/Mass of solvent in kilograms |
This is a matching answer type question as classified in NCERT Exemplar
(i)- (d); (ii)- (c); (iii)- (b); (iv)- (e); (v)- (a)
Upvote Match the laws given in Column I with expressions given in Column II.
Column I
Column II
(i) Raoult’s law
(a) ΔTf=Kfm
(ii) Henry’s law
(b) π=CRT
(iii) Elevation of boiling point
(c) P=x1p10 +x2p20
(iv) Depression in freezing point
(d) ΔTb=Kbm
(v) Osmotic pressure
(e) p= KH.x
Match the laws given in Column I with expressions given in Column II.
|
Column I |
Column II |
|
(i) Raoult’s law |
(a) ΔTf=Kfm |
|
(ii) Henry’s law |
(b) π=CRT |
|
(iii) Elevation of boiling point |
(c) P=x1p10 +x2p20 |
|
(iv) Depression in freezing point |
(d) ΔTb=Kbm |
|
(v) Osmotic pressure |
(e) p= KH.x |
This is a matching answer type question as classified in NCERT Exemplar
(i)- (c); (ii)- (e); (iii)- (d); (iv)- (a); (v)- (b)
Upvote Match the items given in Column I with the type of solutions given in Column II.
Column I
Column II
(i) Soda water
(a) A solution of gas in solid
(ii) Sugar solution
(b) A solution of gas in gas
(iii) German silver
(c) A solution of solid in liquid
(iv) Air
(d) A solution of solid in solid
(v) Hydrogen gas in palladium
(e) A solution of gas in liquid
(f) A solution of liquid in solid
Match the items given in Column I with the type of solutions given in Column II.
|
Column I |
Column II |
|
(i) Soda water |
(a) A solution of gas in solid |
|
(ii) Sugar solution |
(b) A solution of gas in gas |
|
(iii) German silver |
(c) A solution of solid in liquid |
|
(iv) Air |
(d) A solution of solid in solid |
|
(v) Hydrogen gas in palladium |
(e) A solution of gas in liquid |
|
(f) A solution of liquid in solid |
This is a matching answer type question as classified in NCERT Exemplar
(i)- (e); (ii)- (c); (iii)- (d); (iv)- (b); (v)- (a)
Upvote Match the items given in Column I and Column I
Column I
Column II
(i) Saturated solution
(a) Solution having same osmotic pressure at a given temperature as that of given solution.
(ii) Binary solution
(b) A solution whose osmotic pressure is less than that of another.
(iii) Isotonic solution
(c) Solution with two components.
(iv) Hypotonic solution
(d) A solution which contains maximum amount of solute that can be dissolved in a given amount of solvent at a given temperature
(v) Solid solution
(e) A solution whose osmotic pressure is more than that of another.
(vi) Hypertonic solution
(f) A solution in solid phase.
Match the items given in Column I and Column I
|
Column I |
Column II |
|
(i) Saturated solution |
(a) Solution having same osmotic pressure at a given temperature as that of given solution. |
|
(ii) Binary solution |
(b) A solution whose osmotic pressure is less than that of another. |
|
(iii) Isotonic solution |
(c) Solution with two components. |
|
(iv) Hypotonic solution |
(d) A solution which contains maximum amount of solute that can be dissolved in a given amount of solvent at a given temperature |
|
(v) Solid solution |
(e) A solution whose osmotic pressure is more than that of another. |
|
(vi) Hypertonic solution |
(f) A solution in solid phase. |
This is a matching answer type question as classified in NCERT Exemplar
(i)- (d); (ii)- (c); (iii)- (a); (iv)- (b); (v)- (f); (vi)- (e)
Upvote <p><strong>Match the items given in Column I and Column I</strong></p>
<table>
<tbody>
<tr>
<td width="128">
<p><strong>Column I</strong></p>
</td>
<td width="336">
<p><strong>Column II</strong></p>
</td>
</tr>
<tr>
<td width="128">
<p><strong>(i) Saturated solution</strong></p>
</td>
<td width="336">
<p><strong>(a) Solution having same osmotic pressure at a given temperature as that of given solution.</strong></p>
</td>
</tr>
<tr>
<td width="128">
<p><strong>(ii) Binary solution</strong></p>
</td>
<td width="336">
<p><strong>(b) A solution whose osmotic pressure is less than that of another.</strong></p>
</td>
</tr>
<tr>
<td width="128">
<p><strong>(iii) Isotonic solution</strong></p>
</td>
<td width="336">
<p><strong>(c) Solution with two components.</strong></p>
</td>
</tr>
<tr>
<td width="128">
<p><strong>(iv) Hypotonic solution</strong></p>
</td>
<td width="336">
<p><strong>(d) A solution which contains maximum amount of solute that can be dissolved in a given amount of solvent at a given temperature</strong></p>
</td>
</tr>
<tr>
<td width="128">
<p><strong>(v) Solid solution</strong></p>
</td>
<td width="336">
<p><strong>(e) A solution whose osmotic pressure is more than that of another.</strong></p>
</td>
</tr>
<tr>
<td width="128">
<p><strong>(vi) Hypertonic solution</strong></p>
</td>
<td width="336">
<p><strong>(f) A solution in solid phase.</strong></p>
</td>
</tr>
</tbody>
</table>
Colligative properties are observed when _____________.
(i) A nonvolatile solid is dissolved in a volatile liquid.
(ii) A nonvolatile liquid is dissolved in another volatile liquid.
(iii) A gas is dissolved in nonvolatile liquid.
(iv) A volatile liquid is dissolved in another volatile liquid.
Colligative properties are observed when _____________.
(i) A nonvolatile solid is dissolved in a volatile liquid.
(ii) A nonvolatile liquid is dissolved in another volatile liquid.
(iii) A gas is dissolved in nonvolatile liquid.
(iv) A volatile liquid is dissolved in another volatile liquid.
This is a multiple choice answer as classified in NCERT Exemplar
(i) and (ii)
Colligative properties are observed when a non-volatile solid or liquid are dissolved in a volatile liquid.
Upvote For a binary ideal liquid solution, the variation in total vapour pressure versus composition of solution is given by which of the curves?
For a binary ideal liquid solution, the variation in total vapour pressure versus composition of solution is given by which of the curves?
This is a multiple choice answer as classified in NCERT Exemplar
(i) and (iv)
Explanation : Because the slopes in (i) and (iv) are straight lines, they represent the solution's ideal behaviour.
Upvote