Solutions's Question 17 | Chemistry XII - Part 1 | NCERT Exemplar Questions

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MCQ (Single Correct Answer)

Value of Henry's constant $\mathrm{K}_{\mathrm{H}}$ ............ .

increases with increase in temperature

decreases with increase in temperature

remains constant

first increases then decreases

MCQ (Single Correct Answer)

The value of Henry's constant, $\mathrm{K}_{\mathrm{H}}$ is ........... .

greater for gases with higher solubility

greater for gases with lower solubility

constant for all gases

not related to the solubility of gases

MCQ (Single Correct Answer)

Consider the figure and mark the correct option.

Water will move from side $(A)$ to side $(B)$ if a pressure lower osmotic pressure is applied on piston (B)

Water will move from side $(B)$ to side $(A)$ if a pressure greater than osmotic pressure is applied on piston (B)

Water will move from side $(B)$ to side $(A)$ if a pressure equal to osmotic pressure is applied on piston (B)

Water will move from side $(A)$ to side $(B)$ if pressure equal to osmotic pressure is applied on piston (A)

MCQ (Single Correct Answer)

We have three aqueous solutions of NaCl labelled as ' A ', ' B ' and ' C ' with concentrations $0.1 \mathrm{M}, 0.01 \mathrm{M}$ and 0.001 M , respectively. The value of van't Hoff factor for these solutions will be in the order .......... .

$i_A< i_B< i_C$

$i_A>i_B>i_C$

$i_A=i_B=i_C$

$i_A< i_B> i_C$

MCQ (Single Correct Answer)

On the basis of information given below mark the correct option. Information

(i) In bromoethane and chloroethane mixture intermolecular interactions of $\mathrm{A}-\mathrm{A}$ and $\mathrm{B}-\mathrm{B}$ type are nearly same as $\mathrm{A}-\mathrm{B}$ type interactions.

(ii) In ethanol and acetone mixture $\mathrm{A}-\mathrm{A}$ or $\mathrm{B}-\mathrm{B}$ type intermolecular interactions are stronger than $A-B$ type interactions.

(iii) In chloroform and acetone mixture $\mathrm{A}-\mathrm{A}$ or $\mathrm{B}-\mathrm{B}$ type intermolecular interactions are weaker than $A-B$ type interactions.