Question 50
Match the terms given in Column I with expressions given in Column II.
$Column I Column IIA. Mass percentage1. Number of moles of the solute xomponentVolume of solution in litresB. Volume percentage2. Number of moles of a componentTotal number of moles of all the componentsC. Mole fraction3. Volume of the solute component in solutionTotal volume of solution×100D. Molality4. Mass of the solute component in solutionTotal mass of the solution×100E. Molarity5. Number of moles of the solute componentsMass of solvent in kilograms$

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Solution

A. $\to (4)$ B. $\to (3)$ C. $\to (2)$ D. $\to (5)$ E. $\to (1)$
$Column I Column II(Concentration terms)(Mathematical formula)A. Mass percentageMass of the solute component in solutionTotal mass of the solution×100B. Volume percentageVolume of the solute component in solutionTotal volume of solution×100C. Mole fractionNumber of moles of a componentTotal number of moles of all the componentsD. MolalityNumber of moles of the solute componentsMass of solvent in kilogramsE. MolarityNumber of moles of the solute componentVolume of solution in litres$

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Question 48
Match the items given in Column I with the type of solutions given in Column II.
$\begin{matrix} C o l u m n I & C o l u m n I I A . S o d a w a t e r & 1. A s o l u t i o n o f g a s i n s o l i d B . S u g a r s o l u t i o n & 2. A s o l u t i o n o f g a s i n g a s C . G e r m a n s i l v e r & 3. A s o l u t i o n o f s o l i d i n l i q u i d D . A i r & 4. A s o l u t i o n o f s o l i d i n s o l i d E . H y d r o g e n g a s i n p a l l a d l u m & 5. A s o l u t i o n o f g a s i n l i q u i d 6. A s o l u t i o n o f l i q u i d i n s o l i d \end{matrix}$

Question 47
Match the items given in Column I and Column II.
$\begin{matrix} C o l u m n I & C o l u m n I I A . S a t u r a t e d s o l u t i o n & 1. S o l u t i o n h a v i n g s a m e o s m o t i c p r e s s u r e a t a g i v e n t e m p e r a t u r e a s t h a t o f g i v e n s o l u t i o n . B . B i n a r y s o l u t i o n & 2. A s o l u t i o n w h o s e o s m o t i c p r e s s u r e i s l e s s t h a n t h a t o f a n o t h e r . C . I s o t o n i c s o l u t i o n & 3. S o l u t i o n w i t h t w o c o m p o n e n t s . D . H y p o t o n i c s o l u t i o n & 4. A s o l u t i o n w h i c h c o n t a i n s m a x i m u m a m o u n t o f s o l u t e t h a t c a n b e d i s s o l v e d i n a g i v e n a m o u n t o f s o l v e n t a t a g i v e n t e m p e r a t u r e . E . S o l i d s o l u t i o n & 5. A s o l u t i o n w h o s e o s m o t i c p r e s s u r e i s m o r e t h a n t h a t o f a n o t h e r . F . H y p e r t o n i c s o l u t i o n . & 6. A s o l u t i o n i n s o l i d p h a s e . \end{matrix}$

Q. Express the terms representing the following formulae :
(i)

\frac{N o . o f m o l e s o f s o l u t e}{V o l u m e o f s o l u t i o n i n l i t r e s} = (W)

(ii)

\frac{N o . o f m o l e s o f s o l u t e}{M a s s o f s o l v e n t i n k g} = (X)

(iii)

\frac{N o . o f m o l e s o f c o m p o n e n t}{M o l e s i n t h e s o l u t i o n} = (Y)

(iv)

\frac{M a s s o f c o m p o n e n t}{M a s s o f s o l u t i o n} = (Z)

Q. Mass percentage of urea in aqueous solution is 30%.The molality of urea in the solution is:
(Mol. wt. of urea = 60 g mole

^{- 1}

)

Q. This section contains questions each with two columns-I and II. Match the (salt solution) given in column I with that pH in column II.

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