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Which of the following statements is not...

Which of the following statements is not correct ?

A

5% aqueous solutions of NaCl and KCl are said to be isomolar

B

1 M sucrose solution and 1 M glucose solution are isotonic

C

Molecular mass of acetic acid and benzoic acid is higher than normal mass in cryoscopic methods.

D

For the same solution, `(DeltaT_b)/(DeltaT_f)=K_b/K_f`

Text Solution

Verified by Experts

The correct Answer is:
A
Both NaCl and KCl have different molecular masses.
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NCERT FINGERTIPS-SOLUTIONS -Colligative Properties And Determination Of Molar Mass
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  2. Relative lowering of vapour pressure , osmotic pressure of a solution ...

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  3. The osmotic pressure of a solution can be increased by

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  4. People taking lot of salt experience puffiness or swelling of the body...

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  5. The preservation of meat by salting and of fruits by adding sugar prot...

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  6. Sea water is desalinated to get fresh water by which of the following ...

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  7. A 5% solution of cane sugar (molecular weight=342) is isotonic with 1%...

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  8. Which of the following statements is correct about diffusion and osmos...

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  9. 10% solution of urea is isotonic with 6% solution of a non-volatile so...

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  10. A solution containing 10.2 g of glycrine per litre is found to be isot...

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  11. What will be the osmotic pressure in pascals exerted by a solution pre...

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  12. Osomotic pressure of a solution containing 2 g dissolved protein per 3...

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  13. Twenty grams of a substance were dissolved in 500ml. Of water and the ...

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  14. Which of the following statements is not correct ?

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  15. Grapes placed in three beakers X ,Y and Z containing different type of...

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  16. A plant cell shrinks when it is kept in

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  17. Which of the following statements is correct ?

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  18. For carrying reverse osmosis for desalination of water the material us...

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  19. Which of the following is not an industrial or biological importance o...

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  20. Match the column I with column II and mark the appropriate choice.

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