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Statement-1 : Molality of pure ethanol i...

Statement-1 : Molality of pure ethanol is lesser than pure water
Statement-2 : As density of ethanol is lesser than density of water
[Given : `d_("ethanol") = 0.789 gm//ml, d_("water") = 1gm//ml`]

A

Statement-1 is true, statement -2 is true and statement-2 is correct explanation for statement-1

B

Statement-1 is true, statement-2 is true and statement-2 is NOT the correct explanation for statement-1

C

Statement-1 is false, statement-2 is true

D

Statement-1 is true, statement-2 is false

Text Solution

Verified by Experts

The correct Answer is:
B
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ALLEN- CONCENTRATION TERMS-Exercise O-II
  1. Statement-1 : Molality of pure ethanol is lesser than pure water Sta...

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  2. Statement-1 : Molarity and molality have almost same value for a very ...

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  3. Statement-1 : Molarity of a solution depends on temperature but molali...

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  4. Statement-1 : The mass fraction of solute in a solution is always grea...

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  5. Statement-1 : 0.5 M aq. NaOH solution is identical to 2% (w/v) aq. NaO...

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  6. The molar concentration of HCl (aq.) is 10^(-5)M. Which of the followi...

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  7. Solution (s) containing 40 gm NaOH is/are

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  8. The incorrect statement (s) regarding 2M MhCl(2) aqueous solution is/a...

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  9. A sample of H(2)O(2) solution labelled as 56.75 volume has density of ...

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  10. 100 ml "of" 0.06 M Ca (NO(3))(2) is added to 50 mL of 0.06 M Na(2)C(2)...

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  11. 2 litre of 9.8% w/w H(2)SO(4) (d = 1.5 gm/ml) solution is mixed with 3...

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  12. If 2 litre of 9.8% w//w H(2)SO(4) (d = 1.5 g//mL) solution is mixed wi...

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  13. 30 gm H(2)SO(4) is mixed with 20 gram SO(3) to form mixture Find mol...

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  14. 31 gm H(2)SO(4) is mixed with 20 gram SO(3) to form mixture Determin...

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  15. Estimation of nitrogen: There are two methods for the estimation of ni...

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  16. Estimation of nitrogen: There are two methods for the estimation of ni...

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  17. Estimation of nitrogen: There are two methods for the estimation of ni...

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  18. Estimation of nitrogen: There are two methods for the estimation of ni...

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  19. Which of the following is correct match ?

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  20. Which of the following is correct match?

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