Home
Class 12
CHEMISTRY
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
Promotional Banner

Topper's Solved these Questions

  • CONCENTRATION TERMS

    ALLEN|Exercise Exercise Jee-Mains|15 Videos

  • CONCENTRATION TERMS

    ALLEN|Exercise Exercise Jee-Advance|3 Videos

  • CONCENTRATION TERMS

    ALLEN|Exercise Exercise O-I|33 Videos

  • ACIDIC STRENGTH & BASIC STRENGTH

    ALLEN|Exercise Exercise V|16 Videos

Similar Questions

Explore conceptually related problems

At a particular temperature vapour pressure of ethanol is more than that of water. Give reason.

Molality of pure water if its density is 0.936gm//ml :

Molality of pure liquid ethanol (C_(2)H_(5)OH) if its density d=1.2g//ml is :

Knowledge Check

  • Statement -1 : Density of ice is less than water. Statement-2 : Ice has open cage structure.

    A
    If both the statements are True and statement-2 is the correct explanation of statement-1
    B
    If both the statements are True and statement-2 is not the correct explanation of statement-1
    C
    If statement-1 is true and statement-2 is false
    D
    If statement-1 is false and statement-2 is true

  • Statement-1:Alkanes float on the surface of water Statement-2: Density of alkanes is in the range of 0.6-0.9 g/ml , which is lower than water.

    A
    Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1
    B
    Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1
    C
    Statement-1 is True, Statement-2 is False.
    D
    Statement-1 is False, Statement-2 is True.

  • Molality of pure water if its density is 0.936gm//ml :

    A
    50
    B
    `55.56`
    C
    `57.56`
    D
    `56.56`
    • ALLEN- CONCENTRATION TERMS-Exercise O-II
    1. Statement-1 : Molality of pure ethanol is lesser than pure water Sta...

      Text Solution

      |

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

      Text Solution

      |

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

      Text Solution

      |

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

      Text Solution

      |

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

      Text Solution

      |

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

      Text Solution

      |

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

      Text Solution

      |

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

      Text Solution

      |

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

      Text Solution

      |

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

      Text Solution

      |

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

      Text Solution

      |

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

      Text Solution

      |

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

      Text Solution

      |

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

      Text Solution

      |

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

      Text Solution

      |

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

      Text Solution

      |

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

      Text Solution

      |

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

      Text Solution

      |

    19. Which of the following is correct match ?

      Text Solution

      |

    20. Which of the following is correct match?

      Text Solution

      |