Home
Class 11
CHEMISTRY
Liquid benzene (C6H6) burns in oxygen ac...

Liquid benzene `(C_6H_6)` burns in oxygen according to `2C_6H_6(1)+15O_2(g)rarr12CO_2(g)+6H_2O_(g)` How many litres of `O_2` at STP are needed for complete conbustion of39 gm of liquid benzene?

A

11.2 litres

B

74 litres

C

84 litres

D

22.4 litres

Text Solution

Verified by Experts

The correct Answer is:
C

`2C_6H_6+15O_2rarr12CO_2+6H_2O`
`2xx78gmimplies15xx22.4` litre of `O_2` at STP
`39gmimplies(15xx22.4xx39)/(2.79)=84` litre
Promotional Banner

Topper's Solved these Questions

  • PURIFICATION OF ORGANIC COMPOUNDS AND QUALITATIVE AND QUANTITATIVE ANALYSIS

    CENGAGE CHEMISTRY|Exercise Assertion Reasoning Type|5 Videos
  • PURIFICATION OF ORGANIC COMPOUNDS AND QUALITATIVE AND QUANTITATIVE ANALYSIS

    CENGAGE CHEMISTRY|Exercise Multiple Correct Answers Type|10 Videos
  • PERIODIC CLASSIFICATION OF ELEMENTS AND GENERAL INORGANIC CHEMISTRY

    CENGAGE CHEMISTRY|Exercise Exercises (Archives )Subjective|4 Videos
  • REDOX REACTIONS

    CENGAGE CHEMISTRY|Exercise Archives (Integers)|1 Videos

Similar Questions

Explore conceptually related problems

Liquid benzene C_(6)H_(6)) burns in oxygen according to the equation, 2C_(6)H_(6)(l)+15O_(2)(g)to12CO_(2)(g)+6H_(2)O(g) How many litres of O_(2) at STP are needed to complete the combustion of 39 g of liquid benzene ? (Mol . Weight if O_(2)=32,C_(6)H_(6)=78)

How many litres of oxygen at STP are required for complete combustion of 39 gms of liquid Benzene? (Atomic weights C = 12, H = 1, O = 16)

How many litre of oxygen at STP is required to burn 60 g C_(2)H_(6) ?

Consider the reaction at 300K C_(6)H_(6)(l)+(15)/(2)O_(2)(g)rarr 6CO_(2)(g)+3H_(2)O(l),DeltaH=-3271 kJ What is DeltaU for the combustion of 1.5 mole of benzene at 27^(@)C ?

For the reaction , 2C_(2)H_(6)(g)+7O_(2)(g)rarr4CO_(2)(g)+6H_(2)O(l) , the rate of disappearnce of C_(2)H_(6)(g) :

Benzene burns according to the following equations at 300K (R=8.314 J "mole"^(-1)K^(-1)) 2C_(6)H_(6)(l) + 15O_(2)(g) rarr 12 CO_(2)(g) + 6H_(2)O(l) " " DeltaH^(@) =- 6542 KJ What is the DeltaE^(@) for the combustion of 1.5 mol of benzene

CENGAGE CHEMISTRY-PURIFICATION OF ORGANIC COMPOUNDS AND QUALITATIVE AND QUANTITATIVE ANALYSIS-Single Correct Answer Type
  1. A compound (60 gm) on analysis gave C=24gm H=4gm and O=31gm, its empir...

    Text Solution

    |

  2. A compound contains C=40%,O=53.5%, and H=6.5% the empirical formula fo...

    Text Solution

    |

  3. A compound contains C=90% and H=10% Empirical formula of the compound ...

    Text Solution

    |

  4. The empirical formula of a compound is CH2O and its vapour density is ...

    Text Solution

    |

  5. The molecular mass of a compound having empirical formula C2H5O is 90....

    Text Solution

    |

  6. A compound contains 38.8%C,16%H, and 45.2%N The formula of the compoun...

    Text Solution

    |

  7. A compound containing 80% C and 20% H is likely to be:

    Text Solution

    |

  8. An organic compound on analysis gave C=42.8%, H=720%, andN=50^ volume ...

    Text Solution

    |

  9. 0.14 gm of an acid required 12.5 ml of 0.1 N NaOH for complete neutura...

    Text Solution

    |

  10. The empirical formula of anorganic compound is CH2.The mass of 1 mol o...

    Text Solution

    |

  11. Indulin contains 3.4% suplhur.The minimum molecular mass of insulin is...

    Text Solution

    |

  12. 0.24 gm of a volatile liquid upon vaporisation given 45 ml of vapours ...

    Text Solution

    |

  13. Liquid benzene (C6H6) burns in oxygen according to 2C6H6(1)+15O2(g)rar...

    Text Solution

    |

  14. A compound which does not give a positive test in Lassaigne's test for...

    Text Solution

    |

  15. The catalyst used in Kjeldahl's method for the entimation of nitrogen ...

    Text Solution

    |

  16. The concentration of C=85.45% and H=14.55% is not obeyed by the formul...

    Text Solution

    |

  17. The Prussian blue colour obtained during the test of nitrogen by Lassa...

    Text Solution

    |

  18. Which of the following sodium compound is/are formed when as organic c...

    Text Solution

    |

  19. In which of the following compounds, nitrogen cannot be tested by Lass...

    Text Solution

    |

  20. In dumas method for the estimation of nitrogen in an organic compound,...

    Text Solution

    |