SAMPLE UET TAXILA CHEMISTRY QUESTIONS

University of Engineering And Technology (UET) Taxila is among top engineering universities of Pakistan. UET was established in 1975, for first three years it functioned in Sahiwal and in 1978 it was permanently shifted to Taxila. At present total enrollment of undergraduate and postgraduate students is above 2000. The Governor of Punjab is the Chancellor and the Education Minister of Punjab is the Pro-Chancellor of the University. UET Taxila earned respectable name through their hard work and quality of education. Despite of their high standards fee structure at UET Taxila is not very high and it’s affordable. Every year many applicants apply for admission but due to high competition very few can secure seats. Candidates who want to secure admission should work very hard for entry test.

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TOPIC:

Gases, Liquids & Solids

QUESTION:

If dipole-dipole forces of X are stronger than Y. then which of the following is not true?

OPTIONS:

  • X has higher melting point than Y
  • X has higher boiling point than Y
  • Y has lower heat of vaporization than X
  • Y has greater heat of sublimation than X

CORRECT OPTION:

Y has greater heat of sublimation than X

EXPLANATION:

Greater the strength of dipole-dipole forces, greater the values of thermodynamic parameters like melting point, boiling point, heat of vaporization and heat of sublimation. Hence D is wrong.

TOPIC:

Thermodynamics

QUESTION:

Which of the following is not a state function?

OPTIONS:

  • Volume
  • Temperature
  • Work
  • Enthalpy

CORRECT OPTION:

Work

EXPLANATION:

In thermodynamics, a state function, function of state, state quantity or state variable is a property of a system that depends only on the current state of the system, not on the way in which the system acquired that state (independent of path). A state function describes the equilibrium state of a system. Work is not a property of a system, so it is not a state function.

TOPIC:

Reaction Kinetics

QUESTION:

For third order reactions the half-life is?

OPTIONS:

  • Independent of the initial concentration of the reactants
  • Inversely proportional to the initial concentration of the reactants
  • Inversely proportional to the square of the initial concentration of the reactants
  • Inversely proportional to the cube of the initial concentration of the reactant

CORRECT OPTION:

Inversely proportional to the square of the initial concentration of the reactants

EXPLANATION:

For third order reactions, the rate of the reaction is inversely proportional to the square of the initial concentration of the reactants.

[t1/2] = 1.5/ka2

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