.gif)
Home
News
Colleges
Courses
Admission
Lectures
Online Test
Past Papers
Date Sheets
Results
Study Abroad
Jobs
Tutors
More
Apps
NAT I Medical Chemistry
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | In the equilibrium N2 + 3H2 - 2NH3 + 22 kcal the formation of ammonia is favoured by |
Increasing the pressure Increasing the temperature Decreasing the pressure Adding ammonia |
| 2 | Which of the following value of ΔHf° represent that the product is least stable? | -94.0 kcal mol<sup>-1</sup> -231.6 <span style="font-size: 14.44444465637207px;">kcal mol</span><sup>-1</sup> +21.4 <span style="font-size: 14.44444465637207px;">kcal mol</span><sup>-1</sup> +64.8 <span style="font-size: 14.44444465637207px;">kcal mol</span><sup>-1</sup> |
| 3 | All the naturally occurring processes proceed spontaneously in a direction which lead to | Decrease of entropy Increase of enthalpy Increase of free energy Decrease of free energy |
| 4 | ΔHNeutralisation is always | Positive Negative Zero Positive or negative |
| 5 | The heats evolved in combustion of rhombic and monoclinic sulphur are - 70960 and -71030 cal mol-1 respectively what will be heat of conversion of rhombic sulphur ti monoclinic? | 70960 calories 71030 calories -70 calories +70 calories |
| 6 | Hess's law deals with | Changes in heat or reaction Rate of reaction Equilibrium constant Influence of pressure on volume of a gas |
| 7 | An exothermic reaction is one in which the reacting substances | Have more energy than the products Have less energy than the products Have the same energy as the products Are at a higher temperature than the products |
| 8 | An endothermic reaction is one in which | Heat is converted into electricity Heat is obsorbed Heat is evolved Heat is converted into mechanical work |
