Tuesday, 5 January 2016

Bio-Chemistry Interview Question and Answers

11. What can you calculate by selecting Born-Haber cycle?
Born-Haber cycle is useful for calculation of lattice energy, heat of reaction and electron affinity.

12. How can energy change in the formation of NACL be determined?
With the help of Born Haber’s cycle

13. What is the relation between reaction taking place in one of the several stages and the total amount of energy liberated in the reaction?
The relation between reaction taking place in one of the several stages and the total amount of energy liberated in the reaction is same.

14. Define limiting radius.
The ratio between the radius of cation and the radius of anion is called Limiting radius.

15. What is Co-ordination number?
The number of appositively charged ions surrounded a particular ion in an ionic crystal lattice is called co- ordination number

16. What is structure of Nacl and give the co-ordination number of Nacl?
The structure of Nacl is face centered Cubic and Co- ordination number of Nacl is 6

17. What is the structure of cscl and give the co-ordination number of Cscl?
The structure of cscl is Body Centered Cubic and the Co- ordination number of CsCl is 8

18. Ionic compound does not show the property of space isomerism, Give the reason?
Ionic bond is Electrostatic. It is non directional, so Ionic compounds does not show the property of Space Isomerism

19. In double bond, how many sigma and Pi bonds are present in it?
Double bond = 1 Sigma bond and one Pi bond

Among sigma and Pi bonds which is the stronger one
Sigma bond is Stronger than pi bond

20. Define polar covalent bond
The covalent bond formed by the unequal sharing of electrons between the two atoms is called polar covalent bond.


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