Home
Class 12
CHEMISTRY
In the Born-Haber cycle for the formatio...

In the Born-Haber cycle for the formation of solid common salt (NaCl), the largest contribution comes from :

A

The low ionisation energy of Na

B

The high electron affinity of Cl

C

The low `DeltaH_("vap")` of Na (s)

D

The lattice energy

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

Born-Haber cycle is used to determine

Why common salt (NaCl) sometimes appear yellow?

Why common salt (NaCl) sometimes appear yellow?

Why common salt (NaCl) sometimes appear yellow?

What is Born-Haber cycle? Explain with an example.

During formation of urine NaCl is returned to the medullary interstitium from the

Common salt is obtained from sea water by

Give reasons for the following : In the laboratory preparation of HCl acid from NaCl and conc . H_(2)SO_(4) , the residual salt formed at temperatures above 200^(@)C forms a hard crust and sticks to the glass.

(a) In the formation of compound between two atoms A and B, A loses two electrons and B gains one electron. (i) What is the nature of bond between A and B? (ii) Suggest the formula of the compound formed between A and B. (b) On similar lines explain the formation of MgCl_(2) molecule. (c ) Common salt conducts electricity only in the molten state. Why? (d) Why is melting point of NaCl high ?

(i) Name the most common ore of the metal aluminum from which the metal is extracted. Write the chemical formula of the ore. (ii) Name the process by which impure ore of aluminum gets purified by using concentrated solution of an alkali. (iii) Write the equation for the formation of aluminum at the cathode during the electrolysis of alumina.