InterviewSolution
Saved Bookmarks
| 1. |
Limitations of newlands law of octaves |
|
Answer» Limitations -:1) It was applicable till calcium only.2) Newland assumed that there are only 56 elements existed in nature and no new elements will be discovered in future.3) He placed two elements having different properties together in same spot i.e- Co and Ni4) Iron resembles with cobalt and nickel but was placed far away.5) When noble gases were discovered the whole arrangement was disturbed. Sorry.....third point me were ke baad \'not\' nhi hoga 1) it was applicable up to caclium only 2) co and ni were placed in same place and their properties don\'t match with flourine chlorine etc.3)it can not accommodate elements which were not discovered later4) some heavier elements were placed before lightier elements...... |
|