Ask a Question


Question Asked by a Student from EXXAMM.com Team


Q 2762280135.    

Assertion : A solution of `[Ni (H_2O)_6 ]^(2+)` is green but a solution of `[Ni(CN)_4]^(2-)` is colourless.

Reason : Energy difference between d levels (i.e. `Delta`) for `H_2 O` complex (paramagnetic) is in the visible region and that for the cyano complex (diamagnetic) is in the UV region.

A Both A and R individually true and R is the correct explanation of A
B Both A and R are individually true but R is not the correct explanation of A
C A is true but R is false
D A is false but R is true

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

Find instant solution to any question from our database of 1.5 Lakh + Questions

 


Access free resources including

  • 100% free video lectures with detailed notes and examples
  • Previous Year Papers
  • Mock Tests
  • Practices question categorized in topics and 4 levels with detailed solutions
  • Syllabus & Pattern Analysis

Engineering


Medical


Banking


DEFENCE


SSC


RRB


CBSE-NCERT


OLYMPIAD