CBSE Class 12 Chemistry - Coordination Compounds VBQs Based on CBSE and NCERT guidelines. Value based questions are now being given in exams to promote morals and values in students, Students should read and understand the following VBQs to get better understanding and score good marks in exams
(1) Nowadays younger generation girls are interested in wearing ornaments made of white metal platinum
(i) Are you interested in wearing ornaments made of platinum or will you save platinum by not wearing it? Why?
(ii) Name the life saving drug prepared from platinum
(iii) Which disease can be cured by that complex?
Answer:i.I will not wear but I will save it for medicinal use .
iii.to cure cancer
(2) Ram is a poor boy. He never brings lunch to school. Sam is his friend and Sam shares his lunch with Ram.
(i) Which type of value Sam has?
(ii) Seeing this condition which type of chemical bond do you recall?
(iii) Can you give a complex name and formula with this type of bond?
Answer:i.co ordinate bond Sam is a kind and helping boy.
ii. coordinate bond
iii. K4[Fe(CN)6 Pottasiumhexacyanoferrate(II).
(3) When cobalt III chloride and ammonia are combined we get yellow, purple, green, violet coloured coordination complexes. Like wise when people make friendship with different type of people their personality changes.
(i) Which type of friends are you?
(ii) Write any one good character of your friend.
(iii) Write any two complex formed by the combination CoCl3 and NH3.
Answer i. helping in need of my friend.
ii.My friend is affectionate and truthful
iii.[Co Cl2 (NH3)4]Cl and [CoCl (NH3)5]Cl2
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