d and f block elements class 12 important questions

Ans The d block elements are in the middle of s and p blocks, comprising the groups 3 to 12 They are the four rows of elements 

PU–2–IMP Blue Print (As per PU Board) Topic 1 mark questions 2 marks 3 marks questions 5 marks questions Total Marks The d f Block Elements 12 What is Misch metal? What is its composition? What are its uses? Answer It is an  

Various precious metals such as silver, gold and platinum and industrially important metals like iron, copper and titanium form part of the transition metals In this 

Short answer type Question Ans 1 I Almost same size of II and III transition series elements, Poor shielding effect of f orbital electrons

4th period (21Sc to 30Zn, 10 elements) o1st Transition series 5th period (39Y to 48Cd, Crystal field stabilization is very important with the d bloc elements

Give important postulates of Bohr's model of an atom 16 Why d and f block elements are less electropositive than group 1 and 2 elements? 14 Class XII Unit – 3 (Electro chemistry) (1 mark questions) 1 What happens to the electrical  

p Block Elements 14 Unit XII Organic Chemistry Some basic Principles and Techniques 14 18 043) QUESTION PAPER DESIGN CLASS XI (2019 20) S Unit VI d and f Block Elements 12 19 Unit VII Coordination Compounds 12

QUESTION BANK FOR CHEMISTRY FOR CLASS XII 8 d and f Block Elements 52 9 Co ordination Mention their important characteristics 6 Draw the 

p Block Elements 8 8 d and f Block Elements 5 9 Coordination Compounds 3 10 Haloalkanes and Haloarenes 4 11 Alcohols, Phenols and Ethers 4 12

Transition elements are elements in which the d subshell is partially filled either in atomic state Intext Questions 231 1 What are group 12, viz, cadmium and mercury are discussed along with 3d, 4d and 5d transition elements for Some important physical properties of d block elements are listed in Table 232 Like s