Posts

Showing posts from January, 2013

CO-ORDINATION CHEMISTRY-IMP QUESTION

  CORDINATION CHEMISTRY; SOME IMPORTANT QUESTION      XII-BOARD 2013                                                                                        MM=35                                                             ...

d- BLOCK SURFACE AND BIOMOLECULES

D-BLOCK,SURFACE CHEMISTRY,AND BIO MOLECULE                                                                              MM=35,,TIME=60 MIN Instruction--- 1 Question carry 5 marks while 2-4carry 1 marks. While 5-10 of 2 marks and 11-15 of 3 marks each respectively. Q1-Complete the following reaction….. (1)     Fe 3+ + SO 2    +H 2 O                               ---------------------- (2)     3K 2 Mn O 4 +4HCl  ...