12th Class Chemistry Sample Paper Chemistry Sample Test Paper-3

  • question_answer   (a) How does acidifies solution reacts with :                                                                                        2 (i) Iron () ions (ii) Oxalic acid. (b) Name the oxometal amine of one of the transition metals in which the metal exhibits the oxidation state equal to the group number.                                                                                                                                                    1 (c) Write the electronic configuration of ion and calculate the magnetic moment on the basis of spin only formula. (Atomic no. of  = 58)                                                                                                                                               2


                      (a) (i)                                                                                                     1                                          (ii)                                                                               1                        (b) (Dichromate chromates amine having = group no.)                                                     1 [= group no.]                                                                                                                                  (c) is paramagnetic.                                                                                                                                                                    1                                                 Magnetic moment =                                                                                 n = unpaired electron                                                                                    =                                                                                    = 1.73 B.M.                                                                                                      1


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