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

  • question_answer   On dissolving 3.24 gm. of sulphur in 40 gm of benzene boiling point of solution was higher than that of benzene by 0.81 K. value for benzene is 2.53 K kg . What is the molecular formula of Sulphur? (Atomic mass of sulphur = 32 g )                                                                                                                                                                     5

    Answer:

                      Given,                                 We know that,                                                                                                                                                                                        1                                                                                                                                                                                      2 No. of atoms per molecule                                                                                                                                                                                1                         = 7.9=8 Molecular formula of sulphur is.                                                                                                                                         1


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