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CBSE Class 12 Chemistry 2017 Sample Paper

Dec 20, 2016 10:30 IST

    CBSE sample paper for class 12 Chemistry 2017 is available for download in PDF format. With this article students can download the complete sample paper for class 12 Chemistry 2017 along with hints or marking scheme of the paper.

    About CBSE Sample Paper for Class 12 Chemistry 2017:

    Every year CBSE board releases CBSE sample papers for class 12 and class 10 few months before the CBSE board exams. With these CBSE sample papers, students of class 12 and class 10 get an idea about the latest examination pattern and level of questions to be asked in the coming CBSE board examination.

    CBSE sample paper for class 12 Chemistry board exam 2017 is released by CBSE along with sample papers of other subjects.

    CBSE Syllabus for Class 12 Chemistry 2017

    Students of CBSE Class 12 must solve this sample paper and after that student should also match their solutions with hints or marking scheme provided with this sample paper. Questions of CBSE sample paper for class 12 Chemistry are very important for CBSE class 12 Chemistry board examination 2017.

    Inside CBSE Sample Paper for Class 12 Chemistry 2017:

    In this PDF of sample for class 12 Chemistry published by CBSE, you will get

    Blue Print of the sample paper

    Sample question paper for class 12 Chemistry

    Hints or Marking Scheme of the complete sample paper for class 12 Chemistry

    CBSE Class 12 Chemistry: Last 5 Years Question Papers (Solved)

    Some sample questions from CBSE Class 12 Chemistry Sample Paper 2017:

    Question No.

    Question

    Marks

    1

    Define Kraft temperature.

    1

    2

    The electronic configuration of a transition element in +3 oxidation state is [Ar] 3d7. Find out its atomic number.

    1

    3

    Draw the structure of 4-tertbutyl-3-iodoheptane.

    1

    4

    Give the equation of reaction for the preparation of phenol from cumene.

    1

    5

    Name the type of semiconductor obtained when silicon is doped with boron.

    1

    6

    The two complexes of nickel, [Ni(CN)4]2- and [Ni(CO)4], have different structures but possess same magnetic behaviour. Explain.

    OR

    A chloride of fourth group cation in qualitative analysis gives a green coloured complex [A] in aqueous solution which when treated with ethane –1, 2 – diamine (en) gives pale - yellow solution [B] which on subsequent addition of ethane –1, 2 – diamine turns to blue/purple [C] and finally to violet [D]. Write the structures of complexes [A], [B], [C] and [D].

    2

    7

    Account for the following :

    (i) XeF2 is linear molecule without a bend.

    (ii) The electron gain enthalpy with negative sign for fluorine is less than that of chlorine, still fluorine is a stronger oxidizing agent than chlorine.

    2

    8

    Derive the relationship between relative lowering of vapour pressure and mole fraction of the volatile liquid.

    2

    9

    After 24 hrs, only 0.125 gm out of the initial quantity of 1 gm of a radioactive isotope remains behind. What is its half life period?

    2

    Download

    Blue Print of the sample paper for class 12 Chemistry

    Questions of sample paper for class 12 Chemistry

    Key or Marking Scheme of the complete sample paper for class 12 Chemistry

    Complete sample paper for class 12 Chemistry 2017

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