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Organic Chemist...

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  • Question 1
    4 / -1

    Statements regarding Chromatography are given below. Identify True or False statements and give your answer.
    (i) Silica - gel is used as adsorbent in TLC
    (ii) Rf = Retardation factor
    (iii) Adsorbent is a mobile phase
    (iv) Chromaplate is not a part of TLC

  • Question 2
    4 / -1

    The basic principle of Lassaigne test is

  • Question 3
    4 / -1

    The prussian blue colour obtained in Lassaigne test is due to

  • Question 4
    4 / -1

    In a Lassaigne test of Sluphur containing compound the violet colour is due to the

  • Question 5
    4 / -1

    In Kjeldahl’s method for the estimation of nitrogen, the formula used is

  • Question 6
    4 / -1

    An organic compound on analysis give the following result : C = 54.5%, O = 36.4%, H = 9.1%. The empirical formula of the compound is

  • Question 7
    4 / -1

    64 gm of organic compound contains 24 gm C, 8 gm H and the rest oxygen. What is the empirical formula of the compound ?

  • Question 8
    4 / -1

    On complete combustion, 0.246 g organic substance gave 0.198 g CO2 and 0.1014 g H2O. Find % of C and H in compound ?

  • Question 9
    4 / -1

    Kjeldahl’s method cannot be applied to

  • Question 10
    4 / -1

    Kjeldahl’s method, can be applied to

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