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Organic Chemist...

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  • Question 1
    4 / -1

    If on adding FeCl3 solution to acidified Lassaigne’s solution, a blood red colouration is produced, it indicates the presence of

  • Question 2
    4 / -1

    Kjeldahl’s method is used in the estimation of

  • Question 3
    4 / -1

    In sodium fusion test of organic compounds, the nitrogen of the organic compound is converted into

  • Question 4
    4 / -1

    Two elements X (atomic weight = 75) and Y (atomic weight = 16) combine to give a compound having 75.8% X. The formula of the compound is

  • Question 5
    4 / -1

    Lassaigne’s test for the detection of nitrogen fails in

  • Question 6
    4 / -1

    The compound that does not give a blue colour in Lassaigne’s test is

  • Question 7
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    The Lassaigne’s extract is boiled with dil HNO3 before testing for halogens because

  • Question 8
    4 / -1

    If a compound on analysis was found to contain C = 18.5%, H=1.55%, Cl= 55.04% and O=24.81%, then its empirical formula is

  • Question 9
    4 / -1

    Molecular mass of a volatile substance may be obtained by

  • Question 10
    4 / -1

    The Belistein test for organic compounds is used to detect

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