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Which statements (s) about oxidation num...

Which statements `(s)` about oxidation number is (are) correct?

A

The oxidation numbers is the number of electrons lost `(+ve)` or gained `(-ve)` by an atom during the formation of ionic compounds

B

For covalent compound, the oxidation number is indicated by the charge that an atom of element would have acquired if the substance would have been ionic

C

Oxidation number may have integer or fractional values

D

None of these

Text Solution

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The correct Answer is:
A, B, C
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Knowledge Check

  • Which statement(s) about conductivity of water is/are correct?

    A
    it possesses almost non-conducting nature
    B
    it is obtained by distillation of water several times.
    C
    It is contaminated with little acid
    D
    None of these

  • Which of the following statement (s) about benzoic acid is (are) correct?

    A
    Benzoic acid containing substituent in the o-position does not esterify as easily as the m- or p-isomer
    B
    benzoic acids is more acidic than picric acid
    C
    on reaction with `SOCl_(2)`, benzoic acid forms benzoyl chloride
    D
    the hydrolysis of benzotrichloride with aqueous calcium hydroxide gives benzoic acid

  • Correct statements (s) about is /are

    A
    liberate `3/2` mole of `H_(2)` on treatement with Na.
    B
    Positive test with `FeCl_(3)`
    C
    Positive test with `NaHCO_(3)`
    D
    Positive test with tollen's reagent