JEE Main & Advanced Sample Paper JEE Main Sample Paper-33

  • question_answer
    Which one of the following is not correctly mentioned about the different allotropic forms of carbon?

    A)  Diamond-a rigid structure of three dimensional network of carbon atoms.

    B)  hybridisation.

    C)  Fullerence \[{{C}_{60}}\] - contains both single and double bond with \[C-C\] distances of 143.5 and 138.3 pm respectively.

    D)  Activated charcoal - used as a black pigment in black ink.

    Correct Answer: D

    Solution :

    Used in adsorbing poisonous gases and in water filters.


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