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How many of the following statements are...

How many of the following statements are correct regarding allotropes of carbon:
(a) Graphite is not a good conductor of electicity in perpendicular direction of layers at ordinary temperatures.
(b) Coke is the impure form of carbon.
( c) Anthracite is the purest form of carbon.
(d) Buckminister fullerence contains `12` five membered rings and `20` six-membered rings.
(e) Diamond is a good conductor of heat.
(f) Graphite is diamagnetic in nature.
(g) Graphite is thermodynamically more stable than diamond

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Knowledge Check

  • Graphite is a good conductor of electricity because it contains

    A
    bonded electrons
    B
    mobile electrons
    C
    strong C-C bonds
    D
    strong C=C bonds.
    • RESONANCE ENGLISH-P-BLOCK ELEMENT (BORON AND CARBON FAMILY)-Exercise-2 Part-II : SINGLE AND DOUBLE VALUE INTEGER TYPE
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    2. For boron family (B,Al,Ga,In and Tl) x : Number of elements which a...

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    3. Consider a prototypical fullerene, C(60) Let, a = Number of 5-memb...

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    4. Central atom may exhibit sp^(3) hybridisation in how many of the follo...

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    5. Mg+BtoMg(x)B(y)overset("HCl")toDiborane Report your answer as (x+y)...

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    7. How many of the following order of bond energies are correct. (i) C...

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    8. Which of the following Salts are amphoteric in anture. PbO,PbO(2), ...

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    9. the summation of atomicity of compounds in x,y and z is?

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    14. How many compounds form acidic solution when dissolved in water H(3)...

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