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"Graphite" underset("vapours of potassiu...

`"Graphite" underset("vapours of potassium")overset("heated with")rarr C_(8) K`. Then `C_(8)K` is
I Paramagnetic
II a better conductor than graphite
III highly reactive than graphite
Then correct statement are

A

II and III only

B

I and II only

C

only III

D

All are correct

Text Solution

Verified by Experts

The correct Answer is:
D
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NARAYNA-14TH GROUP ELEMENTS-Single Answer type Questions
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  2. Incorrect statement about graphite is

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  3. "Graphite" underset("vapours of potassium")overset("heated with")rarr ...

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  4. When some of Si^(4+) is frame work silicates are replaced by Al^(3+) a...

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  5. Thermodynamically the most stable form of carbon is

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  6. Catenation i.e., linking of similar atom depends on size and electroni...

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  7. Cement, the important building material is a mixture of oxides of seve...

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  8. Assertion (A) : Silicons are water repelling in nature. Reason (R ) ...

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  9. An inorganic compound (A) made of two most occuring elements into the ...

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  10. When oxalic acid is heated cone. H(2)SO(4), two gases producd are neut...

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  11. A scarlet red compound (X) on treatment with conc. HNO(3) gives compou...

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  12. In which of the following silicates, only two corners per tetrahedron ...

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  13. The silicate ion in the mineral kinoite is a chain of three SiO(4)^(4-...

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  14. The length of the N - Si bond in (SiH(3))(3) N is shorter than what is...

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  15. H(2)C(2)O(4)overset(triangle)to"gas"(A)+"gas"(B)+"liquid"(C). Gas(A) b...

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  16. A student prepared a sample of silicon chloride by passing chlorine ov...

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  17. The dehydration of malonic acid CH(2) (COOH)(2) with P(4)O(10) and hea...

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  18. Which of the following is correct statement regarding N(CH(3))(3) and ...

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  19. A overset("Red hot coke")rarr CO overset(Cl(2))rarr C overset(H(2)O)ra...

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  20. An inorganic compound (X) on hydrolysis produces a gas which on treatm...

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