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Select the correct options from the foll...

Select the correct options from the following

A

graphene is an atomic layer of graphite

B

graphene is an atomic layer composed of `sp^2` -hybridised carbon.

C

chemical bonds in graphite are similar in strength to that of diamond.

D

all of these.

Text Solution

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The correct Answer is:
D
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CHHAYA PUBLICATION-SOME p-BLOCK ELEMENTS-ENTRANCE (QUESTION BANK)
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  2. Which of the following structure is similar to graphite -

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  3. The basic structural unit of silicate is -

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  4. The stability of +l oxidation state among Al, Ga, In and Tl increase i...

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  5. AlF3 is soluble in HF only in presence of KF. It is due to the formati...

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  6. Boric acid is an acid because its molecule

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  7. It is because of inability of n^2 electrons of the valence shell to pa...

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  8. Which one of the following elements is unable to form MF6^(3-) ion-

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  9. The correct order of atomic radii in group-13 elements is-

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  10. The wrong statement about fullerene is-

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  11. Iodine oxidises sodium borohydride to give-

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  12. Which material is used as a neutron moderator-

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  13. For silicone which is not correct -

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  14. Which of the following is not sp^2 -hybridised

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  15. The pair of amphoteric hydroxides is -

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  16. Which of the following reactions does not take place- BF3 + F^(-) to...

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  17. Select the correct options from the following

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  18. Among the following substituted silanes, the one which will.give rise ...

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  19. Hydride of boron occurs as B2H6 but B2Cl6 does not exist. This is beca...

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  20. Which of the given compounds does not react with dilute , HCl at high ...

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