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Assertion : Diamond glitters brilliantly. Reason : Diamond does not absorb sunlight.

Statement-1: Diamonds are forever is generally quoted for diamond as rate of conversion of diamond to graphite at room condition is nearly zero. Statement-2 :At room condition, conversion of diamond into graphite is spontaneous.

The use of diamond as a gem depends on its

Diamonds have extraordinary brilliance. Explain.

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Diamond and Graphite are

Diamond And Graphite

Diamond and graphite are ………………..,

VMC MODULES ENGLISH-p-BLOCK ELEMENTS-1-JEE Advanced Archive
  1. The tendency for catenation is much higher for C than for Si.

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  2. The basic nature of the hydroxides of group 13 decreases progressively...

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  3. Diamond is

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  4. One recently discovered allotrope of carbon (e.g. C(60)) is commonly k...

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  5. The hydrolysis of trialkylchlorosilane , R3 SiCl, yields ……………………..,

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  6. Which of the following oxides is neutral ?

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  7. Which of the following halides is least stable and has doubtful existe...

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  8. Aluminium sulphide gives a foul odour when it becomes damp. Write a ba...

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  9. Anhydrous AlCl(3) is covalent from the data given below, perdict wheth...

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  10. A liquid which is permanently supercooled is frequently called a ……….....

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  11. Statement-1 : Al(OH)(3) is amphoteric in nature. Statement-2 : It ...

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  12. Draw the structure of a cyclic silicate, (Si(3)O(9))^(6-) with proper ...

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  13. In compounds of type ECI(3), where E=BP, As or B, the angles CI-E-CI f...

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  14. Assertion : Among SiCl4 and C Cl4 only SiCl4 reacts with water. R...

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  15. Compound X on reduction with LiAlH(4) gives a hydride Y containing 21....

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  16. How is boron obtained from borax ? Give chemical equations with reacti...

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  17. Write the structure of B(2)H(6) and its reaction with HCl(excess).

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  18. The correct order of acidic strength of the following is

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  19. Me(2)SiCl(2) on hydrolysis will produce

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  20. Aluminium trifluoride is insoluble in anhydrous HF but dissolves on ad...

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