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In diborane, the two H-B-H angles are ne...

In diborane, the two `H-B-H` angles are nearly

A

`60^(@), 120^(@)`

B

`95^(@), 120^(@)`

C

`95^(@), 150^(@)`

D

`120^(@), 180^(@)`

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In diborane, the two boron atoms are linked together by two ............ bonds.

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The H-N-H bond angle in NH_3 is greater than the H-As-H bond angle in AsH_3 .

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VMC MODULES ENGLISH-p-BLOCK ELEMENTS-1-LEVEL 1
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  2. The correct order of Lewis acidic strength of boron trihalides :

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  3. In diborane, the two H-B-H angles are nearly

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  4. In group 13, Tl (thalium) shows +1 oxidation state while other members...

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  5. Correct order of bond angles in the given compounds is/are

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  6. The correct order of increasing atomic radii, is :

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  7. Which type of silicate is shown in the given figure ?

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  8. Buckminister-fullerene is a variety of :

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  9. The basic structural unit in silicates is

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  10. On strong heating lead nitrate gives:

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

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  12. Identify B in the following H(4)SiO(4) underset(-H(2)O) overset(1000^(...

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  13. In silica (SiO(2)) each silicon is bonded to :

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  14. The incorrect statements among the following is/are : I. Fullerene ...

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  15. The stability of dihalides of Si, Ge, Sn and Pb increases steadily in ...

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  16. In SiF6^(2-) and SiCl6^(2-) , which one is known and why ?

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  17. Graphite is used as a lubricant in machinery.

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  18. Water glass is :

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  19. Monosilane on coming in contact with air burns with a luminous flame p...

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  20. Which one of the following statements about the zeolite is false?

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