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If 'B-Cl' bond has a dipole moment, expl...

If 'B-Cl' bond has a dipole moment, explain why 'BCl_3' molecule has zero alpole indment.

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The attractive force which hoids atoms together in a molecule is called a chemical bond b) Using the molecular orbital theory (MOT), explain why a Ne_2 molecule does not exist.

The attractive force which holds atoms together in a molecule is called a chemical bond.Using the molecular orbital theory (MOT), explain why a Ne_2 molecule does not exist.

V PUBLICATION-THE p - BLOCK ELEMENTS-QUESTION BANK
  1. Rationalise the statements and give chemical reactions. (i) Lead (II) ...

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  2. Suggest a reason why B-F bond length in BF3 (130 pm) and BF4^(-) (143 ...

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  3. If 'B-Cl' bond has a dipole moment, explain why 'BCl3' molecule has ze...

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

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  5. Carbon monoxide is highly poisonous. Why?

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  6. Two important oxides of carbon are carbon monoxide and carbon dioxide....

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  7. Borax, orthoboric acid and diborane are some useful compounds of boron...

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  8. What happens when Borax is heated

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  9. Explain the reaction Si is heated with methyl chloride at high tempera...

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  10. Give reasons (vii) Aluminium wire is used to make transmission cables.

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  11. Explain why is there a phenomenal decrease in ionisation enthalpy from...

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  12. How do you explain the lower atomic radius of gallium as compared to a...

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  13. Carbon has many allotropes. Write the name of any two allotropic forms...

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  14. Classify the oxides as neutral, acidic amphoteric and basic CO, B2O3...

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  15. In some of the reactions, thallium resembles aluminium, whereas in oth...

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  16. When metal 'X' is treated with sodium hydroxide, a white precipitate (...

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  17. What do you understand by (a) Inert pair effect (b) allotropy (c) cate...

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  18. A certain salt X gives the following reactions (i) Its aqueous solutio...

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  19. Write balanced equation for B2H6+H2O rarr

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  20. Give one method for industrial preparationi and one for laboratory pre...

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