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MgN(2) when reacted with water gives NH(...

`MgN_(2)` when reacted with water gives `NH_(3)` and HCl. However, `MgCl_(2)` does not give HCl when treated with water at room temperature. Assigne reason.

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`Mg_(3)N_(2)+6H_(2)O to 3Mg(OH)_(2)+2NH_(3)`
`MgCl_(2)` is a salt of strong base `Mg(OH)_(2)` and strong acid (HCl). Therefore, it is not hydrolysed when dissolved in water.
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DINESH PUBLICATION-THE P-BLOCK ELEMENTS -Concept Based Questions
  1. Give reasons for the following : (a) CN^(-) ion is known but CP^(-) ...

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  2. Explain why both N and Bi do not form pentahalides while phosphorus do...

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  3. MgN(2) when reacted with water gives NH(3) and HCl. However, MgCl(2) d...

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  4. A water soluble compound of a posisonous element M when heated with Zn...

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  5. (SiH(3)) is a weaker base than (CH(3))(3)N. Explain.

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  6. When conc. H(2)SO(4) was added to an unknown salt present in a test wh...

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  7. A colourless gas 'A' with a pungent odour is highly soluble in water a...

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  8. Zinc reacts with dilute H(2)SO(4) to give H(2). It also reacts with co...

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  9. H(2)S acts only as reducing agent while SO(2) can act both as a reduci...

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  10. Sulphur dioxide acts as bleaching agent in the presence of moisture. D...

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  11. Sulphur is a solid while oxygen is a gas at room temperature. Why ?

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  12. SF(6) is a well known compound while SH(6) does not exist. Explain.

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  13. Oxygen does not show oxidation states of +4 " and " +6 like sulphur. E...

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  14. H(2)O is liquid while H(2)S is a gas at room temperature. Explain.

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  15. Sulphur dioxide is a more powerful reducing agent in the alkaline medi...

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  16. Bond angle in H(2)S is lower than in H(2)O. Justify.

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  17. Hydrogen sulphide cannot be dried by passing through conc. H(2)SO(4) ....

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  18. H(2)S is a stronger acid than H(2)O. Explain

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  19. Sulphur vapours exhibit some paramagnetic behaviour. Explain.

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  20. SF(6) is not easily hydrolysed whereas SF(4) can be. Assign reason.

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