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Explain why NH(3) is basic while BiH(3) ...

Explain why `NH_(3)` is basic while `BiH_(3)` is only feebly basic ?

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Explain why is NH_(3) basic while PH_(3) is feebly basic in nature.

PH_3 is less basic than NH_3 .

Why Ce(OH)_(3) is more basic than Lu(OH)_(3) ?

Explain why bond angle of NH_(3) is greater than NF_(3) while bond angle of PH _(3) is less than that of PF _(3),

Assertion : NH_(3) is less basic than PH_(3) Reason: Nitrogen is more electronegative than phosphorus.

AICI_(3) is covalent while AIF_(3) is ionic This can be justified on the basic of .

Assertion (A) : PH_(3) is more basic than NH_(3) Reason (R) : EN of N is more than that of P

RESONANCE-P BLOCK ELEMENTS-Exercise 1 part 1 subjective ques
  1. Why is BiH3 the strongest reducing agent amongst all the hydrides of g...

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  2. Anhydrous CaCl(2),P(4)O(10) or concentrated H(2)SO(4) can not be used ...

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  3. Explain why NH(3) is basic while BiH(3) is only feebly basic ?

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  4. Red phosphorus is denser, less volatile and chemically less reactive t...

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  5. NO(2) can not be dried by an alkali, why ?

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  6. Concentrated HNO(3) turns yellow is sun light. Explain ?

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  7. Nitric acid acts as an oxidising agent while nitrous acid can act both...

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  8. What products are formed when H(3)PO(2) is heated at 415 K and at 435 ...

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  9. What happens when phosphoric acid is heated ?

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  10. Why does H(3)PO(3) act as a reducing agent but H(3)PO(4) does not ?

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  11. What happens when white phosphorus is boiled with a strong solution of...

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  12. What happens when : (i) PCl(5), is heated (ii) H(3)PO(3) is heated

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  13. Why does PCl(3) fumes in air ?

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  14. Write the chemical reactions of P(4)O(6) with cold and hot water.

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  15. Mg3 N2 on reaction with water gives off NH3, but MgCl2 on reaction wit...

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  16. Write balanced equation for the following : Phosphorus is treated wi...

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  17. Manufacture of phophoric acid from phosphorus.

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  18. Write the allotropic forms of oxygen.

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  19. Explain why the liquid oxygen sticks to the magnet pole but liquid nit...

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  20. Which allotropic form of sulphur is thermodynamically stable at room t...

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