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Most of transition , metals can display ...

Most of transition , metals can display hydrogen from dilute acid. Why?

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The correct Answer is:
Becausee most of the transition metals have negative oxidation potential and lie above hydrogen in electrochemical series.
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Most of transition metals can displace hydrogen from dilute acids. Why?

(a). K_2PtCl_2 is a well known compound whereas corresponding is not known. State a reason for it. (b). Most of the transition metals do not displace hydrogen from dilute acids. Why? (c). Why have the transition elements high enthalpy of hydration? (d). Chromium is a typical hard metal while mercury is a liquid. Explain why.?

Most of the transition metals do not displace hydrogen from dilute acids, why ?

Name two metals which will displace hydrogen from dilute acids.

Which of the following metals can displace hydro-gen from dilute acids?

Name two metals which can displace hydrogen from acids.

Why is it that non-metals do not displace hydrogen from dilute acids?

Name two metals which will displace hydrogen from dilute acids, and two metals which will not displace hydrogen from dilute acids.

(a). Why does aluminium not react with water under ordinary conditions? (b). Name two metals which can displace hydrogen from dilute acids. (c). Name two metals which cannot displace hydrogen from dilute acids.

RESONANCE-D BLOCK ELEMENTS-EXERCISE-I PART-I
  1. Name the three factors which determine the stability of a particular ...

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  2. Why is the value for (Mn^(3+))/(Mn^(2+)) couple much more positive tha...

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  3. Most of transition , metals can display hydrogen from dilute acid. Why...

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  4. {:("Element",Cr,Mn,Fe),(E^(0)(M^(2+)//M),-0.90V,-1.18V,-0.4V),(E^(0)(M...

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  5. Which of the following ions would form (i) coloured and (ii) colourles...

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  6. Why Ti^(4) complex are diamagnetic?

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  7. A substance is found to hav a magnetic moments of 3.9BM.How many unpai...

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  8. Why do Mn(II) show maximum paramagnetic character amongst the bivalent...

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  9. Explain gives reason. (a) Transition metal and many of their compoun...

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  10. Explain why transition metals and their many compounds act as goodd ca...

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  11. A transition metal form alloys with other transition elements . Explai...

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  12. Describe The general characteristics of transition elements with speci...

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  13. What happen when CuSO(4) solution is treated with (excess of ammonia...

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  14. What happen when silver nitrate solution is added to Na(2)S(2)O(3) sol...

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  15. What reaction will take place if a silver coin is put in dilute HNO(3)...

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  16. Which type of reaction MnO(4)^(2-)show with acid , dilute -alkali or w...

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  17. Why KMO(4) is stored in dark bottle and what happens to it's acidic so...

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  18. Why does AgNO(3) produced a black stain on the skin?

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  19. Why is AgBr used in photography ?

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  20. Why it is not advisable to dissolve KMnO(4) in cold and concentrated H...

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