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c8390c77855d3cd0bca9e5555080de45

Submitted by admin on Tue, 03/09/2021 - 17:52
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Care compuşi, prin hidrogenarea în prezenţă de paladiu otrăvit cu săruri de plumb, determină obţinerea a 2 izomeri?

09a3ec6e166402e558488343b43b0e52

Submitted by admin on Tue, 03/09/2021 - 17:52
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Formula moleculară C5H8 corespunde la:

2f1a373f0512c71bc7b30e1becf805d7

Submitted by admin on Tue, 03/09/2021 - 17:52
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Următorii compuşi sunt izomeri:

379d7e1ccda3e8c2cf8806bbc83afcc2

Submitted by admin on Tue, 03/09/2021 - 17:52
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Prin adiţia HBr la acetilenă se pot obţine:

f9d2b5cf0b877e766428c8c3b999f680

Submitted by admin on Tue, 03/09/2021 - 17:52
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Prin adiţia unui moi de HCl la o alchină, masa acesteia creşte cu 53,67%Alchina poate fi:

df266f54ccc97a50ad4137ae9244853c

Submitted by admin on Tue, 03/09/2021 - 17:52
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Despre 1-butină se poate afirma:

db7e03c3a78000509262d8fdd38edd5d

Submitted by admin on Tue, 03/09/2021 - 17:52
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O alchină are densitatea în raport cu aerul egală cu 1,868Alchina este:

194fccf95875e4564375d3d5232d8638

Submitted by admin on Tue, 03/09/2021 - 17:52
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Dimerizarea acetilenei conduce la formarea:

c555c74db29da548fd8c13b2d2e1193b

Submitted by admin on Tue, 03/09/2021 - 17:52
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*Trimerizarea propinei conduce la formarea:

afbb2ea39e1d362e61a919c9ebd25411

Submitted by admin on Tue, 03/09/2021 - 17:52
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