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0da555a43e407d123cde0979af115adc

Submitted by admin on Tue, 03/09/2021 - 17:52
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*Câţi compuşi nesaturaţi se pot obţine din descompunerea termică a pentanului?

995f7886e3a85f68ad6fe1b5089dbaac

Submitted by admin on Tue, 03/09/2021 - 17:52
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Au puncte de fierbere mai mari decât 2,2,3-trimetil-pentanul:

fc68d63acd9804ae6919926e5b763f0b

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

e2975b2c93c8f1d0267cd88f590a2ad5

Submitted by admin on Tue, 03/09/2021 - 17:52
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Sunt adevărate următoarele afirmaţii:

aba82cd0b227ac4f1edae12f4b0b4915

Submitted by admin on Tue, 03/09/2021 - 17:52
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*Punctele de fierbere şi de topire ale alcanilor cresc:

6e5a751e825183c36d8db5bc02ab6b71

Submitted by admin on Tue, 03/09/2021 - 17:52
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Din pentan se poate obţine printr-o singura reacţie;

42cfb409cf65f8242fc59a7808db9960

Submitted by admin on Tue, 03/09/2021 - 17:52
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Care dintre următoarele perechi de substanţe se găsesc în relaţie de izomerie?

7fb144ed8e8727fd29f6f3525296c01b

Submitted by admin on Tue, 03/09/2021 - 17:52
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Legătura ϭ C-C din componenţa alcanilor se rupe în urma reacţiei de:

9c1694955dd2a28d911cdd8d3de60adc

Submitted by admin on Tue, 03/09/2021 - 17:52
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în urma reacţiei de cracare a butanului se pot obţine:

7b10afbc71540cb60074eb4540f8c4af

Submitted by admin on Tue, 03/09/2021 - 17:52
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Sunt adevărate următoarele afirmaţii:

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