Legaturi chimice-combinatii complexe

Legaturi chimice-combinatii complexe

2nd Grade

9 Qs

quiz-placeholder

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Legaturi chimice-combinatii complexe

Legaturi chimice-combinatii complexe

Assessment

Quiz

Science

2nd Grade

Practice Problem

Medium

Created by

Berbece Lidia

Used 16+ times

FREE Resource

9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Care prezinta legatura ionica?

K2O

N2

H2O

CH4

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

"H3O+" ce tip de legatura prezinta?

ionica

covalenta coordinativa

covalenta polara

covalenta nepolara

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

"N2" ce tip de legatura prezinta?

simpla

dubla

tripla

coordinativa

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Cum se mai numeste legatura covalenta coordinativa?

ionica

electrovalenta

dativa

nu are alt nume

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In legatura covalenta coordinativa cine are perechi de electroni neparticipanti?

acceptorul

donorul

ambii

niciunul

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Care este denumirea reactivului Tollens?

[Ag(NH3)2]OH

clorura de diamino argint

tetrahidroxoaluminat de sodiu

hidroxodiamino argint(I)

albastru de Berlin

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In formula: [Ag(NH3)2]OH ce reprezinta NH3?

ion central

ligand

ion din sfera exterioara

numar de coordinare

8.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Din ce se poate obtine reactivul Tollens?

AgNO3

NH3

NaOH

toate cele 3 enumerate mai sus

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dati exemple de combinatii complexe?

CuSO4

NaOH

Na[Al(OH)4]

SO2