Element atomlarining boshqa elementlarning muayyan sondagi atomlarini biriktirib olish xususiyati

=================================
2, 3
===============================
2, 4
++++++++++++++++++++++++++++++++
15ta proton va 12ta elektronga ega bo‘lgan zarracha 6ta elektron qabul qilib oldi. Hosil bo‘lgan zarrachaning oksidlanish darajasini aniqlang.
===============================
-1
==============================
+2
================================
# -3
===============================
+5
++++++++++++++++++++++++++++++
Yuqori oksidlanish darajasi guruh raqamidan katta bo‘lgan elementlarni aniqlang.
===========================
Ca, Hg
===========================
# Сu, Au
=========================
N, P
============================
O , F
+++++++++++++++++++++++++++
Azotning oksidlanish darajasi mos ravishda +4, +5, -3 bo‘lgan modda (ion)lar qatorini belgilang.
================================
NO2-, Ca(NO3)2, NH3
================================
# NO2, N2O5, NH3
==============================
NaNO2, NaNO3, N2O5
=================================
N2O3, HNO3, NO3-
+++++++++++++++++++++++++++++++++
3. Qaysi birikmalarda metallning oksidlanish darajasi + 2 ga teng? 1)MePO4; 2) МеНРО4; 3) (MeOH)2SO4 4) MeHSO4
===============================
2, 4
===============================
1, 3
=============================
1, 4
===========================
# 2, 3
++++++++++++++++++++++++++++++
Elektron konfiguratsiyasi 2, 8 , 18,1 bo‘lgan X kimyoviy elementning yuqori oksidlanish darajasini aniqlang.
=============================
+4
==============================
+3
===============================
+1
===============================
# +2
+++++++++++++++++++++++++++++++
C₂O₄^2-; MnO₄-;PO₄^3- ionlaridagi C, Mn, P ning oksidlanish darajalarini aniqlang.
================================
+ 6 , +7, +5
=====================================
# +3, +7, +5
================================
+4, + 8, + 8
==================================
+3, + 6, +5
+++++++++++++++++++++++++++++++++
Qaysi javobda keltirilgan elementlarning yuqori oksidi tarkibidagi oksidlanish darajasi bir xil?
=============================
Cl, Br, P В) P, S, Cl
====================================
Ca, Сu, Al
==============================
# S, Cr, Se
++++++++++++++++++++++++++++++
Uglerodning valentligi IV, oksidlanish darajasi -4 bo‘lgan birikmani aniqlang.
============================
CF4
============================
CO
============= ================
CH2Br2
============================
# SiC
++++++++++++++++++++++++++++

14. Quyidagilarning qaysilari oksidlanish jarayonini aks ettiradi?

1) СH3CHO->CH3COOH 2) СlO-→ Cl2 3) СH3CH2OH->CH3CHO
4) NO3-→NO.
=============================
1, 4
===============================
2, 3
=============================
# 1, 3