Fanining stexiometrik qonunlari

96. Glyukon kislota molekulasidagi uglerod alomlarining oksidlanish darajasi yig`indisini toping.

A) 0 B) -6 C) +2 D) +1

97. Glitserin molekulasidagi uglerod atomlarining oksidlanish darajalari yig`indisini toping.

A) -3 B) -5 C) -4 D) -2

98. [Pt(NH₃)₅Cl]Cl₃; H[PF₆] birikmalaridagi markaziy atomning oksidlanish darajasi va koordinatsion son qiymatini aniqlang.

A) +4, 5; +5, 5; B) +4, 6; +6, 6;

C) +4, 6; +5, 6; D) + 6, 6; +6, 5.

99. Etilenglikol molekulasidagi uglerod atomlarining oksidlanish darajalari yig`indisini toping.

A) -3 B) -4 C) 0 D) -2

100. Quyidagi birikmalardan tarkibidagi azotning oksidlanish darajasi va valentligi bir xil (absolut qiymati) bo`lmaganlarini tanlang.

1) ammoniy nitrat; 2) ammoniy gidroksid;

3) mochevina; 4) gidrazin;

5) kalsiy nitrid; 6) nitrit kislota.

A) 3, 5; B) 3, 5, 6; C) 1, 4; D) 1, 2, 4.

101. [Cr(H₂O)₅Cl]Cl₂; K₃[Fe(CN)₆] birikmalaridan markaziy atomning oksidlanish darajasi va koordinatsion son qiymatini aniqlang.
A) +3, 6; +3, 6; B) +3, 6; +2, 6;

C) +1, 5; +4, 6; D) +5, 6; +6, 6.

102. [Pt(NH₃)₄Cl₂]Cl₂; H₂[BeF₄] birikmalaridagi markaziy atomning oksidlanish darajasi va koordinatsion son qiymatini aniqlang.

A) +4, 6; +2, 4; B) +4, 6; +4, 4;

C) +2, 6; +4, 4; D) +6, 6; +4, 5.

103. [Pt(NH₃)₃Cl₃]Cl; H₂[SiF₆] birikmalaridagi markaziy atomning oksidlanish darajasi va koordinatsion son qiymatini aniqiang.

A) +3, 5; +2, 4; B) +4, 6; +4, 6;

C) +4, 6; +6, 6; D) +5, 5; +4, 6.

104. [Cr(H₂O)₄Cl₂]Cl; Fe₃[Fe(CN)₆]₂ birikmalaridagi markaziy atomning oksidlanish darajasi va koordinatsion son qiymatini aniqlang.
A) +3, 6; +2, 6; B) +1, 6; +2, 6;
C) +4, 6; +4, 6; D) +3, 6; +3, 6.

105. [Cu(H₂O)₄]SO₄•H₂O; [Ni(NH₃)₆]Cl₂ birikmalaridagi markaziy atomning oksidlanish darajasi va koordinatsion son qiymatini aniqlang.

A) +2, 4; +2, 6; B) -1, 6; +4, 6;

C) +4, 6; +6, 6; D) +5, 5; +4, 6.

106. [Pt(NH₃)₂Cl₄]; K₄[Fe(CN)₆] birikmalaridagi markaziy atomning oksidlanish darajasi va koordinatsion son qiymatini aniqlang.

A) +2, 4; +3, 5; B) +4, 6; +2, 6;

C) +6, 6; +3, 6; D) +4, 5; +4, 6.

107. [Cr(H₂O)₄Cl₂]Cl; Fe₃[Fe(CN)₆]₂ birikmalaridagi markaziy atomning oksidlanish darajasi va koordinatsion son qiymatini aniqlang.

A) +3, 6; +2, 6; B) +1, 6; +2, 6;

C) +4, 6; +4, 6; D) +3, 6; +3, 6.

108. Fe₃[Fe(CN)₆]₂ molekulasidagi markaziy atomning oksidlanish darajasi va koordinasion son qiymatini aniqlang.

A) +2, 6; B) +3, 6; C) +4; 6; D) +5; 6.

109. Qizil qon tuzidagi (K₃[Fe(CN)₆]) markaziy atomning oksidlanish darajasi va koordinatsion son qiymatini aniqlang.

A) +3; 4; B) +3; 5; C) +3; 6; D) +2; 6.

110. Sariq qon tuzidagi K₄[Fe(CN)₆] markaziy atomning oksidlanish darajasi va koordinasion son qiymatini aniqlang.

A) +3; 4; B) +3; 5; C) +3; 6; D) +2; 6.