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BÀI TẬP TRẮC NGHIỆM HÓA ĐẠI CƯƠNG VÀ VÔ CƠ CẨM NANG DÙNG LUYỆN THI THPTQG CHẤT LƯỢNG CAO (COLOR BOOK)

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N (B.09 – 148):<br />

KOH<br />

Cr(OH) 3 x (Cl 2 + KOH) H<br />

Y 2 SO 4<br />

(FeSO<br />

Z<br />

4 + H2SO 4 )<br />

T<br />

(A) K 2 CrO 4 ; KCrO 2 ; K 2 Cr 2 O 7 ; Cr 2 (SO 4 ) 3 .<br />

(B) KCrO 2 ; K 2 Cr 2 O 7 ; K 2 CrO 4 ; Cr 2 (SO 4 ) 3 .<br />

(C) KCrO 2 ; K 2 Cr 2 O 7 ; K 2 CrO 4 ; CrSO 4 .<br />

(D) KCrO 2 ; K 2 CrO 4 ; K 2 Cr 2 O 7 ; Cr 2 (SO 4 ) 3 .<br />

5<br />

366

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