{"segment":[{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":10,"ques":"Nit\u01a1 li\u00ean k\u1ebft v\u1edbi Oxi t\u1ea1o th\u00e0nh h\u1ee3p ch\u1ea5t c\u00f3 c\u00f4ng th\u1ee9c ${{N}_{2}}{{O}_{5}}$. H\u00f3a tr\u1ecb c\u1ee7a Nit\u01a1 trong h\u1ee3p ch\u1ea5t l\u00e0 ","select":["A. $II$ ","B. $III$ ","C. $IV$ ","D. $V$ "],"hint":"","explain":"<span class='basic_left'>G\u1ecdi h\u00f3a tr\u1ecb c\u1ee7a N l\u00e0 a<br\/>Theo quy t\u1eafc h\u00f3a tr\u1ecb: $2\\times a=5\\times II$ <br\/>R\u00fat ra $a = V$<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2000},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":10,"ques":"Theo quy \u01b0\u1edbc khi x\u00e1c \u0111\u1ecbnh h\u00f3a tr\u1ecb, l\u1ea5y h\u00f3a tr\u1ecb c\u1ee7a nguy\u00ean t\u1ed1 n\u00e0o l\u00e0m \u0111\u01a1n v\u1ecb, nguy\u00ean t\u1ed1 n\u00e0o l\u00e0m hai \u0111\u01a1n v\u1ecb l\u1ea7n l\u01b0\u1ee3t l\u00e0 ","select":["A. H\u00f3a tr\u1ecb c\u1ee7a H l\u00e0m \u0111\u01a1n v\u1ecb v\u00e0 h\u00f3a tr\u1ecb c\u1ee7a O l\u00e0 hai \u0111\u01a1n v\u1ecb ","B. H\u00f3a tr\u1ecb c\u1ee7a H l\u00e0 hai \u0111\u01a1n v\u1ecb v\u00e0 h\u00f3a tr\u1ecb c\u1ee7a O l\u00e0m \u0111\u01a1n v\u1ecb ","C. H\u00f3a tr\u1ecb c\u1ee7a N l\u00e0m \u0111\u01a1n v\u1ecb v\u00e0 h\u00f3a tr\u1ecb c\u1ee7a O l\u00e0 hai \u0111\u01a1n v\u1ecb ","D. H\u00f3a tr\u1ecb c\u1ee7a C l\u00e0m \u0111\u01a1n v\u1ecb v\u00e0 h\u00f3a tr\u1ecb c\u1ee7a O l\u00e0 ba \u0111\u01a1n v\u1ecb "],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":1}]}],"id_ques":2001},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":"Cho c\u00e1c nguy\u00ean t\u1ed1 sau: Clo h\u00f3a tr\u1ecb I, Oxi h\u00f3a tr\u1ecb II, Nit\u01a1 h\u00f3a tr\u1ecb III. Khi li\u00ean k\u1ebft v\u1edbi Hidro cho c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc \u0111\u00fang l\u1ea7n l\u01b0\u1ee3t l\u00e0 ","select":["A. ${{H}_{2}}Cl, HO, N{{H}_{3}}$ ","B. $HCl, {{H}_{2}}O, N{{H}_{3}}$ ","C. ${{H}_{2}}Cl, {{H}_{2}}O, N{{H}_{3}}$ ","D. $HCl, {{H}_{2}}O, NH$ "],"hint":"","explain":"<span class='basic_left'>Ng\u01b0\u1eddi ta quy g\u00e1n cho $H$ h\u00f3a tr\u1ecb $I$. M\u1ed9t nguy\u00ean t\u1eed nguy\u00ean t\u1ed1 kh\u00e1c li\u00ean k\u1ebft \u0111\u01b0\u1ee3c v\u1edbi bao nhi\u00eau nguy\u00ean t\u1eed hidro th\u00ec n\u00f3i nguy\u00ean t\u1ed1 \u0111\u00f3 c\u00f3 h\u00f3a tr\u1ecb b\u1eb1ng b\u1ea5y nhi\u00eau, t\u1ee9c l\u1ea5y h\u00f3a tr\u1ecb c\u1ee7a H l\u00e0m \u0111\u01a1n v\u1ecb <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2002},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":10,"ques":"Kh\u1ed1i l\u01b0\u1ee3ng t\u00ednh b\u1eb1ng \u0111vC c\u1ee7a $Fe(III)$ li\u00ean k\u1ebft v\u1edbi nh\u00f3m $S{{O}_{4}}$ h\u00f3a tr\u1ecb $II$ l\u00e0 ","select":["A. $500$ \u0111vC ","B. $600$ \u0111vC ","C. $400$ \u0111vC ","D. $300$ \u0111vC "],"hint":"","explain":"<span class='basic_left'>G\u1ecdi c\u00f4ng th\u1ee9c chung c\u1ee7a h\u1ee3p ch\u1ea5t l\u00e0 $F{{e}_{x}}{{(S{{O}_{4}})}_{y}}$<br\/>Theo quy t\u1eafc h\u00f3a tr\u1ecb th\u00ec : $x\\times III=y\\times II$<br\/>Chuy\u1ec3n th\u00e0nh t\u1ef7 l\u1ec7 $\\dfrac{x}{y}=\\dfrac{II}{III}=\\dfrac{2}{3}$<br\/>V\u1eady c\u00f4ng th\u1ee9c l\u00e0 $F{{e}_{2}}{{(S{{O}_{4}})}_{3}}$<br\/>${{M}_{F{{e}_{2}}{{(S{{O}_{4}})}_{3}}}}=56.2+3.(32+16.4)=400$ \u0111vC<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2003},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":"Cho hai ch\u1ea5t c\u00f3 c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc l\u00e0 ${{A}_{2}}S$ v\u00e0 ${{B}_{2}}{{O}_{3}}$. CTHH t\u1ea1o b\u1edfi h\u1ee3p ch\u1ea5t A v\u00e0 B l\u00e0","select":["A. ${{A}_{2}}{{B}_{3}}$ ","B. ${{A}_{3}}B$ ","C. $A{{B}_{3}}$ ","D. $AB$ "],"hint":"","explain":"<span class='basic_left'>+ X\u00e9t v\u1edbi c\u00f4ng th\u1ee9c ${{A}_{2}}S$<br\/>Theo quy t\u1eafc h\u00f3a tr\u1ecb: $2\\times a=1\\times b$ <br\/>$\\Rightarrow \\dfrac{a}{b}=\\dfrac{1}{2}=\\dfrac{I}{II}$ <br\/>V\u1eady h\u00f3a tr\u1ecb c\u1ee7a $A$ l\u00e0 $I$<br\/>X\u00e9t t\u01b0\u01a1ng t\u1ef1 v\u1edbi ${{B}_{2}}{{O}_{3}}$ ta c\u00f3 h\u00f3a tr\u1ecb c\u1ee7a $B$ l\u00e0 $III$<br\/>G\u1ecdi c\u00f4ng th\u1ee9c d\u1ea1ng chung c\u1ee7a h\u1ee3p ch\u1ea5t l\u00e0 ${{A}_{x}}{{B}_{y}}$<br\/>Theo quy t\u1eafc h\u00f3a tr\u1ecb th\u00ec : $x\\times I=y\\times III$<br\/>Chuy\u1ec3n th\u00e0nh t\u1ef7 l\u1ec7 $\\dfrac{x}{y}=\\dfrac{III}{I}=\\dfrac{3}{1}$ <br\/>C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc c\u1ee7a h\u1ee3p ch\u1ea5t l\u00e0 ${{A}_{3}}B$ <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2004},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":10,"ques":"M\u1ed9t h\u1ee3p ch\u1ea5t c\u1ee7a s\u1eaft v\u1edbi oxi c\u00f3 c\u00f4ng th\u1ee9c ${{Fe}_{x}}{{O}_{4}}$. Gi\u00e1 tr\u1ecb c\u1ee7a x l\u00e0 ( bi\u1ebft ph\u00e2n t\u1eed kh\u1ed1i b\u1eb1ng 232 )","select":["A. $5$ ","B. $1$ ","C. $3$ ","D. $2$ "],"hint":"","explain":"<span class='basic_left'>Ta c\u00f3: $PTK = 56x + 16.4 = 232$<br\/>Suy ra $x = 3$<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2005},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":10,"ques":"Theo h\u00f3a tr\u1ecb c\u1ee7a s\u1eaft trong h\u1ee3p ch\u1ea5t c\u00f3 c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc l\u00e0 $FeO$, h\u00e3y ch\u1ecdn c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc \u0111\u00fang trong s\u1ed1 c\u00e1c c\u00f4ng th\u1ee9c h\u1ee3p ch\u1ea5t c\u00f3 ph\u00e2n t\u1eed g\u1ed3m $Fe$ li\u00ean k\u1ebft v\u1edbi $Cl$ h\u00f3a tr\u1ecb $I$ sau: ","select":["A. $FeC{{l}_{2}}$ ","B. $F{{e}_{2}}Cl$ ","C. $FeCl$ ","D. $FeC{{l}_{3}}$ "],"hint":"","explain":"<span class='basic_left'>Ta c\u00f3: $\\overset{a?}{\\mathop{Fe}}\\,\\overset{II}{\\mathop{O}}\\,\\Rightarrow a=\\dfrac{1.II}{1}=II$<br\/>G\u1ecdi c\u00f4ng th\u1ee9c d\u1ea1ng chung c\u1ee7a h\u1ee3p ch\u1ea5t l\u00e0 $F{{e}_{x}}C{{l}_{y}}$<br\/>Theo quy t\u1eafc h\u00f3a tr\u1ecb th\u00ec : $x\\times II=y\\times I$<br\/>Chuy\u1ec3n th\u00e0nh t\u1ef7 l\u1ec7 $\\dfrac{x}{y}=\\dfrac{I}{II}=\\dfrac{1}{2}$ <br\/>C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc c\u1ee7a h\u1ee3p ch\u1ea5t l\u00e0 $FeC{{l}_{2}}$<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":2006},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":"M\u1ed9t h\u1ee3p ch\u1ea5t c\u00f3 t\u1ea1o b\u1edfi natri h\u00f3a tr\u1ecb $I$ v\u00e0 nh\u00f3m $S{{O}_{4}}$ h\u00f3a tr\u1ecb $II$. C\u00f3 c\u00f4ng th\u1ee9c d\u1ea1ng chung l\u00e0 $N{{a}_{x}}{{(S{{O}_{4}})}_{y}}$. M\u1ed1i li\u00ean h\u1ec7 gi\u1eefa x v\u00e0 y l\u00e0 ","select":["A. $x = y$ ","B. $x = 2y$ ","C. $2x = y$ ","D. $3x = 2y$ "],"hint":"","explain":"<span class='basic_left'>Theo quy t\u1eafc h\u00f3a tr\u1ecb th\u00ec : $x\\times I=y\\times II$<br\/>Chuy\u1ec3n th\u00e0nh t\u1ef7 l\u1ec7 $\\dfrac{x}{y}=\\dfrac{II}{I}=\\dfrac{2}{1}$ <br\/>V\u1eady $x = 2y$<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2007},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":10,"ques":"Cho c\u00e1c h\u1ee3p ch\u1ea5t c\u1ee7a s\u1eaft nh\u01b0 sau: $FeO, F{{e}_{2}}{{O}_{3}}, Fe{{(OH)}_{2}}, Fe{{(OH)}_{3}}$ ( nh\u00f3m $OH$ h\u00f3a tr\u1ecb $I$ ). H\u1ee3p ch\u1ea5t n\u00e0o n\u00e0o, s\u1eaft mang h\u00f3a tr\u1ecb $II$ ","select":["A. $F{{e}_{2}}{{O}_{3}}, Fe{{(OH)}_{2}}$ ","B. $Fe{{(OH)}_{2}}, Fe{{(OH)}_{3}}$ ","C. $FeO, F{{e}_{2}}{{O}_{3}}$ ","D. $FeO, Fe{{(OH)}_{2}}$ "],"hint":"","explain":"<span class='basic_left'>Ta c\u00f3: $\\overset{a?}{\\mathop{Fe}}\\,\\overset{II}{\\mathop{O}}\\,\\Rightarrow a=\\dfrac{1.II}{1}=II$<br\/>T\u01b0\u01a1ng t\u1ef1 v\u1edbi c\u00e1c h\u1ee3p ch\u1ea5t c\u1ee7a $Fe$ c\u00f2n l\u1ea1i<br\/>Ta r\u00fat ra \u0111\u01b0\u1ee3c c\u00f3 hai h\u1ee3p ch\u1ea5t trong \u0111\u00f3 s\u1eaft mang h\u00f3a tr\u1ecb $II$ l\u00e0 $FeO, Fe{{(OH)}_{2}}$<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2008},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":"Cho c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc c\u1ee7a b\u1ea5t k\u00ec h\u1ee3p ch\u1ea5t hai nguy\u00ean t\u1ed1 d\u1ea1ng $\\overset{a}{\\mathop{{{A}_{x}}}}\\,\\overset{b}{\\mathop{{{B}_{y}}}}\\,$. Bi\u1ec3u th\u1ee9c th\u1ec3 hi\u1ec7n \u0111\u00fang quy t\u1eafc h\u00f3a tr\u1ecb l\u00e0 ","select":["A. $x\\times b=y\\times a$ ","B. $x\\times a=y\\times b$ ","C. $x+a=y+b$ ","D. $x-a=y-b$ "],"hint":"","explain":"<span class='basic_left'>Trong c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc, t\u00edch c\u1ee7a ch\u1ec9 s\u1ed1 v\u00e0 h\u00f3a tr\u1ecb c\u1ee7a nguy\u00ean t\u1ed1 n\u00e0y b\u1eb1ng t\u00edch c\u1ee7a ch\u1ec9 s\u1ed1 v\u00e0 h\u00f3a tr\u1ecb c\u1ee7a nguy\u00ean t\u1ed1 kia<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2009}],"lesson":{"save":0,"level":2}}