[ { "Number": "1", "Soal": "

Suatu senyawa M<\/em>r<\/em><\/sub>=80<\/em> mengandung 40% massa unsur X (A<\/em>r<\/em><\/sub>=32)<\/em> dan sisanya unsur Y (<\/em>A<\/em>r<\/em><\/sub>=16)<\/em>. Rumus molekul senyawa tersebut adalah\u2026<\/span><\/span>
<\/p>", "A": "

XY<\/span><\/span>
<\/p>", "B": "

XY<\/em>2<\/em><\/sub><\/span><\/span><\/p>", "C": "

XY<\/em>3<\/em><\/sub><\/span><\/span>
<\/p>", "D": "

X2<\/sub>Y<\/span><\/span>
<\/p>", "E": "

X2<\/sub>Y3<\/sub><\/span><\/span>
<\/p>", "Kunci": "C", "tipe": "pilihan" }, { "Number": "2", "Soal": "

Tabel berikut menyajikan data entalpi pembakaran untuk lima jenis bahan bakar.
<\/span><\/span><\/p>

<\/span><\/span><\/p>

Bahan Bakar<\/span><\/span><\/p><\/td>

\u2206H<\/em><\/span><\/span><\/p>

(KJ\/mol)<\/span><\/span><\/p><\/td>

Mr<\/sub><\/span><\/span><\/p><\/td><\/tr>

Hidrogen<\/span><\/span><\/p><\/td>

-287<\/span><\/span><\/p><\/td>

2<\/span><\/span><\/p><\/td><\/tr>

Metana <\/span><\/span><\/p><\/td>

-803<\/span><\/span><\/p><\/td>

16<\/span><\/span><\/p><\/td><\/tr>

Propana<\/span><\/span><\/p><\/td>

-2201<\/span><\/span><\/p><\/td>

44<\/span><\/span><\/p><\/td><\/tr>

Isobutana <\/span><\/span><\/p><\/td>

-2868<\/span><\/span><\/p><\/td>

58<\/span><\/span><\/p><\/td><\/tr>

Neopentana <\/span><\/span><\/p><\/td>

-3515<\/span><\/span><\/p><\/td>

72<\/span><\/span><\/p><\/td><\/tr><\/tbody><\/table>


<\/span><\/span><\/p>

Pembakaran 1 g bahan bakar yang menghasilkan energi paling besar adalah\u2026<\/span><\/span>
<\/p>", "A": "

Hidrogen<\/span><\/span>
<\/p>", "B": "

Metana<\/span><\/span>
<\/p>", "C": "

Propana<\/span><\/span>
<\/p>", "D": "

Isobutana<\/span><\/span>
<\/p>", "E": "

Neopentana<\/span><\/span>
<\/p>", "Kunci": "A", "tipe": "pilihan" }, { "Number": "3", "Soal": "

Jika Kh<\/sub>Cl<\/em>O<\/em>-<\/em> pada suhu tertentu adalah 4,0 \u00d7 <\/em>10<\/em>-7<\/em><\/sup> pH larutan KC lO<\/em><\/span><\/span>  0,1 M adalah\u2026<\/span><\/span> <\/span><\/span>
<\/p>", "A": "

4 \u2013 log 2<\/span><\/span>
<\/p>", "B": "

5 \u2013 log 4<\/span><\/span>
<\/p>", "C": "

10 + log 2<\/span><\/span>
<\/p>", "D": "

10 \u2013 log 2<\/span><\/span>
<\/p>", "E": "

10 + log 4<\/span><\/span>
<\/p>", "Kunci": "C", "tipe": "pilihan" }, { "Number": "4", "Soal": "

Campuran 0,5 mol H2<\/sub> dan 0,2 mol I2<\/sub> direaksikan dalam wadah tertutup bervolume 5 L pada <\/em>448\u2103 hingga terjadi kesetimbangan <\/span><\/span><\/p>

H2<\/sub>(g) + I2(g) \u21c6 2HI(g)<\/span><\/span><\/p>

Jika pada keadaan setimbang terdapat 0,2 mol HI, maka harga Kc<\/sub> pada 448\u2103 untuk reaksi tersebut adalah\u2026<\/span><\/span><\/p>", "A": "

0,2<\/p>", "B": "

0,5<\/p>", "C": "

5,0<\/p>", "D": "

1,0<\/p>", "E": "

2,0<\/p>", "Kunci": "D", "tipe": "pilihan" }, { "Number": "5", "Soal": "

Silikon karbida (Mr<\/sub> = 40) dapat dibuat pada suhu tinggi menurut reaksi: <\/span><\/span><\/p>

SiO2<\/sub>(s)+3C(s) \u2192 SiC(s)+2CO(g) <\/span><\/span><\/p>

Jika digunakan 2,4 g SiO2 <\/sub><\/em>(Mr<\/sub> = 60) dan 2,4 g C (Ar<\/sub> = 12), maka massa silikon karbida yang terbentuk adalah\u2026<\/span><\/span><\/p>", "A": "

1,6 g<\/span><\/p>", "B": "

2,7 g<\/span><\/p>", "C": "

3,2 g<\/span><\/p>", "D": "

2,0 g<\/span><\/p>", "E": "

5,4 g<\/span><\/p>", "Kunci": "A", "tipe": "pilihan" }, { "Number": "6", "Soal": "

Dalam wadah tertutup, penguraian sulfuril klorida (SO2<\/sub>Cl2<\/sub>) menurut reaksi: <\/span><\/span><\/p>

 <\/em><\/span><\/span><\/p>

Mempunyai laju r = K[SO2<\/sub>Cl2<\/sub>].
<\/span><\/span><\/p>

Pernyataan yang benar untuk reaksi tersebut adalah\u2026<\/span><\/span><\/p>", "A": "

Laju reaksi (r) akan semakin cepat selama rekasi berlangsung \u200b\u200b\u200b\u200b\u200b\u200b\u200b<\/span><\/span>
<\/p>", "B": "

Laju rekasi (r) menjadi lebih cepat jika volume wadah diperbesar \u200b\u200b\u200b\u200b\u200b\u200b\u200b<\/span><\/span>
<\/p>", "C": "

Konsentrasi SO2<\/sub> akan bertambah dengan laju sebesar r<\/span><\/span>
<\/p>", "D": "

Konsentrasi SO2<\/sub>Cl2<\/sub> akan bertambah dengan laju sebesar r<\/span><\/span>
<\/p>", "E": "

Satuan konstanta laju reaksi (k) adalah M-1<\/sup>S-1<\/sup><\/span><\/span>
<\/p>", "Kunci": "C", "tipe": "pilihan" }, { "Number": "7", "Soal": "

Dalam air, ion <\/sup><\/em> termasuk spesi yang bersifat amfoter. <\/span><\/span><\/p>

SEBAB <\/strong><\/span><\/span><\/p>

 dapat menerima proton dari air atau mendonorkan proton ke air.<\/span><\/span><\/p>", "A": "

Jika pernyataan benar, alasan benar, keduanya menunjukkan hubungan sebab akibat<\/span><\/span><\/span>
<\/p>", "B": "

Jika pernyataan benar, alasan benar, tetapi keduanya tidak menunjukkan hubungan sebab akibat<\/span><\/span><\/span>
<\/p>", "C": "

Jika pernyataan benar, alasan salah<\/span><\/span><\/span>
<\/p>", "D": "

Jika pernyataan salah, alasan benar<\/span><\/span><\/span>
<\/p>", "E": "

Jika pernyataan dan alasan keduanya salah<\/span><\/span><\/span>
<\/p>", "Kunci": "A", "tipe": "pilihan" }, { "Number": "8", "Soal": "

Atom B (Z = 5) dapat berikatan dengan H (Z = 1) membentuk BH3<\/sub>. Pernyataan yang benar untuk BH3<\/sub> adalah\u2026
<\/span><\/span><\/p>

<\/span><\/span><\/p>

  1. Bersifat nonpolar <\/span><\/span><\/li>
  2. Dapat membentuk ikatan hydrogen antarmolekul <\/span><\/span><\/li>
  3. Merupakan asam Lewis <\/span><\/span><\/li>
  4. Molekulnya terbentuk tetrahedral \u200b\u200b\u200b\u200b\u200b\u200b\u200b<\/span><\/span><\/li><\/ol>", "A": "

    Jika jawaban (1), (2), dan (3) benar<\/span><\/span><\/span>
    <\/p>", "B": "

    Jika jawaban (1) dan (3) benar<\/span><\/span><\/span>
    <\/p>", "C": "

    Jika jawaban (2) dan (4) benar<\/span><\/span><\/span>
    <\/p>", "D": "

    Jika jawaban (4) saja yang benar<\/span><\/span><\/span>
    <\/p>", "E": "

    Jika semua jawaban benar<\/span><\/span><\/span>
    <\/p>", "Kunci": "B", "tipe": "pilihan" } ]