
SIMULASI KIMIA 2021
Authored by Chemistry Esterlin
Chemistry
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18 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Massa CaCl2 yang dibutuhkan untuk membuat 500 mL larutan CaCl2 yang
konsentrasinya 0,200 M adalah ...
0,100 g
0,200 g
5,55 g
11,1 g
22,2 g
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Di antara kelompok senyawa berikut ini, yang merupakan senyawa ionik adalah
....
N2O4, NH3, NH4Cl
NH4Cl , NaCl, Na2O2
NF3, (NH4)2SO4, PCl3
AsH3, AlCl3, PCl3
NCl3, NaCl, CaC2
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berdasarkan data kalor pembentukan H2O(g) = –241,8 kJ/mol, kalor disosiasi
H2
(g) = +436 kJ/mol, dan kalor disosiasi O2
(g) = +498 kJ/mol, maka energi
ikatan O-H adalah ....
221,6 kJ/mol
443,2 kJ/mol
463,4 kJ/mol
587,9 kJ/mol
926,8 kJ/mol
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Di antara unsur berikut, yang dapat membentuk ion bermuatan +2 dengan
konfigurasi elektron 1s2 2s2 2p6 3s2 3p6 3d10 adalah ....
K
Si
Zn
Ca
Ge
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Urutan yang benar mengenai peningkatan ukuran radius ion Na+, Mg2+, dan Al3+ adalah ....
Na+ < Mg2+ < Al3+
Mg2+ < Al3+ < Na+
Al3+ < Na+ < Mg2+
Al3+ < Mg2+ < Na+
Na+ < Al3+ < Mg2+
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jenis orbital hibrid atom C yang diberi tanda pada senyawa berikut ini adalah ....
sp2 sp3 sp sp2
sp sp3 sp sp
sp sp3 sp2 sp
sp2 sp3 sp2 sp
sp3 sp3 sp sp2
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Pada 298 K, perubahan entalpi pembentukan standar dan perubahan entropi
standar dari reaksi berikut : C(s) + ½O2(g) + 2H2(g) ⇌ CH3OH(g) berturut-turut
adalah – 205 kJ/mol dan 240 J/mol.K. Maka nilai ln Kp untuk reaksi tersebut
adalah ....
28,9
53,9
111,6
133,5
2931,6
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