1. Oxidation number of S in H2SO4 is ....
a. -6 c. 0 e. +6
b. -2 d. +2
2. Oxidation number of P in HPO42- is ....
a. -5 c. 0 e. +5
b. -3 d. +3
3. The reaction below which
reduction reactions is ....
a. Mg ®
Mg2+ d. Ca ® Ca2+
b. Na ®
Na+ e. 2Na + 1/2
O2 ®
Na2O
c. Cu2+ ®
Cu+
4. The reaction below which
oxidation reactions is ....
a. Mg2+ ®
Mg d. Ca ® Ca2+
b. Na+ ®
Na e. CaCO3 ®
CaO + CO2
c. Cu2+ ®
Cu+
5. Reaction which is not redox
reaction is .....
a. NaOH + HCl ®
NaCl + H2O
b. C + O2 ®
CO2
c. N2 + 3 H2 ® 2 NH3
d. SO2 + 1/2 O2
®
SO3
e. MnO2 + 4HCl ®
MnCl2 + 2H2O
+ NaCl + Cl2
6. In which one of the following
does iodine have an oxidation number of +1?
a. NaIO4 c. IO3- e. IO-
b. I3- d. I2
7. In reaction :
MnO2 + 4HCl
® MnCl2 + 2H2O + NaCl + Cl2
Which has function as oxidant is...
a. MnO2 c. Cl2 e. NaCl
b. HCl d. MnCl2 .
8. In order to reaction of :
a Al + b H2SO4 ® c Al2(SO4)3
+ d H2
is equivalent, then ....
- a = 1, b. 2 , c
= 3, d. = 4
- a = 2, b. 3 , c
= 1, d. = 3
- a = 1, b. 2 , c
= 2, d. = 4
- a = 1, b. 3 , c
= 3, d. = 4
- a = 2, b. 2 , c
= 3, d. = 4
9. X element of 3,01 x 1023
atoms has mass of 2 grams.
The relative atomic mass ( Ar)
of X element is ....
a. 4 c. 20 e. 80
b. 10 d. 40
10. Volume of 8 grams of oxygen gas
at STP is ....
( Ar O = 16)
a. 22, 4 liters d. 3,6 liters
b. 11, 2 liters e. 1,8 liters
c. 5,6 liters
then required
oxygen of....
(Ar C = 12 , H = 1 )
a. 880 grams d. 180 grams
b. 800 grams e. 128 grams
c. 650 grams
12. Methane gas (CH4)
react with oxygen according to the reaction equation with equivalent yet :
CH4 + O2 ® CO2 + H2O
CH4 + O2 ® CO2 + H2O
If the volume of oxygen that reacts is 30 ml, then the the volume of
Carbon dioxide
produce is ....
a. 15 ml c. 60 ml e. 120
ml
b. 30 ml d. 90 ml
13. The oxidation or combustion of
etane gas expressed by following reaction
(unbalanced) : C2H6 + O2 ®
CO2 + H2O
What is the volume of carbon
dioxide gas produce in complete combustion of 3 litre of etane gas ?
a. 15 L c. 9 L e. 3 L
b. 12 L d. 6 L
14. The following are the
specialities of carbon atom, except ....
a. Has 6 valence electrons
b. Can form 4 covalent bonds
c. Can form the double bond
d. The bonds formed are strong
relative
e. Can form the carbon chains
15. Which is a group of alkane is ....
a. C2H2 c. C4H10 e.
C7H8
b. C2H4 d. C6H6
16. Molecular formula of hexane is ....
a. C4H6 c. C6H12 e.
C6H10
b. C5H10 d. C6H14
17. Molecular formula of pentene is ....
a. C4H6 d. C6H14
b. C5H10 e. C6H10
c. C6H12
18. IUPAC name for the compound with structural formula
of
CH3 CH3
½ ½
CH3 - CH2 - C ¾ CH - CH3
½
CH3 is .....
a. 1- methyl- 2,2- dimethyl butane
b. 2,2,3 -trimethyl pentane
c. 2,3,3 -trimethyl pentane
d. 2- methyl- 3,3, dimethyl butane
e. 2,2,3 dimethyl pentane
CH3 CH3
½ ½
CH3 = CH2 - C ¾ CH - CH3
½
CH3 is .....
a. 3,3,4 - triimethyl -1-butane
b. 2,2,3 - trimethyl-1- pentane
c. 2,3,3 - trimethyl -1-pentane
d. 3,3,4 - trimethyl -1- pentene
e. 2,2,3 dimethyl pentane
20. IUPAC name for the compound with structural formula
of
CH3 CH3
½ ½
CH3 - CH2 - C ¾ CH º CH3
½
CH3 is .....
a. 2,3- dimethyl
-1-butane
b. 2,2,3
-trimethyl pentane
c 3,4,4
-trimethyl -1-pentyne
d 2,3,3 -
trimethyl -1- pentyne
e. 2,3 dimethyl
pentane
Tidak ada komentar:
Posting Komentar