Which of the following statement is TRUE?
Chemistry Mart Sem 1 Set D

Quiz
•
Chemistry
•
University
•
Hard
MOHAMMAD KM-Pensyarah
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
l has values form 1 to ∞
m describes the orientation in space of an orbital
n has values from 0 to l - 1
m has 2n+1 values
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Consider the following reaction:
2NO2(g) + 7H2(g) ⇌ 2NH3(g) + 4H2O(g) +993kJ
that takes place in an container. When the volume of the container is increased at the same temperature,
equilibrium constant, Kp remains the same.
the pressure will increase.
the rate of forward reaction will increase.
the reaction becomes exothermic.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The quantum number ( n, l, m, s ) for the valance electron of a potassium atom (has 19 electrons) in the ground state can be
( 3, 0, 0, -1/2 )
( 3, 1, 1, -1/2 )
( 4, 0, 0, -1/2 )
( 4, 2, 1, -1/2 )
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following pairs of compound contains only acidic oxides?
Na2O and Cl2O7
MgO and SO3
Al2O3 and SiO2
SO3 and Cl2O7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the shape of the molecule with the structure?
Tetrahedral
Trigonal Planar
Octahedral
Trigonal pyramidal
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The boiling point of water is defined as
The temperature at which its vapour pressure is equal to the external pressure
The pressure at which the temperature reaches 100oc
The temperature and pressure when solid, liquid, and vapour can exist in equilibrium
The state where liquid changes to vapour
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determine the acid-base pair that will provide titration curve as shown in Figure below.
HCl - NH3
HCl - NaOH
CH3COOH - NH3
CH3COOH - NaOH
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