Home » Chemistry Quiz
Chemistry Quiz
1 / 60
Which element exhibits both +1 or +3 oxidation states in its compounds?
2 / 60
Select the correct order of ionic radii
3 / 60
Which of the following is not an actinide?
4 / 60
Which of the following has the highest electron affinity?
5 / 60
Which elements exhibit the greatest number of oxidation states in its compounds?
6 / 60
Which of the following set is of coinage metal?
7 / 60
Which one of the following is amphoteric oxide?
8 / 60
Which is the largest stable atom?
9 / 60
Which of the following element belongs to the representative group of the periodic table?
10 / 60
Europium belongs to:
11 / 60
Lattice energy of an ionic compound depends upon:
12 / 60
Which shows the highest lattice energy?
13 / 60
What is the number of unpaired electrons in a Manganese atom(25) in its lowest energy state?
14 / 60
Identify the least stable ion amongst the following
15 / 60
Which of the following has lowest ionization enthalpy?
16 / 60
Which of the following has largest size
17 / 60
18 / 60
Which property of an element is most dependent on the shielding effect?
19 / 60
According to modern periodic law, variations in the properties of elements are related to their
20 / 60
An element having atomic number 56 belongs to which block?
21 / 60
Which among the following element has the lowest value of ionization energy?
22 / 60
The ionization energy will be maximum for the process
23 / 60
24 / 60
Which of the following has the largest radius?
25 / 60
Which of the following pair of atomic numbers represents s-block elements?
26 / 60
Which of the following sets of ions represents a collection of isoelectronic species?
27 / 60
Which ion is not isoelectronic with O²-?
28 / 60
Which of the following ion has the largest radius?
29 / 60
The vapour density of a gas is 22. Its molecular weight will be.........
30 / 60
The specific heat of metal is 0.16, its approximate atomic weight would be
31 / 60
The equivalent weight of KMnO4 (in acid medium) is (At.wt.of K =39, Mn=55)
32 / 60
The modern atomic weight scale is based on.........
33 / 60
Which one of the following pairs of compounds illustrates the law of multiple proportions?
34 / 60
Chromium is obtained by reducing concentrated Chromite ore with
35 / 60
Haematite ore is concentrated by
36 / 60
Three most occurring elements into the earth crust are
37 / 60
The metal which mainly occurs as oxide ore in nature is
38 / 60
The two most abundant metals in the earth crust are
39 / 60
Which one of the following types of metals is expected to occur in the native state?
40 / 60
Which one of the following materials does not contain iron?
41 / 60
Which one of the following is not an ore of Aluminium?
42 / 60
The percentage of P2O5 in diammonium phosphate (NH4)2HPO4 is
43 / 60
Which of the following compounds has a negative enthalpy solution?
44 / 60
Among the following compounds, which has the maximum lattice energy?
45 / 60
Which of the following compound has a positive enthalpy of solution?
46 / 60
The hydration energy of Mg²+ ions is lesser than that of
47 / 60
Ionization enthalpy of an atom is equal to
48 / 60
The ionization energy will be higher when the electron is removed from
49 / 60
Elements having highest ionization potential value is
50 / 60
Which of the following metals is the highest electropositive in nature?
51 / 60
According to modern periodic law, the properties of elements repeat at regular intervals when elements are arranged in order of
52 / 60
In the periodic table, the metallic character of elements shows one of the following trend
53 / 60
The number of element present in fifth period is
54 / 60
Which of the following statements is incorrect about the adsorption theory?
55 / 60
Which of the following is used as a catalytic promoter?
56 / 60
Rusting of iron is an example of
57 / 60
The type of corrosion that is very dangerous and difficult to monitor is
58 / 60
Rusting of Iron is enhanced by
59 / 60
Corrosion is accelerated by.....
60 / 60
which one of the following elements shows both positive and negative oxidation state?
Your score is
The average score is 27%
Restart quiz
