Home » Chemistry Quiz
Chemistry Quiz
1 / 60
The most electropositive element is:
2 / 60
Select the correct order of electronegativity(E.N)
3 / 60
The outer electronic configuration of K, Cu, and Cr are, respectively.
4 / 60
What is the total number of p electrons in a single phosphorus atom in its ground state?
5 / 60
Select the correct order of ionic radii
6 / 60
The set representing the correct order of the first ionization potential is:
7 / 60
Which of the following has the highest electron affinity?
8 / 60
All of the following possess complete d-shell except
9 / 60
Which elements exhibit the greatest number of oxidation states in its compounds?
10 / 60
Which gaseous ion in its ground state has the greatest number of unpaired electrons?
11 / 60
Which of the following is the smallest cation?
12 / 60
13 / 60
Which property of an element is most dependent on the shielding effect?
14 / 60
Ionic radii are
15 / 60
Which of the following molecule has higher lattice energy?
16 / 60
According to modern periodic law, variations in the properties of elements are related to their
17 / 60
The correct order of atomic radii is
18 / 60
Which of the following has highest atomic radius?
19 / 60
Which among the following element has the lowest value of ionization energy?
20 / 60
Which electronic configuration of neutral atom will have the highest first ionization potential?
21 / 60
Ce(58) is a member of
22 / 60
Select the correct order of Ionization energy.
23 / 60
Of the element given, which has the lowest ionization energy?
24 / 60
25 / 60
Which of the following element is not a p-block element?
26 / 60
Which of the following has maximum ionization enthalpy?
27 / 60
Which of the following has the largest atomic size?
28 / 60
Which of the following has the largest radius?
29 / 60
The outer electronic configuration of most electronegative element is
30 / 60
Which of the following ion has the largest radius?
31 / 60
An electron is known to be in the n = 4 shell and the l = 2 subshell. How many possible combinations of quantum numbers could this electron have?
32 / 60
The law of reciprocal proportions can be used to determine.......
33 / 60
In which of the following metallurgy, no reducing agent is required from outside?
34 / 60
Chromium is obtained by reducing concentrated Chromite ore with
35 / 60
Rutile is separated from chalcopyrite by
36 / 60
Chemical leaching is useful in the concentration of
37 / 60
Haematite ore is concentrated by
38 / 60
Three most occurring elements into the earth crust are
39 / 60
A mineral is usually associated with a large amount of unwanted material called
40 / 60
The extraction of zinc from zinc blende is achieved by
41 / 60
In the alumino-thermite process, Al acts as
42 / 60
The amount of zinc (atomic weight 65) required to produce 224ml of H2 at STP on treatment with dilute H2SO4 will be
43 / 60
The formula of metallic hydroxide (eq. wt. = 150) is M(OH)2. x. H2O. If the atomic weight of the metal is 176 then, the value of x will be
44 / 60
Which of the following compound has a positive enthalpy of solution?
45 / 60
Second electron gain enthalpy is
46 / 60
The amount of energy released when an electron is added to its outermost shell of an atom is called
47 / 60
The ionization potential of Boron is less than that of Beryllium because
48 / 60
Which of the following anion has the smallest radius?
49 / 60
Zinc and Cadmium metals do not show variable oxidation states because
50 / 60
Choose the correct statement regarding the transition elements.
51 / 60
According to modern periodic law, the properties of elements repeat at regular intervals when elements are arranged in order of
52 / 60
Sodium generally does not show an oxidation state of +2, because of its
53 / 60
The nucleus of an element contains 9 protons. Its valency would be
54 / 60
In the periodic table, the metallic character of elements shows one of the following trend
55 / 60
The number of element present in fifth period is
56 / 60
In which of the following combinations of galvanic cells, the rate of corrosion of magnesium is highest in
57 / 60
Rusting of iron is an example of
58 / 60
Dry cell is an example of
59 / 60
During electro galvanizing technique, which metal is used to protect steels against corrosion?
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