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NEET Chemistry MCQ
Periodic Table Mcq Neet Chemistry
Quiz 2
Solution
Q.1.
Which is chemically most active non-metal? [ BHU 1982]
58%
a) F2
14%
b) He
11%
c) N2
17%
d) O2
Q.2.
In the long form of periodic table all the non-metals are placed in ... [ EAMCET 1988]
19%
a) s-block
74%
b) p-block
0%
c) d-block
6%
d) f-block
Q.3.
Which has the largest first ionization energy? [ Pb. PMT 1986]
60%
a) Li
20%
b) Na
10%
c) K
10%
d) Rb
Q.4.
Which of the following pair has both members from the same group of periodic table? [ CPMT 1985]
57%
a) Mg, Ba
7%
b) Mg, Na
20%
c) Mg, Cu
17%
d) Mg, Cl
Q.5.
In both I st and VII group of the periodic table following property increases with increase in atomic number .. [ NCERT 1981]
25%
a) Oxidising property
54%
b) Atomic size
7%
c) Highest valency state
14%
d) Reactivity with water
Q.6.
Which of the following atoms possesses the smallest volume?
10%
a) S
4%
b) Si
8%
c) P
78%
d) He
Q.7.
The ionization energy of an atom is the energy ... [ NCERT 1980]
18%
a) Needed to add an electron to an atom
25%
b) Needed to transfer an electron from one orbit to another
11%
c) Needed to convert the atom into radioactive isotope
46%
d) Just enough to cause an electron to escape from the atom
Q.8.
Ce-58 is a member of ... [ MLNR 1985]
22%
a) s-block elements
19%
b) p-block elements
11%
c) d-block elements
48%
d) f-block elements
Q.9.
In fluorine group of periodic table, on going down .. [ CPMT 1981]
48%
a) Ionic radius increases
28%
b) Electronegativity increases
20%
c) Ionization potential increases
4%
d) Reactivity increases
Q.10.
O22- is isoelectronic with .. [ Pb. PMT 1986]
26%
a) H2
17%
b) N2
35%
c) F2
22%
d) S
Q.11.
Characteristic of transition element is ? .. [ DPMT 1984]
73%
a) Incomplete d-orbitals
14%
b) Incomplete f-orbitals
5%
c) Incomplete s-orbitals
9%
d) Incomplete p-orbitals
Q.12.
The first ionization potential in electron volts of nitrogen and oxygen atoms are respectively given by.. [ IIT 1987]
69%
a) 14.6, 13.6
15%
b) 13.6, 14.6
8%
c) 13.6, 13.6
8%
d) 14.6, 14.6
Q.13.
The size of A, A+, A- follows the order.. [ AIIMS 1983]
24%
a) A+ > A- > A
10%
b) A- > A+ > A
57%
c) A- > A > A+
10%
d) A > A- > A+
Q.14.
In the isoelectronic species the ionic radii (in Angstron) of N3-, O2- and F- are respectively given by .. [ Pb CET 1989]
18%
a) 1.36 , 1.4, 1.71
23%
b) 1.36, 1.71, 1.40
55%
c) 1.71, 1.40, 1.36
5%
d) 1.71, 1.36, 1.4
Q.15.
Which of the following is isoelectronic with carbon atom? [ MP PMT 1994]
15%
a) Na+
15%
b) Al3+
40%
c) O2-
30%
d) N+
Q.16.
Which one of the following is smallest in size? [ IIT 1989]
10%
a) N3-
0%
b) O2-
20%
c) F-
70%
d) Na+
Q.17.
Which one of the following indicates the correct order of variation in atomic size .. [ EAMCET 1989]
33%
a) Be > C > F > Ne
27%
b) Be < C < F < Ne
27%
c) Be > C > F < Ne
13%
d) F < Ne < Be < C
Q.18.
In the periodic table, with the increase in atomic number, the metallic character of an element.. [ CBSE PMT 1989]
50%
a) Decrease in a period and increase ina group
22%
b) Increase in a period and decrease in a group
22%
c) Increases both in period and group
6%
d) Decreases in a period and the group
Q.19.
The electron configuration of an element is 1s22s22p63s23p63d104s24pIts properties will be similar to which of the following elements? [ MP PMT 1995]
22%
a) Boron
6%
b) Oxygen
22%
c) Nitrogen
50%
d) Chlorine
Q.20.
Arrange the following in creasing order of their atomic radii: Na, K, Mg, Rb? [ AFMC 1995]
31%
a) Mg < K < Na < Rb
56%
b) Mg < Na < K < Rb
12%
c) Mg < Na < Rb < K
0%
d) Na < K < Rb < Mg
Q.21.
A transition element X has the configuration [Ar]d4 in its +3 oxidation state. Its atomic number is .. [ CBSE PMT 1996]
17%
a) 25
43%
b) 26
27%
c) 22
13%
d) 19
Q.22.
In a period, elements are arranged strictly in sequence of .. [ CPMT 1989]
36%
a) Decreasing charges in the nucleus
50%
b) Increasing charges in the nucleus
14%
c) Constant charges in the nucleus
0%
d) Equal charges in the nucleus
Q.23.
An atom of an element has electron configuration 2, 8,Which of the following statement is correct? [ MP PMT 1994]
12%
a) The element's valency is 7
38%
b) The element exists as diatomic molecule
44%
c) The element is a non-metallic in nature
6%
d) The element forms a basic oxide
Q.24.
Which of the following compounds has the ratio of radius of cation and anion smallest? [ Raj PMT 1994]
31%
a) NaCl
19%
b) NaF
25%
c) MgF2
25%
d) MgCl2
Q.25.
Which of the following is largest? [ CBSE PMT 1996]
12%
a) Cl-
53%
b) S2-
24%
c) Na+
12%
d) F-
Q.26.
The valence shell electronic configuration of alkali metals is .. [ MP CEE 1996]
6%
a) ns2>/np1
69%
b) ns1
12%
c) (n-1)p6ns2
12%
d) (n-1)d2ns2
Q.27.
The electron affinity of halogens follows the order ... [ Pb. CET 1996]
33%
a) F > Cl > Br > I
33%
b) F < Cl > Br > I
17%
c) F < Cl < Br < I
17%
d) F < Cl < Br > I
Q.28.
The electronegativity follows the order .. [ Pb. CET 1996]
37%
a) F > O > Cl > Br
53%
b) F > Cl > Br > O
5%
c) O > F > Cl > Br
5%
d) Cl > F > O > Br
Q.29.
Which of the following has the largest size? [ MP PMT 1995]
50%
a) Al
12%
b) Al+
0%
c) Al2+
38%
d) Al3+
Q.30.
On moving down the group of regular elements both atomic and ionic radii increases with increasing .. [ Bihar CEE 1995]
69%
a) Atomic number
19%
b) Atomic weight
12%
c) Atomic mass
0%
d) None of these
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