Periodic Table & Periodicity · Chemistry · JEE Advanced

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Numerical

JEE Advanced 2020 Paper 2 Offline
The 1st, 2nd and 3rd ionisation enthalpies, I1, I2 and I3, of four atoms with atomic numbers n, n + 1, n + 2, and n + 3, where n < 10, are tabulate...
IIT-JEE 2010 Paper 2 Offline
Among the following, the number of elements showing only one non-zero oxidation state is : O, Cl, F, N, P, Sn, Tl, Na, Ti

MCQ (Single Correct Answer)

IIT-JEE 2002 Screening
Identify the correct order of acidic strengths of CO2, CuO, CaO, H2O
IIT-JEE 2002 Screening
Identify the least stable ion amongst the following
IIT-JEE 2000 Screening
The correct order of acidic strength is
IIT-JEE 2000 Screening
The correct order of radii is
IIT-JEE 2000 Screening
Amongst H2O, H2S, H2Se and H2Te, the one with the highest boiling point is
IIT-JEE 2000 Screening
Read the following statement and explanation and answer as per the options given below ASSERTION : The first ionization energy of Be is greater than ...
IIT-JEE 1996
Which of the following has the maximum number of unpaired electrons?
IIT-JEE 1995 Screening
Which has most stable +2 oxidation state?
IIT-JEE 1992
The statement that is not correct for the periodic classification of element is
IIT-JEE 1990
Amongst the following elements (whose electronic configuration are given below), the one having the highest ionization energy is:
IIT-JEE 1989
Which one of the following is the smallest in size?
IIT-JEE 1989
Which one of the following is the strongest base?
IIT-JEE 1988
The first ionisation potential of Na, Mg, Al and Si are in the order
IIT-JEE 1987
The first ionisation potential in electron volts of nitrogen and oxygen atoms are respectively given by
IIT-JEE 1987
Atomic radii of fluorine and neon in Angstrom units are respectively given by
IIT-JEE 1987
The electronegativity of the following elements increases in the order
IIT-JEE 1982
The element with the highest first ionization potential is
IIT-JEE 1981
The correct order of second ionisation potential of carbon, nitrogen, oxygen and fluorine is

MCQ (More than One Correct Answer)

IIT-JEE 1999
Ionic radii of
IIT-JEE 1989
Sodium sulphate is soluble in water whereas barium sulphate is sparingly soluble because
IIT-JEE 1988
The statements that are true for the long form of the periodic table are:

True or False

IIT-JEE 1993
The decreasing order of electron affinity of F, Cl, Br is F > Cl > Br
IIT-JEE 1993
The basic nature of the hydroxides of group 13 (Gr. III B) decreases progressively down the group.
IIT-JEE 1987
In group IA, of alkali metals, the ionisation potential decreases on moving down the group. Therefore, lithium is a strongest reducing agent

Subjective

IIT-JEE 1991
Arrange of the following in : Increasing order of ionic size: N3-, Na+, F-, O2-, Mg2+
IIT-JEE 1991
Arrange of the following in : Increasing order of basic character MgO, SrO, K2O, NiO, Cs2O
IIT-JEE 1991
Arrange of the following in : Arrange the following ions in order of their increasing radii: Li+, Mg2+, K+, Al3+ ...
IIT-JEE 1986
Arrange the following in: Increasing size: Cl-, S2-, Ca2+, Ar
IIT-JEE 1985
Arrange the following in: Decreasing ionic size: Mg2+, O2-, Na+, F-
IIT-JEE 1985
Arrange the following in: Increasing first ionisation potential : Mg, Al, Si, Na
IIT-JEE 1985
Arrange the following in: Increasing acidic property: ZnO, Na2O2, P2O5, MgO

Fill in the Blanks

IIT-JEE 1985
On Mulliken scale, the average of ionization potential and electron affinity is known as _____.
IIT-JEE 1982
The energy released when an electron is added to a neutral gaseous atom is called ______ of the atom.
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