Email
Chat with tutors
Login
Ask Questions, Get Answers
Menu
X
home
ask
tuition
questions
practice
papers
mobile
tutors
pricing
X
Recent questions tagged ch3
Questions
According to Pauling,the electronegativity difference between two atoms A and B is directly proportional to (where $\varepsilon$ represents bond enthalpy)
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
periodicity
electronegativity
easy
asked
Jul 28, 2014
by
sreemathi.v
1
answer
The correct order of Pauling electronegativity values for Li,Na and K is
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
periodicity
electronegativity
easy
asked
Jul 28, 2014
by
sreemathi.v
1
answer
The Pauling electronegativity for H is
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
periodicity
electronegativity
easy
asked
Jul 28, 2014
by
sreemathi.v
1
answer
Which of the following statements regarding electropositive nature of elements in a period is correct?
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
periodicity
electronegativity
easy
asked
Jul 28, 2014
by
sreemathi.v
1
answer
Which of the following elements is most electropositive?
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
periodicity
electronegativity
easy
asked
Jul 28, 2014
by
sreemathi.v
1
answer
Which of the following elements never has an oxidation state +1?
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
periodicity
electronegativity
easy
asked
Jul 28, 2014
by
sreemathi.v
1
answer
In the periodic table,electronegativity of elements
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
periodicity
electronegativity
easy
asked
Jul 28, 2014
by
sreemathi.v
1
answer
With the increase in atomic number in a period
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
periodicity
electronegativity
easy
asked
Jul 28, 2014
by
sreemathi.v
1
answer
Which of the following elements is expected to have maximum value of Pauling electronegativity?
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
periodicity
electronegativity
easy
asked
Jul 28, 2014
by
sreemathi.v
1
answer
The Pauling electronegativity value of fluorine is
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
periodicity
electronegativity
easy
asked
Jul 28, 2014
by
sreemathi.v
1
answer
The correct order of Pauling electronegativity is
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
periodicity
electronegativity
easy
asked
Jul 28, 2014
by
sreemathi.v
1
answer
The electronegativity of the following elements increases in the order
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
periodicity
electronegativity
easy
asked
Jul 28, 2014
by
sreemathi.v
1
answer
Electron affinities of Li,Na and K follow the order
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
electron-affinity
electron-gain-enthalpy
easy
asked
Jul 28, 2014
by
sreemathi.v
1
answer
Electron affinities of Be,B and Al follow the order
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
electron-affinity
electron-gain-enthalpy
easy
asked
Jul 28, 2014
by
sreemathi.v
1
answer
Electron affinities of C,Si and Ge follow the order
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
electron-affinity
electron-gain-enthalpy
easy
asked
Jul 28, 2014
by
sreemathi.v
1
answer
Which of the following will have the lowest value of electron affinity?
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
electron-affinity
electron-gain-enthalpy
easy
asked
Jul 28, 2014
by
sreemathi.v
1
answer
Which of the following elements has the highest value of electron affinity?
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
electron-affinity
electron-gain-enthalpy
easy
asked
Jul 28, 2014
by
sreemathi.v
1
answer
Which of the following elements has zero electron affinity?
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
electron-affinity
electron-gain-enthalpy
easy
asked
Jul 28, 2014
by
sreemathi.v
1
answer
The correct order of electron affinity is
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
electron-affinity
electron-gain-enthalpy
easy
asked
Jul 28, 2014
by
sreemathi.v
1
answer
The element with atomic number 105 is known as
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
classification-of-elements
easy
asked
Jul 28, 2014
by
sreemathi.v
1
answer
The elements $_{30}Zn,_{48}Cd$ and $_{80}Hg$ belong to
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
classification-of-elements
medium
asked
Jul 25, 2014
by
sreemathi.v
1
answer
The atomic number of In is 49.It belongs to
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
classification-of-elements
medium
asked
Jul 25, 2014
by
sreemathi.v
1
answer
An element X belongs to Group 16 and $5^{th}$ period.Its atomic number is
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
classification-of-elements
medium
asked
Jul 25, 2014
by
sreemathi.v
1
answer
The atomic numbers of elements of the lanthanide series lie in the range of
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
classification-of-elements
medium
asked
Jul 25, 2014
by
sreemathi.v
1
answer
The total number of elements in Groups 8 to 10 of the periodic table is
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
classification-of-elements
medium
asked
Jul 25, 2014
by
sreemathi.v
1
answer
The atomic numbers of elements of the second inner transition elements lie in the range of
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
classification-of-elements
medium
asked
Jul 25, 2014
by
sreemathi.v
1
answer
An element X belongs to Group 14 and $2^{nd}$ period of the periodic table.Its atomic number will be
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
classification-of-elements
medium
asked
Jul 25, 2014
by
sreemathi.v
1
answer
The number of elements in the fourth period of the periodic table is
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
classification-of-elements
medium
asked
Jul 25, 2014
by
sreemathi.v
1
answer
The atomic number of element next to $_{53}I$ in the same group is
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
classification-of-elements
medium
asked
Jul 25, 2014
by
sreemathi.v
1
answer
The elements with atomic numbers 21 to 30 belong to
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
classification-of-elements
medium
asked
Jul 25, 2014
by
sreemathi.v
1
answer
The number of periods in the long form of periodic table is
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
classification-of-elements
easy
asked
Jul 25, 2014
by
sreemathi.v
1
answer
In Lother Meyer plot of atomic volume versus atomic mass,the peaks are occupied by
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
classification-of-elements
easy
asked
Jul 25, 2014
by
sreemathi.v
1
answer
In the sixth period,the orbitals being filled are
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
classification-of-elements
easy
asked
Jul 25, 2014
by
sreemathi.v
1
answer
The fifth period of modern periodic table includes
jeemain
chemistry
inorganic-chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
classification-of-elements
easy
asked
Jul 25, 2014
by
sreemathi.v
1
answer
A ball is dropped from the roof of a building . An observer notes that the ball takes $0.1$ s to cross over a window 1 m in height . After crossing the window , the ball takes another 1.00 s to come to the bottom of the building . What is height of the building and how high is the window. Take $g=10 ms^{-2}$
jeemain
physics
class-11
kinematic-equations-for-uniformly-accelerated-motion
medium
motion-under-gravity
ch3
kinematics
motion-in-a-straight-line
asked
Jul 25, 2014
by
meena.p
1
answer
A body X is dropped from a vertical height of 200 m. Exactly at the same instant another body -Y is projected vertically upwards with a velocity of $100 ms^{-1}$. When and where the two bodies X and Y meet?
jeemain
physics
class-11
kinematic-equations-for-uniformly-accelerated-motion
motion-under-gravity
ch3
kinematics
motion-in-a-straight-line
asked
Jul 25, 2014
by
meena.p
1
answer
Drops are falling at regular intervals of time from the roof of a building 16 m high. If the first drop reaches the ground at the instant the fifth drop start falling, find the heights of the various drops at the instant the first drop reaches the ground ?
jeemain
physics
class-11
ch3
kinematics
motion-in-a-staight-line
kinematic-equations-for-uniformly-accelerated-motion
medium
asked
Jul 25, 2014
by
meena.p
1
answer
A juggler is maintaining four balls in motion, making each in turn to rise to height of 20 m.Where will other three balls be at the instant, When one is just leaving his hand? $g= 10ms^{-2}$
jeemain
physics
class-11
kinematic-equations-for-uniformly-accelerated-motion
motion-under-gravity
ch3
kinematics
motion-in-a-straight-line
medium
asked
Jul 25, 2014
by
meena.p
1
answer
A juggler is maintaining four balls in motion, making each in turn to rise to height of 20 m. With what velocity does he project them ?
jeemain
physics
class-11
kinematic-equations-for-uniformly-accelerated-motion
motion-under-gravity
ch3
kinematics
motion-in-a-straight-line
asked
Jul 25, 2014
by
meena.p
1
answer
A body is projected vertically upward with a velocity $20 ms^{-1}$ . Find the distance travelled by it in 3 s. Take $g=10ms^{-2}$.
jeemain
physics
class-11
unit2
ch3
kinematics
motion-in-a-straight-line
kinematic-equations-for-uniformly-accelerated-motion
motion-under-gravity
asked
Jul 25, 2014
by
meena.p
1
answer
A particle is projected vertically up and it reaches a 15 cm high mark at certain instant. After 4 seconds from this instant the particle crosses this mark again in its downward journey. What is the initial velocity of projection of this particle? $(g= 10 ms^{-2})$
jeemain
physics
class-11
unit2
ch3
kinematics
motion-in-a-straight-line
kinematic-equations-for-uniformly-accelerated-motion
motion-under-gravity
asked
Jul 25, 2014
by
meena.p
1
answer
Calculate the electronegativity of Flourine, given the following: $E_{H-H} = 104.2 \; kcal\;mol^{-1},\; E_{F-F} = 36.6\; kcal\;mol^{-1},\;E_{H-F} = 134.6 \; kcal\;mol^{-1},\;\chi_H = 2.1$
jeemain
cbse
chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
periodicity
inorganic-chemistry
electronegativity
medium
asked
Jul 24, 2014
by
balaji.thirumalai
1
answer
Which of the following sets of bonds are correctly ordered from least to most polar?
cl51199
jeemain
cbse
chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
periodicity
inorganic-chemistry
electronegativity
medium
asked
Jul 24, 2014
by
balaji.thirumalai
1
answer
Which of the following compounds is the most polar: H$_2$O (l), H$_2$S (g), HF (l), HCl (g) ?
cl51199
jeemain
cbse
chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
periodicity
inorganic-chemistry
electronegativity
medium
asked
Jul 24, 2014
by
balaji.thirumalai
1
answer
Four elements P, Q, R and S belong to groups 13, 15, 16, and 17, but not in that order. The electronegativity values of four elements in the same period of the periodic table are listed below:
jeemain
cbse
chemistry
class11
ch3
classification-of-elements-and-periodicity-of-properties
periodicity
inorganic-chemistry
electronegativity
medium
asked
Jul 24, 2014
by
balaji.thirumalai
1
answer
How much energy in kJ is released when 7.1 g of Chlorine are completely converted to Cl$^{-}$ ions in the gaseous state?
cl51149
jeemain
chemistry
classification-of-elements-and-periodicity-of-properties
ch3
periodicity
electron-gain-enthalpy
inorganic-chemistry
medium
asked
Jul 24, 2014
by
balaji.thirumalai
1
answer
How much energy in kJ is released when 3.55g of Chlorine are completely converted to Cl$^{-}$ ions in the gaseous state?
jeemain
chemistry
classification-of-elements-and-periodicity-of-properties
ch3
periodicity
electron-gain-enthalpy
inorganic-chemistry
medium
asked
Jul 24, 2014
by
balaji.thirumalai
1
answer
The first ionization potentials of Na, Mg, Al and Si in order is best represented as?
cl51145
cl51143
jeemain
chemistry
classification-of-elements-and-periodicity-of-properties
ch3
periodicity
ionization-enthalphy
inorganic-chemistry
medium
asked
Jul 24, 2014
by
balaji.thirumalai
1
answer
The first ionization potentials of Na, Mg, Al and Si in order is best represented as?
cl51143
jeemain
chemistry
classification-of-elements-and-periodicity-of-properties
ch3
periodicity
ionization-enthalphy
inorganic-chemistry
medium
asked
Jul 24, 2014
by
balaji.thirumalai
1
answer
The first ionization potentials in electron volts of nitrogen and oxygen are respectively given by?
jeemain
chemistry
classification-of-elements-and-periodicity-of-properties
ch3
periodicity
ionization-enthalphy
inorganic-chemistry
medium
asked
Jul 24, 2014
by
balaji.thirumalai
1
answer
Page:
« prev
1
2
3
4
5
6
...
32
next »
Home
Ask
Tuition
Questions
Practice
Your payment for
is successful.
Continue
...
