Maths-
General
Easy
Question
Which one of the following order of stability is correct?
The correct answer is:
Related Questions to study
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Which sequence of reactions shows correct chemical relation between sodium and its compounds?
Which sequence of reactions shows correct chemical relation between sodium and its compounds?
chemistry-General
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Soda ash is chemically:
Soda ash is chemically:
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The van der Waals' constant' a' for different gases have been given as :
The gas that can be most easily liquefied is :
The van der Waals' constant' a' for different gases have been given as :
The gas that can be most easily liquefied is :
chemistry-General
chemistry-
For three different gases values of van der Waals' constant 'a' and 'b' are given What is the correct order of liquefaction of gases?
For three different gases values of van der Waals' constant 'a' and 'b' are given What is the correct order of liquefaction of gases?
chemistry-General
chemistry-
What type of crystal defect is indicated in the diagram below?
What type of crystal defect is indicated in the diagram below?
chemistry-General
chemistry-
The unit cell in a body centered cubic lattice is given in the figure Each sphere has a radius, r and the cube has a side, a What fraction of the total cube volume is empty
The unit cell in a body centered cubic lattice is given in the figure Each sphere has a radius, r and the cube has a side, a What fraction of the total cube volume is empty
chemistry-General
maths-
If 
and 
are 
such that 
where ‘O’ is the origin, then the d.c.’s of the internal bisector of the angle 
are
If and are such that where ‘O’ is the origin, then the d.c.’s of the internal bisector of the angle are
maths-General
Maths-
The area bounded by the curves is 
and 
(where a 
is
The area bounded by the curves is and (where a is
Maths-General
chemistry-
The electronic configurations of the element A,B, and C are :given below.
The bond between B and C will be:
The electronic configurations of the element A,B, and C are :given below.
The bond between B and C will be:
chemistry-General
chemistry-
The electronic configurations of the element A,B, and C are :given below.
The molecular formula of the compound formed from Band C will be:
The electronic configurations of the element A,B, and C are :given below.
The molecular formula of the compound formed from Band C will be:
chemistry-General
chemistry-
The electronic configurations of the element A,B, and C are :given below.
Stable form of C may be represented by the formula:
The electronic configurations of the element A,B, and C are :given below.
Stable form of C may be represented by the formula:
chemistry-General
chemistry-
The electronic configurations of the element A,B, and C are :given below.
Stable form of A may be represented by the formula:
The electronic configurations of the element A,B, and C are :given below.
Stable form of A may be represented by the formula:
chemistry-General
chemistry-
Lewis concept of covalency of an element involvesoctetrule.Lateronitwasfoundthatmanyelementsin their compounds, e.g., 
etc. have incompleteoctetwhereas
et c.haveexpandedoctet. This classical concept also failed inpredictingthegeometryof molecules. Modem concept of covalence was pro posed in terms of valence bond theory. Hybridizationconcept along with valence bond theory successfully explained the geometryofvariousmoleculesbutfailedin many molecules Thebondangle
and
are,respectively:
Lewis concept of covalency of an element involvesoctetrule.Lateronitwasfoundthatmanyelementsin their compounds, e.g., etc. have incompleteoctetwhereas et c.haveexpandedoctet. This classical concept also failed inpredictingthegeometryof molecules. Modem concept of covalence was pro posed in terms of valence bond theory. Hybridizationconcept along with valence bond theory successfully explained the geometryofvariousmoleculesbutfailedin many molecules Thebondangleandare,respectively:
chemistry-General
chemistry-
NO is a colorless gasandan important intermediate inthemanufactureof nitricacidby catalytic oxidationofammonia. Whichofthefollowingisaneutraloxide?</span
NO is a colorless gasandan important intermediate inthemanufactureof nitricacidby catalytic oxidationofammonia. Whichofthefollowingisaneutraloxide?</span
chemistry-General
chemistry-
NO has11 valence electrons.It is impossible for all10 be paired. and hence this is an odd electron molecule,and the gas is paramagnetic. Which of the following species has the smallest N-O bond length?
NO has11 valence electrons.It is impossible for all10 be paired. and hence this is an odd electron molecule,and the gas is paramagnetic. Which of the following species has the smallest N-O bond length?
chemistry-General
