Formation of He2 molecule is not possible because:

Questions from KCET 2022

Chemistry Most Viewed Questions

1. If for a certain reaction is at , the value of (in for which the same reaction will be spontaneous at the same temperature is

NEET 2020 Thermodynamics

2. If of a non-electrolyte solute is dissolved in of n-octane to reduce its vapour pressure to , the molar mass (in of the solute is [Given that molar mass of n-octane is

NEET 2020 Solutions

3. At standard conditions, if the change in the enthalpy for the following reaction is Given that bond energy of and is and , respectively, what is the bond energy (in of ?

NEET 2020 Thermodynamics

4. An organic compound contains (by wt.) carbon and remaining percentage of hydrogen. The right option for the empirical formula of this compound is: [Atomic wt. of is is ]

NEET 2021 Some Basic Concepts of Chemistry

5. The density of 2 M aqueous solution of NaOH is 1.28 g/cm. The molality of the solution is
[Given that molecular mass of NaOH = 40 g mol]

NEET 2019 Some Basic Concepts of Chemistry

6. Given below are half cell reactions:

Will the permanganate ion, liberate from water in the presence of an acid ?

NEET 2022 The d-and f-Block Elements

7. In water saturated air the mole fraction of water vapour is . If the total pressure of the saturated air is , the partial pressure of dry air is :

NEET 2019 Solutions

8. Following limiting molar conductivities are given as

for will be-

NEET 2019 Electrochemistry

9. One atom of an element weighs . Its atomic mass is

Manipal 2009 Some Basic Concepts of Chemistry

10. In the following reaction,
A,
the number of sigma(s) bonds present in the product A is :-

NEET 2019 Hydrocarbons

Q. Formation of molecule is not possible because:

is -ve

No. of electrons in bonding and anti - bonding molecular orbital is same and is equal to
Bond order
Therefore no bond exists between - atom

Questions from KCET 2022

1. The metal pusified by (iquation is

2. Heisenberg uncertainity principle mathematically is

3. Clathatiates or Cage compounds formed by

4. The eleetron affinity. of halugens follow the order

5. Conductivity of a solution is directly proportional to

Chemistry Most Viewed Questions

1. If for a certain reaction is at , the value of (in for which the same reaction will be spontaneous at the same temperature is

2. If of a non-electrolyte solute is dissolved in of n-octane to reduce its vapour pressure to , the molar mass (in of the solute is [Given that molar mass of n-octane is

3. At standard conditions, if the change in the enthalpy for the following reaction is Given that bond energy of and is and , respectively, what is the bond energy (in of ?

4. An organic compound contains (by wt.) carbon and remaining percentage of hydrogen. The right option for the empirical formula of this compound is: [Atomic wt. of is is ]

5. The density of 2 M aqueous solution of NaOH is 1.28 g/cm. The molality of the solution is
[Given that molecular mass of NaOH = 40 g mol]

6. Given below are half cell reactions:

Will the permanganate ion, liberate from water in the presence of an acid ?

7. In water saturated air the mole fraction of water vapour is . If the total pressure of the saturated air is , the partial pressure of dry air is :

8. Following limiting molar conductivities are given as

for will be-

9. One atom of an element weighs . Its atomic mass is

10. In the following reaction,
A,
the number of sigma(s) bonds present in the product A is :-

Latest Updates

Q. Formation of molecule is not possible because:

is -ve

No. of electrons in bonding and anti - bonding molecular orbital is same and is equal to Bond order Therefore no bond exists between - atom

Questions from KCET 2022

1. The metal pusified by (iquation is

2. Heisenberg uncertainity principle mathematically is

3. Clathatiates or Cage compounds formed by

4. The eleetron affinity. of halugens follow the order

5. Conductivity of a solution is directly proportional to

Chemistry Most Viewed Questions

1. If for a certain reaction is at , the value of (in for which the same reaction will be spontaneous at the same temperature is

2. If of a non-electrolyte solute is dissolved in of n-octane to reduce its vapour pressure to , the molar mass (in of the solute is [Given that molar mass of n-octane is

3. At standard conditions, if the change in the enthalpy for the following reaction is Given that bond energy of and is and , respectively, what is the bond energy (in of ?

4. An organic compound contains (by wt.) carbon and remaining percentage of hydrogen. The right option for the empirical formula of this compound is: [Atomic wt. of is is ]

5. The density of 2 M aqueous solution of NaOH is 1.28 g/cm. The molality of the solution is [Given that molecular mass of NaOH = 40 g mol]

6. Given below are half cell reactions: Will the permanganate ion, liberate from water in the presence of an acid ?

7. In water saturated air the mole fraction of water vapour is . If the total pressure of the saturated air is , the partial pressure of dry air is :

8. Following limiting molar conductivities are given as for will be-

9. One atom of an element weighs . Its atomic mass is

10. In the following reaction, A, the number of sigma(s) bonds present in the product A is :-

Latest Updates

No. of electrons in bonding and anti - bonding molecular orbital is same and is equal to
Bond order
Therefore no bond exists between - atom

5. The density of 2 M aqueous solution of NaOH is 1.28 g/cm. The molality of the solution is
[Given that molecular mass of NaOH = 40 g mol]

6. Given below are half cell reactions:

Will the permanganate ion, liberate from water in the presence of an acid ?

8. Following limiting molar conductivities are given as

for will be-

10. In the following reaction,
A,
the number of sigma(s) bonds present in the product A is :-