Iodine molecule dissociates into atoms after absorbing light of 4500 . If one quantum of radiation is absorbed by each molecule, calculate the kinetic energy of iodine atoms. Bond energy of I2 is 240 kJ mol-1.
1.
2.
3.
4.
How many electrons can fit in the subshell for which n = 3 and l = 1?
1. 2
2. 6
3. 10
4. 14
A pair of d-orbitals having electron density along the axes is:
1.
2.
3.
4.
The incorrect statement among the following is:
1. | Total orbital angular momentum of an electron in 's' orbital is equal to zero. |
2. | An orbital is designated by three quantum numbers, while an electron in an atom is designated by four quantum numbers. |
3. | The electronic configuration of N atom is |
4. | The value of m for dz2 is zero. |
The number of d -electrons in Fe2+ (atomic number Z = 26) is different from the number of:
1. s-electrons in Mg (Z = 12)
2. p-electrons in Cl (Z = 17)
3. d-electrons in Fe (Z = 26)
4. p-electrons in Ne (Z = 10)
The angular momentum of electrons in d orbital is equal to:
1.
2.
3.
4. 0
What is the maximum number of orbitals that can be identified with the following quantum numbers?
n = 3, l = 1, m = 0
1. | 1 | 2. | 2 |
3. | 3 | 4. | 4 |
Maximum number of electrons in a subshell with l = 3 and n = 4 is:
1. 14
2. 16
3. 10
4. 12
1. 16
2. 32
3. 4
4. 8