Chemistry-
General
Easy
Question
The number of unpaired electrons in Fe3+ (Z=26)are:
- 5
- 6
- 3
- 4
The correct answer is: 5
Related Questions to study
chemistry-
An electron has kinetic energy2.8×10–23J. de-Broglie wavelength will be nearly: (m =9.1×10–31kg)
An electron has kinetic energy2.8×10–23J. de-Broglie wavelength will be nearly: (m =9.1×10–31kg)
chemistry-General
chemistry-
The equation Δx.Δp≥
The equation Δx.Δp≥
chemistry-General
chemistry-
The energy required to dislodge electron from excited isolated H-atom,(E1=–13.6eV)is:
The energy required to dislodge electron from excited isolated H-atom,(E1=–13.6eV)is:
chemistry-General
chemistry-
The energy of a photon is calculated by:
The energy of a photon is calculated by:
chemistry-General
chemistry-
Highest energy will be absorbed to eject out the electron in the configuration:
Highest energy will be absorbed to eject out the electron in the configuration:
chemistry-General
chemistry-
The mass of a neutron is of the order of-
The mass of a neutron is of the order of-
chemistry-General
chemistry-
The minimum real charge on any partical which can exist is:
The minimum real charge on any partical which can exist is:
chemistry-General
chemistry-
Outer electronic configuration of the element of atomic number 24 is-
Outer electronic configuration of the element of atomic number 24 is-
chemistry-General
chemistry-
Maximum magnetic moment will be shown by:
Maximum magnetic moment will be shown by:
chemistry-General
physics-
On heating one end of a rod the temperature of the whole rod will be uniform when
On heating one end of a rod the temperature of the whole rod will be uniform when
physics-General
physics-
The value of amplification factor (b ) in common emitter configuration is
The value of amplification factor (b ) in common emitter configuration is
physics-General
physics-
The value of current gain (a ) in common base configuration is
The value of current gain (a ) in common base configuration is
physics-General
physics-
In the figure shown the potential drop across the series resistor is
In the figure shown the potential drop across the series resistor is
physics-General
physics-
The maximum and minimum values of zener diode current are
The maximum and minimum values of zener diode current are
physics-General
physics-
The resistance of the diode in forward bias condition is 20W and infinity in the reverse biased condition. The current in the circuit is
The resistance of the diode in forward bias condition is 20W and infinity in the reverse biased condition. The current in the circuit is
physics-General