List of practice Questions

The relationship between equilibrium constant K and free energy change of the process is given by
Which of the following salt will have same value of Vant Hoff's factor, 'i' as that of K4[Fe(CN)6] ?
Identify the correct statement regarding a spontaneous process
Osmotic pressure is a colligative property because it
Which of the following species has the maximum bond order?
The least metallic of the S block element is
Which one of the following sets of elements has the strongest tendency to form negative ions in gaseous state?
The correct order of second ionization potential of carbon, nitrogen, oxygen and fluorine is:
A neutral atom (Atomic number > 1) consists of:
The total number of electrons that can be accomdated in the fourth principal energy level is____________
0.0025 has _________ significant figure
The values of four quantum numbers of valence electron of an element are n = 4, l = 0, m = 0 and \(s=+\frac{1}{2}\). The element is :
The molecular formula of dithionic acid is
What is the net charge if a certain semiconductor losses 4 valence electrons?
If the feedback fraction of an amplifier is 0.01, then voltage gain with negative feedback is approximately ____
Electromagnetic waves transport
The pyknometric density of sodium chloride crystal is 2.165x 103 kg m-3 while its X-ray density is 2.178 x103 kg m-3 . The fraction of the unoccupied sites in sodium chloride crysstal is
The sharp melting point of a crystalline solid is due to
The de Broglie wavelengths of electron waves in two orbits is 3:5. The ratio of kinetic energy of electrons will be
Which of the following is atypical element?
Special theory of relativity treats problem involving
The time interval between two event in a reference frame which is in motion is
According to theory of relative mass of an object is
The nucleus which is an isotope of C117 and also an isobar of Ar18 has mass number A and atomic number Z given by ______
Which source is accociated with line emission spectrum?