Advertisements
Advertisements
प्रश्न
Complete the following statement by selecting the correct alternative from the choices given:
In a face-centered cubic lattice, atom (A) occupies the comer positions and atom (B) occupies the face centre positions. If one atom of (B) is missing from one of the face-centered points, the formula of the compound is:
विकल्प
A2B5
A2B3
AB2
A2B
उत्तर
A2B5
APPEARS IN
संबंधित प्रश्न
Describe triclinic crystal lattice with the help of a diagram.
How will you distinguish between the following pairs of terms : Crystal lattice and unit cell
Which of the following lattices has the highest packing efficiency (i) simple cubic (ii) body-centred cubic and (iii) hexagonal close-packed lattice?
What is meant by the term 'coordination number'?
i)
Consider the following cell reaction at 298 K: [3]
2Ag+ + Cd → 2Ag + Cd2+
The standard reduction potentials (E°) for Ag+/Ag and Cd2-/Cd are 0.80 V and -0.40 V respectively:
(1) Write the cell representation.
(2) What will be the emf of the cell if the concentration of Cd2+ is 0.1M and that of Ag+ is 0.2 M?
(3) Will the cell work spontaneously for the condition given in (2) above?
(ii)
What is a buffer solution? How is it prepared? Explain the buffer action of a basic buffer with a suitable example.
In a solid atom M occupies ccp lattice and `(1/3)` of tetrahedral voids are occupied by atom N. find the formula of solid formed by M and N.
A solid compound XY has NaCl structure. if the radius of the cation is 100 pm, the radius of the anion will be
Crystals can be classified into basic crystal units, equal to ____________.
How many three-dimensional crystal lattices are possible?
A particular solid is very hard and has a high melting point. In solid state, it is a non-conductor and in molten state, it is a conductor of electricity. Classify the solid ______.
