Formation of NaCl Lattice

Q. HCP crystal in made of A ions and B ions are arranged in 2/3 of octahedral voids. The simplest formula of unit cell 1)A4B6 2)A6B4 3) A2B3 4) A3B

Q. In a sodium chloride lattice, which among the following positions of the cube are occupied by chloride ion if sodium ion is in the center?

1. 1
2. 2
3. 3
4. 4

Q. Statement 1 - $\text{NaCl}$ does not exist as discrete molecules in solid state.
Statement 2 - In $\text{NaCl}$ lattice, each ${\text{Na}}^{+}$ is attracted by six ${\text{Cl}}^{-}$ ions and vice versa.

1. Both the statements are correct
2. Both the statements are incorrect
3. Only statement 2 is correct
4. Only statement 1 is correct

Q.

Name the following:

The compound having molecular formula ${\mathrm{FePO}}_4$

Q.

Write the formula of phosphate salt of magnesium.

Q. In NaCl, $N{a}^{+}$ is the cation and $C{l}^{-}$ is the anion.

1. False
2. True

Q. ntIf A occupies half of tetrahedral voids B occupies tetrahedral as well as octahedral voids in equal amount Oxide ion forms CCP find formula A ABO B AB2O4 C A2BO4 D AB3O4n

Q. The co-ordination number of a sodium ion in a sodium chloride lattice is:

1. 8
2. 4
3. 5
4. 6

Q. Coordination number is the number of oppositely charged ions held by an ion as its nearest neighbours.

1. False
2. True