Which of the following alkyl chlorides on Wurtz reaction gives 2, 2, 5, 5- tetramethylhexane ?

Calculate the number of atoms present in $1\ \text{g}$ metal that forms simple unit cell structure if product of density and volume of unit cell is $66.5 \times 10^{-24}\ \text{g}$

Calculate the void volume in fcc unit cell if total volume of a unit cell is $6.4 \times 10^{-23}\ \text{cm}^3$ ?

What is the total number of Bravais lattices in orthorhombic crystal system?