JEE Main & Advanced
Chemistry
The Solid State / ठोस प्रावस्था
Question Bank
Numerical Value Type Questions - Solid State
question_answer
Lithium borohydride \[\left( LiB{{H}_{4}} \right)\] , crystallises in an orthorhombic system with 4 molecules per unit cell. The unit cell dimensions are: a=6.81 A, b=4.43 A, c=717 A. If the molar mass of \[LiB{{H}_{4}}\] is \[21.76g\,mo{{l}^{-1}}\] . The density of the crystal is -