JEE Main202122 Jul 2021Morning ShiftChemistrySolid StateActual
A copper complex crystallising in a CCP lattice with a cell edge of 0 . 4518 nm has been revealed by employing X -ray diffraction studies. The density of a copper complex is found to be 7 . 62 g cm - 3 . The molar mass of copper complex is gmol - 1 (Nearest integer): [ Given : N A = 6 . 022 × 10 23 mol - 1 ]
Correct answer
0
Step-by-step solution
d gm cc = 4 × M N A ( a   cm ) 3 7 . 62 = 4 × M / 6 . 022 × 10 23 0 . 4518 × 10 - 7   cm 3 ⇒ M = 105 . 8   g / mol