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In orthorhombic , the value of a, b and ...

In orthorhombic , the value of a, b and c are respectively `4.2Å, 8.6 Å and 8.3Å` .Given the molecular mass of the solur is `155 gm mol^(-1)` and that of density is `3.3 gm//cc` the number of formula unit per unit cell is

A

2

B

3

C

4

D

6

Text Solution

Verified by Experts

The correct Answer is:
C
`Z=(VxxN_Axxd)/(m)`
`=(4.2xx8.6xx8.3xx10^(-24)xx6.023xx10^23xx3.3)/(155)`
3.84 `~~` 4
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The value of a, b and c values in orthorhombic crystal are 4.2 Å 8.6 Å and 8.3 Å. The molecular mass of the solute is 155 g mol^(-1) and density is 3.3 g/cc. The number of formula units per unit cell is:

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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-SOLID STATE-EXERCISE 2
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