1.

Which of the following expressions is correct in case of a CsCl unit cell (edge length, a) ?

Answer»

rc + RA = a
`rc + ra = (a) /( sqrt(2))`
`rc + ra + ( sqrt(3A))/( 2)`
`rc + ra = (a)/(2)`

Solution :In`CsCl"" Cs ^(+) to` atbodycenter
`CL^(-)to`at everycorner
`2(rc +ra) = sqrt(3) ` a ( alongbodydiagonal)
` rc + ra = ( sqrt(3 )a)/(2)`
`H2O+ CH3COOH hArrH3O^(+)+CH3COO^(-)`


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