Question

In $ccp$ arrangement the pattern of successive layers can be designated as

• A. $AB\,AB\,AB$
• B. $ABC\, ABC\,ABC$
• C. $AB\,ABC\,AB$
• D. $ABA \,ABA \,ABA$

Answer 1

Answer: (B)

$ABC\, ABC\,ABC$

Answer 2

In CCP arrangement, the layers are repeated at every $3$ rd layer i.e. $1$st and $4$ th layer are same. In the same way, $2$nd & $5$ th and $3$rd & $6$th are same. So, the pattern in $ABC ABC ABC$.