Question

which of the following crystal cant be obtained
(a) CuSO4
(b) NaCL
(c) MgSO4
(d) carbon​

Answer 1

Answer:

$\large\bold\red{(d)\:Carbon}$

Explanation:

• We know that, the crystals can be formed of only ionic compounds.

• Ionic compounds are formed by the ions of positive and negatives.

• Simply, ionic compounds are formed by metallic ions amd non metallic ions in a fixed proportion.

• Here, in the given question, All compounds are formed by ions, except carbon.

• Carbon is not even a compound.

• It's an element which forms covalent bond.

Hence,

(d) Carbon is the required answer.

Answer 2

Answer:

carbon carbon carbon