What is the difference between delete and delete[] in C++?

Question:What is the difference between delete and delete[] in C++?

1.delete is used to delete normal objects whereas delete[] is used to pointer objects

2.delete is a keyword whereas delete[] is an identifier

3.delete is used to delete single object whereas delete[] is used to multiple(array/pointer of) objects

4.delete is syntactically correct but delete[] is wrong and hence will give an error if used in any case

Answer:3