JEE Main Chemistry question

Which of the following statements regarding an orbital is correct?

(A)An orbital is a definite trajectory around the nucleus in which the electron can move
(B)An orbital always has a spherical trajectory
(C)An orbital is the region around the nucleus where there is a probability of finding all the electrons of an atom
(D)An orbital is characterized by 3 quantum numbers , and Correct

Answer: (D)

Solution

An orbital has no definite trajectory (that language applies to the obsolete Bohr "orbit"), ruling out (a) and (b); it is the region of 90–95% probability of

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Question ID VK-132391