The bond order in NO is 2.5 while that in NO⁺ is 3. Which of the following statements is true for these two species?

The states of hybridization of boron and oxygen atoms in boric acid (H₃BO₃) are respectively

The graph of the function y = f(x) is symmetrical about the line x = 2, then

The domain of the function
$$f\left( x \right) = {{{{\sin }^{ - 1}}\left( {x - 3} \right)} \over {\sqrt {9 - {x^2}} }}$$