Which of the following statements in rel...

Which of the following statements in relation to the hydrogen atom is correct? `3s` orbital is lower in energy than `3p` orbital, `3p` orbital is lower in energy than `3d` orbital, `3s` and `3p` orbitals are lower in energy than `3d` orbital, `3s` and `3p` orbital all have the same energy

3 s orbital is lower in energy than '3 p' orbital

3 p' orbital is lower in energy than '3 d' orbital

3 s' and '3 p' orbitals are lower in energy than '3 d' orbital

3 s' and '3 p' orbitals all have the same energy

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The correct Answer is:

Which of the following order of energies of molecular orbitals of N_2 is correct?

`E (pi 2p_x) = E (pi 2p_y) lt E (sigma2 p)lt E (pi^(**) 2p_x) = E (pi^(**)2p_x) = E (pi^(**) 2p_y)`

`E (pi 2p_x) = E (pi 2p_y) gt E(sigma 2p) gt E (pi^(**) 2p_x) = E (pi^(**) 2p_y)`

`E(pi2p_x) = E (pi2p_y) lt E (sigma 2p) gt E (pi^(**) 2p_x) = E (pi^(**) 2p_y)`

`E (pi2p_x) = E (pi 2p_y) gt E (sigma 2p) lt E (pi^(**) 2p_x) = E (pi^(**)2p_y)`

`E(pi 2p_x)=E(pi 2p_y) lt E(sigma 2p_z) lt E(pi^("*") 2p_x)=E(pi^("*")2p_y)`

`E(pi 2p_x)=E(pi 2p_y) gt E(sigma 2p_z) gt E(pi^("*") 2p_x)=E(pi^("*")2p_y)`

`E(pi 2p_x)=E(pi 2p_y) lt E(sigma 2p_z) gt E(pi^("*") 2p_x)=E(pi^("*")2p_y)`

`E(pi 2p_x)=E(pi 2p_y) gt E(sigma 2p_z) lt E(pi^("*") 2p_x)=E(pi^("*")2p_y)`

If both (A) and (R) are correct, but (R) is not the correct explanation of (A).

If both (A) and (R) are correct, but (R) is not the correct explanation of (A)

If (A) is correct, but (R) is incorrect.

If both (A) and (R) are incorrect.