Which of the following orbitals are possible ? (2s,1p,3f,2p)

2p orbitals have :

Considerting x-axis as the internuclear axis, which out of the following atomic orbitals will form a sigma bond? a. 1s and 1s b. 1s and 2p_(x) c. 2p_(3) and 2p_(y) d. 1s and 2s

The electronic configuration of four elements L, P, Q and R are given below. L- 1s^2 2s^2 2p^4 P- 1s^2 2s^2 2p^6 3s^1 Q- 1^2 2s^2 2p^6 3s^2 3p^5 R- 1s^2 2s^2 2p^6 3s^2 . Which of the following are correct compounds formed by these elements?

Considering X-axis as the internuclear axis, which out of the following atomic orbitals will form a sigma bond ? a) 1S and IS b) 1S and 2 P_x c)2 P_y and 2P_y d) IS and 2S

Which of the following are correct ? (1) Electron density in XY plane for d_(x^(2)-y^(2)) orbital is zero. (2) The energy of 3p-orbital is higher than the energy of 2p-orbital. (3) 3p_(z) orbital has one angular node. (4) 4f-orbital has no radial node.

Which of the following arrangements of p orbitals gives the lowest energy orbital of 1,3-butadiene?

Give the order of filling of electrons in the following orbitals 3p, 3d,4p, 3d and 6s.

Which of the following electronic configurations has the lowest ionization enthalpy ? (a) 1s^2 , 2s^2 , 2p^6 , ,(b) 1s^2 , 2s^2 , 2p^6 (c) 1s^2 , 2s^2 , 2p^6 , 3s^2 .

Among the following pairs of orbitals which orbital will experience the larger effective nuclear charge ? (i) 2s and 3s (ii) 4d and 4f (iii) 3d and 3p