JEE Physics31)Which is a condition for spontaneous ?
∆G < 0
JEE Physics32)In evaporation of water ∆H and ∆S are
+ , +
JEE Physics33)Hess's law states that
the standard enthalpy of an overall reaction is the sum of the enthalpy changes in individual reactions
JEE Physics34)Two electrons occupying the same orbital are distinguished by
Spin quantum number
JEE Physics35)For a f-orbital the values of m are
-3,- 2, -1, 0,+ 1,+ 2,+ 3
JEE Physics36)Impossible orbital among the following is
3f
JEE Physics37)What is the maximum numbers of electrons that can be associated with the following set of quantum numbers?
n = 3, l = 1 and m = –1
2
JEE Physics38)Maximum number of electrons in a subshell with :
l = 3 and n = 4 is :
14
JEE Physics39)The total number of atomic orbitals in fourth energy level of an atom is :
16
JEE Physics40)The maximum number of sublevels, orbitals and electrons in N-shell of an atom are respectively
4, 16, 32