Gram molecular volume of oxygen at STP is
Gram molecular volume of oxygen at STP is Options (a) 3200 cm³ (b) 5600 cm³ (c) 22400 cm³ (d) 11200…
7 years ago
Chemistry
If ionization potential for hydrogen atom is 13.6eV, then ionization potential
If ionization potential for hydrogen atom is 13.6eV, then ionization potential for He⁺ will be Options (a) 54.4 eV (b)…
7 years ago
The correct set of four quantum numbers for the valence electron of rubidium atom
The correct set of four quantum numbers for the valence electron of rubidium atom(Z=37) is Options (a) 5,1,1,+½ (b) 6,0,0,+½…
7 years ago
If 30 mL of H₂ and 20 mL of O₂ reacts to form water. what is left at the end
If 30 mL of H₂ and 20 mL of O₂ reacts to form water. what is left at the end…
7 years ago
The number of gram molecules of oxygen in 6.02 x 10²⁴ CO molecules is
The number of gram molecules of oxygen in 6.02 x 10²⁴ CO molecules is Options (a) 10 gm molecules (b)…
7 years ago
The order of filling of electrons inthe orbitals of an atom will be
The order of filling of electrons inthe orbitals of an atom will be Options (a) 3d, 4s, 4p, 4d, 5s…
7 years ago
The maximum number of electrons in a subshell is given by the expression
The maximum number of electrons in a subshell is given by the expression Options (a) 4l– 2 (b) 4l+ 2…
7 years ago
Maximum number of electrons in a subshell of an atom is determined
Maximum number of electrons in a subshell of an atom is determined by the following: Options (a) 2l + 1…
7 years ago
The weight of iron which will be converted into its oxide(Fe₃O₄) by the action of 18g
The weight of iron which will be converted into its oxide(Fe₃O₄) by the action of 18 g of steam on…
7 years ago
The set of quantom number for 19th electrons of chromium(Z=24) is
The set of quantom number for 19th electrons of chromium(Z=24) is Options (a) 4,0,0,+½ (b) 4,1,-1,+½ (c) 3,2,2,+½ (d) 3,2,-2,+½…
7 years ago