Which of the following is not permissible arrangement of electrons in an atom?
Which of the following is not permissible arrangement of electrons in an atom?
Options
(a) n = 5, l = 3, m = 0, s = +1/2 (b) n = 3, l= 2, […]
AIPMT2009
What is the dominant intermolecular force or bond that must be overcome
What is the dominant inter molecular force or bond that must be overcome in converting liquid CH₃OH to a gas?
Options
(a) Dipole-dipole interaction (b) Covalent bonds (c) London dispersion force (d) Hydrogen […]
The stability of +1 oxidation state increases in the sequence:
The stability of +1 oxidation state increases in the sequence:
Options
(a) Tl < In < Ga < Al (b) In < Tl < Ga < Al (c) Ga < In < Al […]
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 (b) 4l – 2 (c) 2n² (d) 4l + 2
Correct Answer:
4l + […]
10 g of hydrogen and 64 g of oxygen were filled in a steel vessel and exploded
10 g of hydrogen and 64 g of oxygen were filled in a steel vessel and exploded. Amount of water produced in this reaction will be
Options
(a) 3 mol (b) 4 mol […]
What is the [OH⁻] in the final solution prepared by mixing 20 mL of 0.05 M Hcl
What is the [OH⁻] in the final solution prepared by mixing 20 mL of 0.05 M Hcl with 30 mL of 0.1 M Ba(OH)₂?
Options
(a) 0.4 M (b) 0.005 M (c) 0.12 […]
If the dimensions of a physical quantity are givenby Mᵃ Lᵇ Tᶜ, then the physical
If the dimensions of a physical quantity are givenby Mᵃ Lᵇ Tᶜ, then the physical quantity will be:
Options
(a) Velocity if a= 1, b = 0, c = – 1 (b) Acceleration […]
The mass of a lift is 2000kg. When the tension in the supporting cable is 28000N, then its acceleration is
The mass of a lift is 2000kg. When the tension in the supporting cable is 28000N, then its acceleration is
Options
(a) 4ms⁻² upwards (b) 4 ms⁻² downwards (c) 14 ms⁻² upwards (d) […]
A body under the action of a force F⃗ = 6i⃗–8j⃗+10k⃗, acquires an accelerationof 1 m/s². The mass of this body must be
A body under the action of a force F⃗ = 6i⃗–8j⃗+10k⃗, acquires an acceleration of 1 m/s². The mass of this body must be
Options
(a) 10 kg (b) 20 kg (c) 10 […]
There is no DNA in:
There is no DNA in:
Options
(a) mature RBC s (b) a mature spermatozoan (c) hair root (d) an enucleated ovum
Correct Answer:
mature RBC s
Explanation:
Red blood cells are the most common […]