The adsorption of hydrogen on charcoal is which type of absorption?
Answer: Occlusion Adsorption is the process of one substance forming a film or coating on the surface of another.
What happens when calcium reacts with water?
When calcium metal reacts with water, it reacts less violently. It produces a hydroxide known as calcium hydroxide (a cloudy white precipitate)
In which of the following will the Kharasch effect operate? (A) CH3−CH2−CH−CH2+HCl (B) CH3−CH2−CH=CH2+HBr (C) CH3−CH=CH−CH3+HBr (D) CH3−CH2−CH=CH2+HI
When unsymmetrical alkenes react with alkyl halides (particularly HBr) in the presence of peroxides (mainly benzenes)
Which of the following intermediates have the complete octet around the carbon atom ?A) Carbonium ion B) Carbanion C) Free radical D) Carbene
Answer: (B) In a carbanion, carbon is trivalently bound to three atoms or groups and contains eight electrons (octet).
What is the contribution of particle at the edge centre of a particular unit cell is?
The smallest repeating unit of a crystal lattice, or the building block of the crystal, is called a unit cell. A crystal lattice
Jahn-teller effect is not observed is high spin complexes of: A. d4 B. d9 C. d7 D. d8
The john teller distortion, also known as the jahn-teller effect, is a nonlinear geometrical distortion of a molecule that lowers its symmetry..