Chemistry Quizzes Posts - TopicsExpress

Why beta carotene is orange? Beta carotene has delocalized 11
Why beta carotene is orange? Beta carotene has delocalized 11 carbon- carbon double bonds conjugated together. The more delocalization there is, the ...

Aromaticity:- ¯¯¯¯¯¯¯¯¯¯¯ • Aromaticity is a property
Aromaticity:- ¯¯¯¯¯¯¯¯¯¯¯ • Aromaticity is a property associated with the extra stability of certain types of pi systems due to the natur...

Q2. Among below _______ is the more basic amine? 1. Aniline 2.
Q2. Among below _______ is the more basic amine? 1. Aniline 2. Para methyl aniline 3. CH3NH2 4. (CH3)2NH 5. (CH3)3N ```````````````````````````````...

Thermal conductivity detector TCD is also known as hot wire
Thermal conductivity detector TCD is also known as hot wire detector. Here, measurements are made according to the thermal conductivity Inside techn...

What type of chemical bond in ammonium chloride? NH4Cl consists
What type of chemical bond in ammonium chloride? NH4Cl consists of ionic, covalent and coordinate bonds. The compound exists as NH4(+) and Cl(-) ion...

♣ Olefin complexes ♣ These are organometallic complexes
♣ Olefin complexes ♣ These are organometallic complexes containing unsaturated ligands such as alkenes ♣ Zeise characterized the pale yellow c...

Transition metals have higher melting and boiling points. This
Transition metals have higher melting and boiling points. This is due to strong overlapping between (n-1)d orbitals and formation of covalent bonds ...

Slater’s rules & shielding. e- further out, are shielded by e-
Slater’s rules & shielding. e- further out, are shielded by e- closer to the nucleus, thus reducing attraction of far e- and nucleus. e- feel a Z...