The Gibbs–Helmholtz equation is a thermodynamic equation used for calculating changes in the Gibbs energy of a system as a function of... View Article
Answer: (c) BF3 Lewis acids are electron-pair acceptors. BF3 is a Lewis acid In 1923 G. N. Lewis suggested another way of looking at the... View Article
Addition polymerisation occurs among molecules containing double bonds. Addition polymerisation is also called chain growth polymerisation.... View Article
Answer: It is a membrane-bound organelle mainly composed of a series of flattened, stacked pouches called cisternae. The Golgi body comprises a... View Article
During the nitration of benzene, the active nitrating agent is NO2+. Nitrating mixture is the name given to the mixture of concentrated nitric... View Article
Acetyl chloride, when treated with dimethyl cadmium, gives acetone. Dimethyl cadmium acts as an alkylating reagent that provides a methyl group,... View Article
Estrogen is the hormone that triggers puberty in female Estrogens (also called Oestrogens) are steroid compounds that are important for... View Article
Pearls are formed inside the oysters. A cultured pearl is a genuine pearl, produced by an oyster or mollusc, but with human assistance. There... View Article
We know the relationship: Temperature in Kelvin = Temperature in °C + 273 Substitute the given value in the equation and then calculate the other... View Article
The number of sigma bonds =13 and pi bonds = 3 Sigma and pi bonds are chemical covalent bonds. The overlap of atomic orbitals forms sigma and... View Article
The complex [Co(en)3]3+Â Â exhibits a type of optical isomerism. Isomers have the same molecular formula, but have a different arrangement of the... View Article
The process of Mitosis continuously replaces skin cells. Mitosis happens for growth, repair and replacement. Skin cells being replaced would... View Article
On increasing the temperature, the system's entropy increases because the increase in temperature increases the kinetic energy of molecules and... View Article
Caustic soda absorbs moisture when exposed to air and hence shows an increased weight. Caustic soda ( sodium hydroxide ) is a versatile alkali.... View Article
Fossils are preserved remains of living organisms from the remote past. Fossil mainly preserves only a portion of the dead organism (e.g.,... View Article
50 km to 80 km The mesosphere is a layer of Earth's atmosphere. Temperature decreases with height throughout the mesosphere. The coldest... View Article
Voluntary action is under the control of ones will, whereas reflex action are spontaneous involuntary Involuntary actions are actions that... View Article
Avogadro's law made a distinction between atoms and molecules. Avogadro’s Law (sometimes referred to as Avogadro’s hypothesis or Avogadro’s... View Article