Two unpaired electrons. [Ni(H2O)2(NH3)4]2+ the Ni in this complex is in +2 oxidation state, and there are 8 electrons in 3d subshell, and since... View Article
Two uncharged bodies on rubbing get charged because of friction. One of the rubbed material loses electrons and becomes positively charged, and... View Article
Carbon dioxide (CO2) and water (H2O) are obtained after the combustion of methane The process of burning a carbon compound in the air to give... View Article
The melting point of transition elements increases to a maximum at d5 and decreases with the increase of atomic number across a period. The... View Article
Nitrogen has a unique ability to form pi- pi multiple bonds with itself. Give an example of a chemical element that forms a diatomic molecule.... View Article
More the solute particles, the more in the elevation in boiling point. The lowest boiling point implies the least elevation in boiling point.... View Article
An impure sample of Naphthalene can be purified by Sublimation. Certain organic substances on heating change directly from a solid-state to a... View Article
An aqueous solution of potassium Permanganate is known as Baeyer's reagent. Alkenes on reaction with cold, dilute, an aqueous potassium... View Article
Testosterone is the hormone that triggers puberty in males. Testosterone is a hormone found in humans, as well as in other animals. In men, the... View Article
The reaction of calcium oxide with water to form calcium hydroxide is a highly exothermic reaction (gives off heat). Calcium oxide + water →... View Article
Answer: Given parameters Energy consumed by the lamp = 1000 J Time = 10 s We need to find the power of the lamp. Power can be defined as... View Article
According to the Pauli exclusion principle; No two electrons in an atom can have the same set of four quantum numbers. The Pauli Exclusion... View Article
The complete hydrolysis of XeF6  and XeF4 gives XeO3 XeF6 + 3H2O → XeO3+ 6HF XeF6 is one of the three binary fluorides formed by the xenon.... View Article
Classification and evolution are highly interlinked fields of study. Classification is influenced by evolution. The modern classification... View Article
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