Answer: (a) The nucleophilic substitution process produces diethyl ether. Diethyl ether is generated by the dehydration of one of the ethanol... View Article
Answer: (a) Carbohydrates The biuret test is a synthetic method for determining whether peptide bonds exist. In an alkaline solution, a... View Article
The metallic character of the elements is highest at the extremely left (low ionisation energies) and then decreases across the period from left... View Article
A sigma bond is the strongest covalent chemical link. They're made up of atomic orbitals colliding in a head-on collision. Sigma bonding is best... View Article
The low- grade ore from which copper is to be recovered goes through a leaching procedure first. The process of leaching is the extraction of a... View Article
In an SN1 reaction with the OH- ion, C6H5— CH2— Cl will react quicker. This is owing to the carbocation's stability in the compound. The C6H5... View Article
The halogens are fluorine, chlorine, bromine, and iodine. They are members of Group 17, commonly known as the halogen group. These halogens are... View Article
Answer: (d) The hydrogen is the element with atomic number 1 . An atom consists of energy levels like electronic, vibrational, rotational and... View Article
Cupellation is based on the idea that noble metals do not oxidise and are chemically inert. When noble metals are heated to high temperatures,... View Article
Answer: b) NaOH Acetone has a chemical formula (CH3)2CO . It is also known as propanone or dimethyl ketone and it is the smallest and the... View Article
Answer: (A) Xenon is an atom with the atomic number 54 and the symbol Xe in the modern periodic table. It's a noble gas that exists in trace... View Article
Answer: (C) Isotonic solutions, in general, are those that have equal concentrations of impermeable solutes on both sides of the membrane,... View Article
One eight of the tetrahedral voids by divalent ions (A2+). One half of the octahedral voids are made up by trivalent ions (B3+). The lattice... View Article
Answer: Large amount of hydration energy makes it the strongest reducing agent inspite of its highest ionisation enthalpy. The ionisation... View Article
The face-centered cubic unit cell is known to include atoms in both the corners and the centre of the cube. Then, as the question suggests, we... View Article
The potential energy U of a body of mass m at a height h above some reference point is given as U=mgh --(1) Where g is the acceleration due to... View Article
The coefficient of friction is represented as μ. The frictional force is divided into horizontal and vertical components. Those are λsinθ and... View Article
If the doping concentration is low, the breakdown in a reverse biassed PN junction diode will most likely occur due to the buildup of the greater... View Article