write the mechanism of hydration of ethene to yield ethanol
The mechanism of hydration of ethene to yield ethanol is: (1) The electrophilic attack of H30+ hydronium ion protonates ethene... View Article
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At absolute zero si acts as (a) non-metal (b) metal (c) insulator (d) semiconductor
Option (c) insulator
The molecule having smallest bond angle is a) PCl3 b) ACl3 c) NCl3 d) SbCl3
Option d) SbCl3
How is the concentration of hydronium ions affected when a solution of an acid is diluted
The concentration of hydronium ions decreases when acid is diluted. Upon adding water, the H+ ions of the acid and... View Article
Define Latent Heat of Fusion
The latent heat of fusion of a solid is the quantity of heat in joules required to convert 1 kilogram... View Article
Nucleons are
(a) neutrons and electrons (b) Protons and neutrons (c) Protons and electrons (d) Protons, electrons and neutrons Nucleons are protons... View Article
What is gold number
The minimum amount of protective colloid in mg which is just sufficient to prevent the coagulation of 10 ml of... View Article
BOD stands for
BOD stands for Biochemical Oxygen Demand. The amount of oxygen required by bacteria to break down the organic matter present... View Article
Rutherford scattering experiment is related to the size of the
Rutherford scattering experiment is related to the size of the nucleus.
IUPAC name of CH3COOH is
IUPAC name of CH3COOH is Ethanoic acid.
Draw the electron dot structure of MgCl2.
The below diagram is the dot structure of MgCl2:
How to remove the hardness of water temporarily?
The hardness of water can be removed temporarily by adding calcium hydroxide.
Why SO2 can act as oxidising as well as reducing agent but H2S act as only reducing agent
In SO<sub>2</sub>, S is in oxidation state with +4 charge and the highest oxidation state is +6. So, it acts... View Article
Among the following which is least acidic?
Among the following, which is least acidic? phenol p-chlorophenol p-nitrophenol o-cresol The correct option is iv. o-cresol
Draw the structure of O3 and NO2
The structure of O<sub>3</sub> is: The structure of NO<sub>2</sub> is:
Is Aluminium a metal or metalloid? Justify with suitable reasons.
Aluminium is a metal because of the following reasons: It is a good conductor of heat and electricity. It is... View Article
The outer shell configuration of the most electronegative element is
The outer shell configuration of the most electronegative element is: ns<sup>2</sup>np<sup>3</sup> ns<sup>2</sup>np<sup>4</sup> ns<sup>2</sup>np<sup>5</sup> ns<sup>2</sup>np<sup>6</sup> &nbps; The correct option is iii.... View Article
The electronic configuration of gadolinium atomic no 64 is
(a) [Xe] 4f3 5d5 6s2 (b) [Xe] 4f6 5d2 6s2 (c) [Xe] 4f8 5d9 6s2 (d) [Xe] 4f7 5d1 6s2... View Article
Explain hunds rule with an example
Hunds rule states that in a sublevel, each orbital is singly occupied before it is doubly occupied. The electrons present... View Article
Tabulate the differences in the characteristics of states of matter
Solid, liquid and gas are the three states of matter. The condition of the matter is one of the distinct forms... View Article
