Advertisements
Advertisements
प्रश्न
Draw the structure of the stable positive ion formed when an acid dissolves in water.
Advertisements
उत्तर
The stable positive ion formed when an acid dissolves in water is hydronium ion.
The structure of hydronium ion (H3O+) is as follows:
\[\ce{HCl + H2O -> H2O+ + Cl-}\]
\[\begin{array}{cc}
\ce{H - \overset{\bullet\bullet}{\mathbf{O}} - H}\\
|\\
\phantom{.}\ce{H}\
\end{array}\]
APPEARS IN
संबंधित प्रश्न
From the list of the following salts choose the salt that most appropriately fits the description is given in the following:
[AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2]
An insoluble chloride.
Explain the formation of hydronium ion.
Name the ions furnished by an acid.
Define the term neutralization, Give a reaction, mentioning clearly acid and base used in the reaction.
Name the ions furnished by : a weak alkali
Give one example : Basic oxide which is soluble in water.
Give one example : A base which is not an alkali.
From the list given below. Select the word(s) required to correctly complete the blanks (i) to (v) in the following passage:
Ammonia, Ammonium, Carbonate, Carbon dioxide, Hydrogen, Hydronium,
A solution 'X' turns blue litmus red so it must contain (i) ______ ions; another solution 'Y' turns red litmus blue and therefore must contain(ii) ______ ions. When solutions X and Y are mixed together, the products will be a (iii) ______ and ______ (iv) ______. If a piece of magnesium was put into solution X, (v) ______ gas would be evolved.
Fill in the blank from the choices given in bracket.
When a metallic oxide is dissolved in water, the solution formed has a high concentration of ___________ ions. (H+,H3O+,OH-)
Making use only of substances chosen from those given below:
(Dilute sulphuric acid, sodium carbonate, Zinc, sodium sulphite, Lead, calcium carbonate)
Give the equation for the reaction by which you could obtain hydrogen.
