CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Baking soda mainly contains sodium bicarbonate. When this is treated with dilute hydrochloric acid, the following reaction occurs.
NaHCO3+HClNaCl+CO2+H2O
Answer the questions below.
i) What is the valency of the sodium ion?
ii) What is the valency of the bicarbonate ion?
iii) Is the chloride ion monovalent or divalent?
iv) What do the symbols and imply in the reaction?
v) If one more H+ ion is removed from bicarbonate ion gives carbonate ion. Write the formula of the carbonate radical.
vi) The bicarbonate ion is __________ anion.( Monoatomic / Polyatomic)
vii) Name the products formed in the above reaction.
viii) Identify the cation and the anion in the formula of Sodium chloride.
ix) What is the difference between sodium and sodium ion.
x) State the law which must be fulfilled, while balancing the chemical equation.

Open in App
Solution

(i) [Na+Cl]/[Na+(HCO3)]
The valency of the sodium ion is One.

(ii) [Na+(HCO3)]
The valency of the bicarbonate ion is One.

(iii) In the above reaction, chloride ion is monovalent.

(iv) Symbol () means reaction is proceeded or reaction is taking place. Symbol () means reactant or product is gaseous in nature.

(v) (H+CO23) Bicarbonate
H+ is removed, therefore it becomes (CO23) Carbonate radical

(vi) The bicarbonate ion is Polyatomic ion.

(vii) Products formed:- (NaCl)SodiumChloride
(CO2) Carbon dioxide
(H2O) Water

(viii) Cation means radical bearing positive charge whereas Anion means radical bearing negative charge. Therefore, in NaClNa+ is cation and Cl is anion.

(ix) In sodium, number of electrons present is 11 and in sodium ion, number of e present is 10.

(x) While balancing the chemical reaction, law of conservation of mass must be fulfilled.

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Balanced Chemical Equation
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon