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Nomenclature of Carboxylic Acids

Equivalent re...

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Equivalent resonating structures are observed in (1) Acetate ion (3) Phosphate ion (2) Nitrate ion (4) All of these

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(i)

Draw the resonating structure of

ozone molecule

(ii)

Draw the resonating structure of

nitrate ion

Q. Draw Lewis structures for each of the following:
(A) nitrate ion

({[{N O}_{3}]}^{-})

(B) phosphoric acid

(H_{3} P O_{4})

(C) aluminum chloride

(A l {C l}_{3})

(D) sodium phosphate

({N a}_{3} P O_{4})

Q. The anion nitrate is converted into ammonium ion. The equivalent mass of nitrate ion in the reaction would be :

Q. (a) What is an ion ? How is an ion formed ? Explain with the help of two examples of different ions.
(b) The valencies (or charges) of some of the ions are given below :

Ion	Valency (Charge)	Ion	Valency (Charge)
Sodium ion	1+	Bromide ion	1–
Ammonium ion	1+	Hydroxide ion	1–
Calcium ion	2+	Sulphate ion	2–
Lead ion	2+	Phosphate ion	3–

Using this information, write down the formulae of the following compounds :
(i) Sodium phosphate
(ii) Ammonium sulphate
(iii) Calcium hydroxide
(iv) Lead bromide

Q. All of these species have the same number of Valence Electrons as nitrate Ion ,except
(A) Carbonate ion
(B) Bicarbonate ion
(C) NF3
(D) SO3

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Nomenclature of Carboxylic Acids

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