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THE LANGUAGE OF CHEMISTRY

STUDY OF THE FIRST ELEMENT – HYDROGEN

THE PERIODIC TABLE

Modern atomic symbols are based on the method proposed by

Describe briefly the ionic concept of oxidation and reduction. Give an equation to illustrate.

Name the alkali metals. How many electrons(s) do they have in their outermost orbit.

Write down the empirical formula of acetic acid.

Give the molecular formula and structural formula of acetic acid .

Consider the three solutions of 1 M concentration
1. Sodium acetate (CH3COONa)
2. Acetic acid + Sodium acetate
(CH3COOH+CH3COONa)
3. Acetic acid (CH3COOH)
The pH of these solutions will be lie in the following sequence

The empirical formula of acetic acid is the same as that of

Jagadeesh: How can we predict the nature of a salt, sodium acetate (CH3COONa)?
Leela: Explained the doubt of Jagadeesh by asking some questions. Here their conversation is given in incomplete sentence.
Frame the questions and fill in it.
Leela : ………………………………………………………….? Jagadesh : CH3COONa (Sodium acetate) is basic in nature.

Consider the three solutions of 1 M concetration
(1) Sodium acetate (CH3COONa)
(2) Acetic acid +Sodium acetate (CH3COOH+CH3COONa)
(3) Acetic acid (CH3COOH)
pH of these solutions will lie in the following sequence:

जब सोडियम एसीटेट (CH3COONa) को एसिटिक अम्ल (CH3COOH) के जलीय विलयन में डाला जाता है तो

Give the empirical formula of the following .C6H12O6, C6H6, CH3COOH, C6H6Cl6.

How are the following conversions archieved? (ii) Acetic acid (CH3COOH) to chloro acetic acid (CH2Cl−COOH)

Consider the three solutions of 1 M concentration 1. Sodium acetate (CH_3COONa) 2. Acetic acid + Sodium acetate (CH_3COOH+CH_3COONa) 3. Acetic acid (CH_3COOH) The pH of these solutions will be lie in the following sequence

Assertion : Acetic acid and lactic acid have the same percentage composition.
Reason : Though they have different molecular formulae they have the same empirical formula.

Molar mass of acetic acid is 60. Its empirical formula is:

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