Waec 2023 Chemistry Question 2

Practice essay / theory question 2 from the 2023 Waec Chemistry examination. This question covers General .

Waec 2023 Chemistry Essay / Theory
Topic: General
Question 2 WAEC • 2023 • CHEMISTRY • essay

In an experiment, 20.0 cm³ of a solution containing 4 g dm⁻³ of sodium hydroxide was neutralized by 8.0 cm³ of dilute tetraoxosulphate (VI) acid:

Question Parts

( a )
(i) write a balanced equation for the reaction; (ii) calculate the concentration of the acid in mol dm⁻³.
( b )
(i) State two postulates of the Kinetic theory of gases which real gases do not obey. (ii) Explain briefly why gases do not obey the postulates stated in 2b(i)
( c )
(i) name the compound; (ii) name the two structural isomers of the compound; (iii) state the chemical process involved in the preparation of the compound from starch; (iv) write the chemical equation for the steps involved in the process in 2(c)(iii); (v) name two enzymes involved in the process in 2(c)(iii).
( d )
Explain briefly the term structural isomerism.

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About This Question

This is Waec 2023 Chemistry Question 2. It is one of the essay questions from the 2023 Waec Chemistry examination.

The question covers General .

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