Hydrogen combines with a greenish yellow gas. Haber’s process. Magnesium reacts with dilute sulphuric acid. Lead reacts with sodium hydroxide. Zinc reacts with boiling water. Ferric chloride reacts hydrogen sulphide. Oxidation of hydrogen. Calcium reacts with cold water. Preparation of hydrogen using iron. Zinc reacts with potassium hydroxide.
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11th
Chemistry
Some Basic Concepts of Chemistry
Stoichiometry and Stoichiometric Calculations
Write word equations and th...
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Asked on October 15, 2019 by
Anurag Dsouza
Write word equations and then balanced equations for the reaction taking place when:
(a) Dilute sulphuric acid reacts with zinc granules.
(b) Dilute hydrochloric acid reacts with magnesium ribbon.
(c) Dilute sulphuric acid reacts with aluminium powder.
(d) Dilute hydrochloric acid reacts with iron filings.
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VIDEO EXPLANATION
ANSWER
a) Dilute sulphuric acid reacts with zinc granules to produce zinc sulphate and hydrogen gas
H
2
SO
4
(aq)+Zn(s)→ZnSO
4
(aq)+H
2
(g)
(b) Dilute hydrochloric acid reacts with magnesium ribbon to produce magnesium chloride and hydrogen gas.
2HCl(aq)+Mg(s)→MgCl
2
(aq)+H
2
(g)
(c) Dilute sulphuric acid reacts with aluminium powder to produce aluminium sulphate and hydrogen gas.
3H
2
SO
4
(aq)+2Al(s)→Al
2
(SO
4
)
3
(aq)+3H
2
(g)
(d) Dilute hydrochloric acid reacts with iron filings to produce ferric chloride and hydrogen gas.
6HCl(aq)+Fe(s)→2FeCl
3
(aq)+3H
2
(g)
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