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Hydrogen

Question
CBSEENCH11006932
Wired Faculty App

What happens when:
(i) Steam is passed over red hot coke at 1273 K
(ii) Water is added to Cl2O7
(iii) Water is added to bismuth chloride
(iv) Water is added to silicon tetrachloride?

Solution

(i) Water gas is formed
straight C left parenthesis straight s right parenthesis space plus space space straight H subscript 2 straight O left parenthesis straight g right parenthesis space space space rightwards arrow with space 1273 space straight K on top space stack CO left parenthesis straight g right parenthesis space plus space straight H subscript 2 left parenthesis straight g right parenthesis with water space gas below
(ii) Perchloric acid is formed
                   Cl subscript 2 straight O subscript 7 space plus space straight H subscript 2 straight O space space rightwards arrow space space HClO subscript 4
(iii) Bismuth oxychloride is formed
           BiCl subscript 3 space plus space straight H subscript 2 straight O space space rightwards arrow space space space space BiOCl with Bismuth space oxychloride below space plus space 2 HCl
(iv) Silicon dioxide is formed. 
                  SiCl subscript 4 space plus space 2 straight H subscript 2 straight O space space rightwards arrow space space space SiO subscript 2 space plus space 4 HCl

Some More Questions From Hydrogen Chapter

Give one example in which hydrogen acts as an oxidising agent.

Give laboratory Preparation of Dihydrogen ?

Name the substances in which hydrogen exhibits 0 and -1 oxidation states.

Name one isotope of hydrogen which has no neutron.

Which isotope of hydrogen is used as a tracer in organic reactions ?

Hydrogen is the lightest gas. Still its use in filling balloons has been discarded. Why?

Hydrogen forms both H+ ion and H- ion. Explain.

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