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Introduction to Sulphuric Acid

Write equatio...

Question

Write equations to show the reaction between the following:
(i) copper and concentrated nitric acid
(ii) copper oxide and dilute nitric acid

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Solution

(i) $Cu + 4 {HNO}_{3} \to Cu {({NO}_{3})}_{2} + 2 H_{2} O + 2 {NO}_{2}$
(ii) $CuO + 2 {HNO}_{3} \to Cu {({NO}_{3})}_{2} + H_{2} O$

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Q. Write the equations to show the reactions between the following:
(i) dilute nitric acid to produce carbon dioxide.
(ii) between cooper and concentrated nitric acid.

Q. Fill in the blanks using the appropriate words given below :
(Sulphur dioxide, Nitrogen dioxide, Nitric oxide, Sulphuric acid)
(i) Cold, dilute nitric acid reacts with copper to give ____________.
(ii) Hot, concentrated nitric acid reacts with copper to form ____________.

Q. (i) Dilute nitric acid is generally considered to be a typical acid except for its reaction with metals. In what way is dilute nitric acid different from other acids when it reacts with metals?
(ii) Write the equation for the reaction of dilute nitric acid with copper.
(iii) Account for the yellow colour that appears in concentrated nitric acid when it is left standing in an ordinary glass bottle.

Q. Write the balanced equation for the reaction in which copper is oxidized by concentrated nitric acid.

Q. Write balanced equations and name the products formed when:
(a) Sodium hydrogen carbonate is added to nitric acid
(b) cupric oxide reacts with nitric acid
(c) zinc reacts with dilute nitric acid
(d) concentrated nitric acid is heated

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