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प्रश्न
A metal X forms a water soluble salt XNO3. When an aqueous solution of XNO3 is added to common salt solution, then a white precipitate of compound Y is formed alongwith sodium nitrate solution. Metal X is said to be the best conductor of electricity and it does not evolve hydrogen when put in dilute hydrohloric acid.
(a) What is metal X?
(b) What is salt XNO3?
(c) Name the compound Y.
(d) Write the chemical equation of the reaction which takes place on reacting XNO3 solution and common salt solution giving the physical states of all the reactants and products.
(e) What type of chemical reaction is illustrated by the above equation?
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उत्तर
(a) Metal X is silver.
(b) Salt XNO3 is AgNO3.
(c) The compound Y is AgCl.
(d) AgNO3 (aq) + NaCl (aq) → NaNO3 (aq) + AgCl (s)
(e) The above chemical reaction is a double displacement reaction as well as a precipitation reaction.
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संबंधित प्रश्न
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- Name the precipitate.
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Write the balanced chemical equation for the following and identify the type of reaction.
\[\ce{Potassium bromide (aq) + Barium iodide (aq) -> Potassium iodide (aq) + Barium bromide (s)}\]
What is the difference between displacement and double displacement reactions? Write equations for these reactions.
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(a) What could the salt XSO4 be?
(b) What is the colour of salt XSO4?
(c) Name the black precipitate XS.
(d) By using the formula of the salt obtained in (a) above, write an equation of the reaction which takes place when hydrogen sulphide gas is passed through its aqueous solution.
(e) What type of chemical reaction takes place in this case?
Fill in the blank
In the type of reaction called ....................................., ions two compounds exchange their positive and negative radicals ions respectively.
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(B) green and colourless respectively
(C) blue and brown respectively
(D) blue and colourless respectively.
If sodium chloride is added to the silver nitrate solution:
a. which precipitate is formed?
b. name the type of reaction.
c. write the chemical equation.
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- exchange of atoms takes place
- exchange of ions takes place
- a precipitate is produced
- an insoluble salt is produced
The correct option is:
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(i) displacement reaction
(ii) combination reaction
(iii) redox reaction
(iv) neutralisation reaction
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In a double displacement reaction ______.
Write balanced chemical equation for the following word equation.
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