Write balanced chemical equations for the following:
$(a)$ Calcium carbonate reacts with hydrochloric acid.
$(b)$ Calcium oxychloride reacts with hydrochloric acid.
$(c)$ Sodium hydroxide reacts with zinc.
$(a)$ Calcium carbonate reacts with hydrochloric acid.
$(b)$ Calcium oxychloride reacts with hydrochloric acid.
$(c)$ Sodium hydroxide reacts with zinc.
(N/A) Calcium carbonate reacts with hydrochloric acid to form calcium chloride,water,and carbon dioxide:
$CaCO_{3} + 2HCl \rightarrow CaCl_{2} + H_{2}O + CO_{2}$
$(b)$ Calcium oxychloride (bleaching powder) reacts with hydrochloric acid to form calcium chloride,water,and chlorine gas:
$CaOCl_{2} + 2HCl \rightarrow CaCl_{2} + H_{2}O + Cl_{2}$
$(c)$ Sodium hydroxide reacts with zinc to form sodium zincate and hydrogen gas:
$2NaOH + Zn \rightarrow Na_{2}ZnO_{2} + H_{2}$
$CaCO_{3} + 2HCl \rightarrow CaCl_{2} + H_{2}O + CO_{2}$
$(b)$ Calcium oxychloride (bleaching powder) reacts with hydrochloric acid to form calcium chloride,water,and chlorine gas:
$CaOCl_{2} + 2HCl \rightarrow CaCl_{2} + H_{2}O + Cl_{2}$
$(c)$ Sodium hydroxide reacts with zinc to form sodium zincate and hydrogen gas:
$2NaOH + Zn \rightarrow Na_{2}ZnO_{2} + H_{2}$
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Give reasons for the following:
$(a)$ Dry $HCl$ gas does not change the colour of dry litmus paper.
$(a)$ Dry $HCl$ gas does not change the colour of dry litmus paper.
Medium
View SolutionFill in the missing data in the following table:
Name of the salt Formula Base Acid $(i)$ Ammonium chloride $NH_{4}Cl$ $NH_{4}OH$ - $(ii)$ Copper sulphate - - $H_{2}SO_{4}$ $(iii)$ Sodium chloride $NaCl$ $NaOH$ - $(iv)$ Magnesium nitrate $Mg(NO_{3})_{2}$ - $HNO_{3}$ $(v)$ Potassium sulphate $K_{2}SO_{4}$ - - $(vi)$ Calcium nitrate $Ca(NO_{3})_{2}$ $Ca(OH)_{2}$ -
| Name of the salt | Formula | Base | Acid |
| $(i)$ Ammonium chloride | $NH_{4}Cl$ | $NH_{4}OH$ | - |
| $(ii)$ Copper sulphate | - | - | $H_{2}SO_{4}$ |
| $(iii)$ Sodium chloride | $NaCl$ | $NaOH$ | - |
| $(iv)$ Magnesium nitrate | $Mg(NO_{3})_{2}$ | - | $HNO_{3}$ |
| $(v)$ Potassium sulphate | $K_{2}SO_{4}$ | - | - |
| $(vi)$ Calcium nitrate | $Ca(NO_{3})_{2}$ | $Ca(OH)_{2}$ | - |
Difficult
View SolutionIn $H_{3}O^{+}$,there is a coordinate covalent bond between $......$ and $......$.
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