Does a reaction occur when aqueous solutions of chromium(II) nitrate and sodium phosphate are combined?
yes or no
If a reaction does occur, write the net ionic equation.
Ans :-
YES, reaction between chromium(II) nitrate and sodium phosphate takes place as :
3Cr(NO3)2 (aq) + 2Na3PO4 (aq) ------------------> Cr3(PO4)2 (s) + 6NaNO3 (aq)
Completely ionized the Cr(NO3)2 , Na3PO4 and NaNO3 as they are strong electrolytes.
So,
Total ionic equation is :
3Cr2+ (aq) + 6NO3- (aq) + 6Na+ (aq) + 2PO43- (aq) ------------------> Cr3(PO4)2 (s) + 6Na+ (aq) + 6NO3- (aq)
Negelect the spectator ions i.e. Na+ and NO3- on both the sides as they lies on both the sides of equation.
So,
Net ionic equation is : 3Cr2+ (aq) + 2PO43- (aq) ------------------> Cr3(PO4)2 (s) |
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