Q1: Write the balanced molecular reaction and the net ionic reaction for the reaction between BaCl2...

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Chemistry

Q1: Write the balanced molecular reaction and the netionic reaction for the reaction between BaCl2 and Na3PO4 in aqueoussolution: Molecular reaction:
BaCl2(aq) + Na3PO4(aq) â†’ _ +
Net ionic reaction:
Q2: Classify the following reactions as: acid-base,precipitation, combustion, combination, and displacement ordisproportionation reaction:
BaCl2(aq) + MgSO4(aq) â†’ BaSO4(s) + MgCl2(aq)__ reaction
NH3(aq) + HBr(aq) â†’ NH4Br(aq)_
reaction 2CO(g) + O2 â†’ 2CO2(g) _________________reaction
Q3: Circle the correct answer for each
Â Â Â Â Â Â Â Â Â Â Â CO3^2â€“ isaÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â BrÃ¸nsted acid / BrÃ¸nsted base / can be both
Â Â Â Â Â Â Â Â Â Â Â HCO3^â€“ isaÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â BrÃ¸nsted acid / BrÃ¸nsted base / can be both
Â Â Â Â Â Â Â Â Â Â Â PO4^3â€“ isaÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â BrÃ¸nsted acid / BrÃ¸nsted base / can be both
Â Â Â Â Â Â Â Â Â Â Â H3PO4 isaÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â BrÃ¸nsted acid / BrÃ¸nsted base / can be both
Â Â Â Â Â Â Â Â Â Â Â H2PO4^â€“ isaÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â BrÃ¸nsted acid / BrÃ¸nsted base / can be both
Â Â Â Â Â Â Â Â Â Â Â CH3COOH is a Â Â Â Â Â Â Â Â Â BrÃ¸nsted acid / BrÃ¸nsted base / can be both
Â Â Â Â Â Â Â Â Â Â Â CH3COO^â€“ isaÂ Â Â Â Â Â Â Â Â Â Â Â BrÃ¸nsted acid / BrÃ¸nsted base / can be both
Â Â Â Â Â Â Â Â Â Â Â SO4^2â€“ isaÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â BrÃ¸nsted acid / BrÃ¸nsted base / can be both
Q4: The oxidation numbers of S inSO3^2â€“and,SO4^2â€“are:
A. +2 and +4Â Â Â Â Â Â Â Â Â Â Â Â Â B. +3 and+6Â Â Â Â Â Â Â Â Â Â Â Â Â Â C. +4 and+6Â Â Â Â Â Â Â Â Â Â Â Â Â Â D. +6 and+8Â Â Â Â Â Â Â Â Â Â Â Â Â Â E. â€“4 and â€“6
Q5: The oxidation number of Cr in thedichromate ion,Cr2O7^2â€“is:
A.+6Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â B.+5Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â C.+4Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â D.â€“4Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â E. +7
Q6 For which of the following pairs areboth compounds insoluble in water?
A.NaBr, Na2SO4
B. Na2CO3, CaCO3Â Â
C. Fe2(CO3)3, Ba3(PO4)2
D. Na3PO4, Ca3(PO4)2
E. PbSO4, MgSO4

Answer & Explanation Solved by verified expert

3.6 Ratings (561 Votes)

3BaCl2 2Na3PO4 Ba3PO42 6NaCl 3Ba2 6Cl 2PO42 6Na Ba3PO42 6Na 6Cl net onic equation 3Ba2 2PO42 Ba3PO42 2 BaSO4 gets precipitated Hence precipitation reaction 3 NH3 base HBr acid NH4Br acid base See Answer

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