Q45 / 54 · NTA Abhyas (JEE Main) 2020 · Chemistry · Redox Reactions
How many millilitres of are needed to dissolve of copper(II)carbonate?
Report your answer by rounding it up to nearest integer.
Report your answer by rounding it up to nearest integer.
Correct answer: 8
Solution
The balanced chemical reaction is:
CuCO3 + H2SO4 → CuS04 + H2O + CO2
milli mol of CuCO3 =
= 4.048 mM
milli mol of H2SO4 required = 4.048 mM
= Molarity x Volume (in mL)
Volume = = 8.1 mL
CuCO3 + H2SO4 → CuS04 + H2O + CO2
milli mol of CuCO3 =
= 4.048 mM
milli mol of H2SO4 required = 4.048 mM
= Molarity x Volume (in mL)
Volume = = 8.1 mL
Hence, the correct answer is 8.