0.05 mole of Ca(OH)2 can neutralise H2SO4. This H2SO4 can be neutralised by :
A
0.05 mol of NaOH
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B
0.10 mol of NaOH
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C
0.05 mol of POH(OH)2
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D
none of the above is correct
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Solution
The correct option is A0.10 mol of NaOH The balanced reaction is as follows: Ca(OH)20.05mol+H2SO4⟶CaSO4+2H2O So according to balanced reaction, 1molCa(OH)2≡1molH2SO4 0.05molCa(OH)2≡0.05molH2SO4
H2SO4+2NaOH→Na2SO4+2H2O 1 2 0.05 0.10 So, H2SO4 can be neutralised by 0.10 mol of NaOH.