Which of the following statements is NOT correct about all four of the acids: HBr, HNO3, H 2CO3 and H2SO4? They
a
dissolve marble to liberate CO
b
have a PH less than 7
c
Turn blue litmus red
d
neutralize alkalis to form salt
e
react with magnesium to liberate hydrogen
Explanation
Correct Option
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Discussions (10)
Faroukalao
4 years ago
A is correct
Magnesium can displace hydrogen from a very dilute solution of HNO₃ (about1%)
New school Chemistry... Page 419
Chemical properties of HNO₃
Perry_WB
5 years ago
Option A and E are both correct...
Since All acids react with carbonates(marble calciumtrioxocarbonate) to liberate CO2 not CO....and all acids except HNO3 react with metals( Mg.. etcetera) to liberate hydrogen because it oxidizes the hydrogen to water due to its strong oxidizing ability.
^_^
King33Victor
3 months ago
besides the only acid that can react with marble Chips or CaCO3 to produce CO2 is HCL
