Question

11.
Which of the following is incorrect?
A)2Na + dil.H2SO4= Na2SO4 + H2
B) Cu+ dil.H2SO4 = CuSO4+ H2
C) 2Ag + dil.HNO3 = 2AgNO3 + 2NO3 + 2H20
D)S+ con.HNO3= SO2+NO2+O2​

Answer 1

S+con.HNO3=2AgNO3+2NO3+2H2O

Answer 2

Answer:

The options are incorrect is B and C

EXPLANATION:

• Option B is incorrect because the cu does not reacted with H2So4 which makes a potential energy is reduced .

Option C is incorrect because the product is wrong in this reaction it gives product as 2Ag+No2+ H2O.

this may help you.