1 the hybrid state of C in CO2 is same as that of C in
a. HCHO
b. CO3 -2
c. carbon 2 of propanediene
d. carbon 3 of propanediene
2. which of the following substances will be able to reduce H2O2
a. O2
b. PbS
c. Ag2O
d. NO-3 ions
3. p-choloroaniline and anilinium chloride can be distinguished by
a. sandemeyer reaction
b. Na2SO4
c. AgNO3
d. carbylamine test