MCQ
In organic compounds, nitrogen is tested in Lassaigne's test as
- A$NaN{H_2}$
- ✓$NaCN$
- C$NaN{O_2}$
- D$NaN{O_3}$
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Statement $-I :$ Retardation factor $\left( R _{ f }\right)$ can be measured in meter/centimeter.
Statement $-II :$ $R _{ f }$ value of a compound remains constant in all solvents.
Choose the most appropriate answer from the options given below
$(A)$ $\mathrm{O}$ $(B)$ $\mathrm{N}$ $(C)$ Be $(D)$ $\mathrm{F}$ $(E)$ $B$
Choose the correct answer from the options given below :
