MCQ
The incorrect statement among the following is
- ✓$C_ {60}$ is an allotropic form of carbon
- B$O_3$ is an allotropic form of oxygen
- C$S_8$ is the only allotropic form of sulphur
- DRed phosphorus is more stable in air than white phosphorus
No. of $\pi-$ bonds $=4$
(b)
No. of $\pi-$ bonds $=4$
Total $\pi-$ bonds $=8$
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$(I)$ $CH_3CH_2CH_2Cl$ $(II)$ $\begin{array}{*{20}{c}} {C{H_2} = CH\,CH\,C{H_3}} \\ {\,\,\,\,\,\,\,\,\,\,|} \\ {\,\,\,\,\,\,\,\,\,\,Cl} \end{array}$
$(III)$ $\begin{array}{*{20}{c}} {C{H_3}C{H_2}\,CH\,C{H_3}} \\ {\,\,\,|} \\ {\,\,\,\,Cl} \end{array}$

| Item $I$ | Item $II$ |
| $A$ Ester test | $P$ Tyr |
| $B$ Carbylamine test | $Q$ Asp |
| $C$ Phthalein dye test | $R$ Ser |
| $S$ Lys |