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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$(1)$ Oxidation of glucose with bromine water gives glutamic acid
$(2)$ The two six-membered cyclic hemiacetal forms of $D-(+)$-glucose ard called anomers
$(3)$ Hydrolysis of sucrose gives dextrorotatory glucose and laevorotatory fructose
$(4)$ Monosaccharides cannot be hydrolysed to give polyhydroxy aldehydes and ketones

Product $(C)$ is
$CoCl _{3} . xNH _{3}+ AgNO _{3}( aq ) \rightarrow$
If two equivalents of $AgCl$ precipitate out, then the value of $x$ will be $....$
