MCQ
Carbide, which react with water to give propyne is
- A$Ca{C_2}$
- B$SiC$
- ✓$M{g_2}{C_3}$
- D$A{l_4}{C_3}$(e)$B{e_2}C$
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$(I)$ both the complexes can be high spin
$(II)$ $Ni(II)$ complex can very rarely be low spin.
$(III)$ with strong field ligands, $Mn(II)$ complexes can be low spin.
$(IV)$ aqueous solution of $Mn ( II )$ ions is yellow in color.
$(II)$ $1,3-$dihydroxy benzene
$(III)$ $1,4-$dihydroxy benzene
$(IV)$ Hydroxy benzene
The increasing order of boiling points of above mentioned alcohols is