MCQ
The $IUPAC$ name of the compound $C{H_3} - \mathop {\mathop {CH}\limits_{|\,\,\,\,} }\limits_{C{H_3}} - C{H_2} - C{H_2} - OH$ is
- A$1-$ pentanol
- BPentanol
- C$2-$ methyl $-4-$ butanol
- ✓$3-$ methyl $-1-$ butanol
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Statement $(I)$ : Fusion of $\mathrm{MnO}_2$ with $\mathrm{KOH}$ and an oxidising agent gives dark green $\mathrm{K}_2 \mathrm{MnO}_4$.
Statement $(II)$ : Manganate ion on electrolytic oxidation in alkaline medium gives permanganate ion.
In the light of the above statements, choose the correct answer from the options given below.

${H_2}\left( g \right)\,1atm\,|\,{H^ + }\left( {1M} \right)\,||\,C{u^{2 + }}\left( {1M} \right)\,|\,Cu\left( s \right)$
which of the following statements is true
Reason : The third ionization energy of $Mn$ is larger than that of $Cr$.
Reason : Raoult’s law is a special case of Henry’s law.

