Catalytic Oxidation

Q. But-2-ene on reaction with alkaline $KMn{O}_4$ at elevated temperature followed by acidification will give:

1. 2 molecules of $C{H}_{3}CHO$
2. 
3. one molecule of $C{H}_{3}CHO$ and one molecule of $C{H}_{3}COOH$
4. 2 molecules of $C{H}_{3}COOH$

Q. Which of the following option(s) is correct regarding Barfoed’s Test?

1. It is given by reducing monosaccharides.
2. Reagent used is Cupric acetate and acetic acid
3. A red precipitate is formed.
4. All of the above.

Q. Benzene can be formed by the reaction of phenol with :

1. $N{a}_{2}C{r}_2{O}_7$
2. $NaOH$ and $C{O}_2$
3. $Zn$ dust
4. none of these

Q. Which of the following reagents distinguish ethylene from acetylene?

1. Alkaline $KMn{O}_4$ solution
2. $B{r}_2$ water
3. Ammonical cuprous chloride
4. Chlorine dissolved in $CC{l}_4$

Q.

Which of the following sequence of reactions would
convert tertiary butyl alcohol into 3, 3-dimethylbutan-1-ol?

1. 1: $B{r}_2$ followed by Mg in Ether; 2: Oxirane 3: $H_3{O}^{+}$
2. 1: HBr followed by Mg in Ether; 2: Oxirane 3: $H_3{O}^{+}$
3. 1: HBr followed by Mg in Ether; 2: dioxane 3: $H_3{O}^{+}$
4. None of the above