Action of Zinc on Tetrahalide

Q. 1, 1, 2, 2-tetra bromo ethane on heating with Zn powder in alcohol finally gives:

1. Ethane
2. Methane
3. Ethyne
4. Ethane

Q. To prepare But- 2 - yne from 2, 2, 3, 3- tetrachlorobutane, reagent used is:

1. Zinc dust / $\Delta$
2. Alc. KOH
3. aq. KOH
4. All of the above

Q. The reagent than can be used to distinguish between pent-1-yne and pent-2-yne is :

1. $B{r}_2/CC{l}_4$
2. $KMn{O}_4\left(acidic\right)$
3. $\left[Ag\right(N{H}_3{)}_2]N{O}_3$
4. $O_3/H_{2}O$

Q.

How is zinc made available to plants?

Q. Ethene when treated with $B{r}_2$ in the presence of $CC{l}_4$ which compound is formed

1. 1, 2-dibromoethane
2. 1-bromo-2-chloroethane
3. Both (a) and (b)
4. 1, 1, 1-tribromoethane

Q. Which of the following process is used for extraction of alluminium?

1. Baeyer's Process
2. Dow's process
3. Serpeck's process
4. Hall- Heroult process

Q. Compound 'X' is bubbled through bromine dissolved in $CC{l}_4$ & the product formed is

Q. $Statement$: When 2-butyne reacts with one equivalent of $HBr$ in the presence of peroxide to give trans-2-bromobut-2ene.

Q. Find the total number of test which can be used to differentaite between ethyl alcohol and methyl alcohol.
$1.\text{Fehling test}$
$2.\text{Schiff's reagent}$
$3.\text{Victor Mayer test}$
$4.\text{Lucas test}$
$5.NaOH+I_2$
$6.\text{Reaction with Na Metal}$