Haloalkanes and Haloarenes

The major organic compound formed by the reaction of 1, 1, 1- trichloroethane with silver powder is :

In the reaction,
$$\ce{CH3COOH ->[LiAlH4] A ->[PCl5] B ->[Alc. KOH] C},$$
the product C is :

For the compounds $\ce{CH3Cl}$, $\ce{CH3Br}$, $\ce{CH3I}$ and $\ce{CH3F}$, the correct order of increasing C-halogen bond length is :

Allyl phenyl ether can be prepared by heating :

In a nucleophilic substitution reaction :
$$\ce{R-Br + Cl- ->[DMF] R-Cl + Br-},$$
which one of the following undergoes complete inversion of configuration ?

Chlorobenzne reacts with trichloro acetaldehyde in the presence of $\ce{H2SO4}$
$$\ce{2C6H5Cl + H-C(=O)-CCl3 ->[H2SO4]}$$
The major product formed is :

The major product formed when 1, 1, 1 − trichloro - propane is treated with aqueous potassium hydroxide is :

Williamson synthesis of ether is an example of :

KI in acetone, undergoes $\mathrm S_\mathrm N2$ reaction with each of P, Q, R and S. The rates of the reaction vary as

Match the chemical conversions in List I with the appropriate reagents in List II and select the correct answer using the code given below the lists:

The major product of the following reaction is

The total number of alkenes possible by dehydrobromination of 3-bromo-3-cyclopentylhexane using alcoholic KOH is

The synthesis of 3-octyne is achieved by adding a bromoalkane into a mixture of sodium amide and an alkyne. The bromoalkane and alkyne respectively are

Match each of the compounds given in Column I with the reaction(s), that they can undergo, given in Column II.

The major product of the following reaction is

STATEMENT-1: Bromobenzene upon reaction with $\ce{Br2}$/Fe gives 1,4-dibromobenzene as the major product.

and

STATEMENT-2: In bromobenzene, the inductive effect of the bromo group is more dominant than the mesomeric effect in directing the incoming electrophile.

The structure of the product I is

The reagent(s) for the following conversion, 1,2-dibromoethane → ethyne (H-C≡C-H), is/are