131.

Match List-I with List-II and select the correct answer using the codes given below.

List I (IUPAC name of compound)	List II (common name of compound)
A. Propanone	1. Dimethyl acetylene
B. Trichloromethane	2. Methyl acetic acid
C. Propanoic acid	3. Chloroform
D. But-2-yne	4. Acetone

• A  B  C  D

  1  2  3  4

• A  B  C  D

  4  3  2  1

• A  B  C  D

  3  4  1  2

• A  B  C  D

  1  3  2  4

Which of the following statements is incorrect regarding benzyl chloride?

• It gives white precipitate with alcoholic AgNO₃

• It is an aromatic compound with substitution in the side chain

• It undergoes nucleophilic substitution reaction

• It is less reactive than vinyl chloride

The order of reactivities of methyl halides in the formation of Grignard reagent is

• CH₃I > CH₃Br > CH₃Cl

• CH₃Cl > CH₃Br > CH₃I

• CH₃Br > CH₃Cl > CH₃I

• CH₃Br > CH₃I > CH₃Cl

Which one of the following compounds gives trichloromethane on distilling with bleaching powder?

• Methanal

• Phenol

• Ethanol

• Methanol

Which of the following haloalkanes is most reactive?

• 1-chloropropane

• 1-bromopropane

• 2-chloropropane

• 2-bromopropane

Grignard reagent adds to

• >C = O

• -C ≡ N

• >C = S

• All of these

Decomposition of benzene diazonium chloride by using Cu₂Cl₂/ HCl to form chlorobenzene is

• Raschig's reaction

• Sandmeyer's reaction

• Kolbe's reaction

• Cannizaro's reaction

In electrophilic aromatic substitution reaction, the nitro group is meta directing because it

• decreases electron density at ortho and para positions

• decreases electron density at meta position

• increases electron density at meta position

• increases electron density at ortho and para positions

Reaction of methyl bromide with aqueous sodium hydroxide involves

• racemisation

• S_N 1 mechanism

• retention of configuration

• S_N 2 mechanism

Identify B and D in the following sequence of reactions

• methanol and bromoethane

• ethyl hydrogen sulphate and alcoholic KOH

• ethyl hydrogen sulphate and aqueous KOH

• ethanol and alcoholic KOH