Haloalkanes And Haloarenes Test
Haloalkanes And Haloarenes
This is haloalkanes and haloarenes Test-01 for CBSE class 12 Chemistry.. There are 15 questions in this test with each question having around four answer choices.
Questions & Answers
1
The IUPAC name for tertiary butyl iodide is
- A1 – Iodo, 3 – methyl propane
- B4 – Iodobutane
- C2 – Iodobutane
- D2 – Iodo 2-methyl propaneCorrect
2
Give IUPAC names of the following compound:

- A1 – Chloro – 2 – methylbenzene
- B2 – Chlorotoluene
- CO – Chlorotoluene
- DB and DCorrect
3
The position of –Br in the compound in $C{H_3}CH = = CHC\left( {Br} \right){\left( {C{H_3}} \right)_2}$can be classified as
- AAllylCorrect
- BSecondary
- CVinyl
- DAryl
4
The reaction RX + 2Na + RX _______________? R – R + 2NaX is called.
- AFittig reaction
- BWurtz – Fittig reactionCorrect
- CWilliamson’s synthesis
- DSandmeyer’reaction
5
The following $(CH_3)_2CHCH_2CH_2Cl$ $(CH_3)_2CHCH(Cl)CH_3$ $(CH_3)_2C(Cl)CH_2CH_3$ $CH_3CH(CH_2Cl)CH_2CH_3$ are the possible structural isomers expected to be formed if one of the hydrogen atoms is replaced by chlorination. The original compound is
- A${\left( {C{H_3}} \right)_2}CHC{H_3}$
- B$\begin{array}{*{20}{l}} {{{\left( {C{H_3}} \right)}_3}CHC{H_2}C{H_2}C{H_3}} \end{array}$
- C$\begin{array}{*{20}{l}} {{{\left( {C{H_3}} \right)}_2}CHC{H_2}C{H_3}} \end{array}$Correct
- D$\begin{array}{*{20}{l}} {C{H_3}{{\left( {C{H_2}} \right)}_2}C{H_2}C{H_3}} \end{array}$
6
Yield of the following compound is high
- A$\begin{array}{*{20}{l}} {{{\left( {C{H_3}} \right)}_2}C\left( {Cl} \right)C{H_2}C{H_3}\;\;} \end{array}$Correct
- BNone of the above
- C$\begin{array}{*{20}{l}} {{{\left( {C{H_3}} \right)}_2}CHC{H_2}C{H_2}Cl\;\;\;\;\;\;} \end{array}$
- D$\begin{array}{*{20}{l}} {C{H_3}CH\left( {C{H_2}Cl} \right)C{H_2}C{H_3}} \end{array}$
7
For the same alkyl group, an alkyl bromide has a higher boiling point than alkyl fluoride because,
- Athe magnitude of van der Waal forces
- BIodide has more electrons
- Call the below (B, C, D)Correct
- DIodide is bigger in size
8
AgCN reacts with haloalkanes to form isocyanide. Haloalkanes react with KCN to form alkyl cyanides as main product
- AKCN is mainly covalent in nature
- BAgCN provides cyanide ions in solution.
- CKCN provides cyanide ions in solution.Correct
- DAgCN is mainly ionic in nature
9
Bromomethane, Chloromethane, Dibromomethane. 1 – Chloropropane, Isopropyl chloride, 1 – Chlorobutaneare all
- ACompletely soluble in water
- BSlightly soluble in organic solvents
- CCompletely soluble in organic solventsCorrect
- DInsoluble in organic solvents
10
In the reaction, R – X + NaoR’ → ROR’ + X ( – ve ion) The main product formed is
- AAmine
- BAlcohol
- CEtherCorrect
- DEster
11
$CH_3$=$CH_2$$CH_3$ + H – I → $CH_3$$CH_2$$CH_2I$ + $CH_3$$CHICH_3$ (major) This reaction is
- ASandmeyer’s reaction
- BMarkovnikov’s rule.Correct
- Cfree radical halogenations
- DFinkelstein reaction
12
Finkelstein reaction is
- A

- B

- CCorrect

- D

13
In the following reaction, the compound used in the reaction for synthesizing ethyl fluoride is – – – – – +AgF → $H_3C$ – F + AgBr
- A$H_3C$ – Br,electrophilic substitution
- B$H_3C$ – Br ,Swarts reactionCorrect
- C$H_3C$ – Br,Sandmeyer’s reaction
- D$H_3C$ – Br,Free radical fluorination of methane
14
Which compound in the following pair reacts faster in $S_N2$ reaction with $OH^ –$ ? $\begin{gathered} i){\text{ }}C{H_3}Br{\text{ }}or{\text{ }}C{H_3}I \hfill \\ ii){\text{ }}C{H_3}Cl{\text{ }},{\left( {C{H_3}} \right)_3}CCl \hfill \\ \end{gathered}$
- A$CH_3Br$ and $CH_3I$
- B$CH_3Cl$ and $CH_3Br$
- C$CH_3I$ and $CH_3Cl$Correct
- D$CH_3Br$ and ,$(CH_3)_3$ CCl
15

- AGreater to smallerCorrect

- BGreater to smaller

- CGreater to smaller

- DGreater to smaller
