Haloalkanes and Haloarenes — practice questions
122 curated practice questions from Haloalkanes and Haloarenes (Chemistry Class 12, CBSE) — 122 easy. Every question includes the final answer free; step-by-step worked solutions with a free account.
- In the following question, a statement of assertion is followed by a statement of reason. Mark the correct choice…
- Match the column I with column II and mark the appropriate choice. Column I Column II (A) H 2 SO 3 (i) +6, dibasic (B)…
- Which of the following is halogen exchange reaction?
- Which of the following reactions does not take place?
- Identify the products X and Y formed in the following reaction: CH 3 CH 2 CH CH CH 3 + HCl X + Y
- Which of the following reactions is not correctly matched?
- Identify X and Y in the reaction.
- An alkyl halide with molecular formula C 6 H 13 Br on dehydrohalogenation gives two isomeric alkenes X and Y with…
- Which of the following reactions will be give the major and minor products?
- What is the correct observation when Br 2 is treated with NaF, NaCl and NaI taken in three test-tubes labelled as ( X…
- The negative part of the addendum (the molecule to be added) adds on to the carbon atom of the double bond containing…
- Cyanide ion acts as an ambident nucleophile. From which end it acts as a stronger nucleophile in aqueous medium?
- Which of the following is the most reactive towards nucleophilic substitution reaction?
- A mixture of two haloalkanes was treated with sodium metal in ether solution. After the reaction, the product formed…
- Which of the following compounds will have highest melting point?
- Alkyl halides with metallic sodium in dry ether producing
- Arrange the following compounds in decreasing order of their boiling points. (i) CH 3 Br (ii) CH 3 CH 2 Br (iii) CH 3…
- Which of the following does not represent the correct reaction?
- Low density polythene (LDP) is used in the insulation of electricity carrying wires and manufacture of flexible pipes…
- In the following question, a statement of assertion is followed by a statement of reason. Mark the correct choice…
- 2-Chloro-2-methylpropane on reaction with alc. KOH gives X as the major product. X is
- Which of the following structures is enantiomeric with the molecule ( P ) given below
- A mixture of 1-chloropropane and 2-chloropropane when treated with alcoholic KOH gives
- Haloalkanes contain halogen atom(s) attached to the sp 3 hybridised carbon atom of an alkyl group. Identify haloalkane…
- Colour of KI solution containing starch turns blue when chlorine water is added to it. This happens because
- Which of the following names of the organic compounds is not correctly written?
- An organic halogen compound which is used as refrigerant in refrigerators and air conditioners is
- Tertiary alkyl halides are practically inert to substitution by S N 2 mechanism because
- Complete the missing links. CH _ 3 CHBrCH _ 3 alc. KOH X [ Peroxide ] HBr Y CH _ 3 ONa Z
- Which is the correct arrangement of the compounds based on their bond strength?
- Match the column I and column II and mark the appropriate choice. Column I Column II (A) CH 3 (CH 2 ) 3 OH (i) CH 3…
- Few polymers are matched with their uses. Point out the wrong match.
- On treating a mixture of two alkyl halides with sodium metal in dry ether, 2-methylpropane was obtained. The alkyl…
- Chlorobenzene can be converted into phenol by heating in aqueous sodium hydroxide solution at a temperature of 623 K…
- Which of the following statements is not correct about S N 2 reactions of alkyl halides?
- Alkyl halides are formed when thionyl chloride and _________ are refluxed in presence of pyridine. The order of…
- Among the choices of alkyl bromide, the least reactive bromide in S N 2 reaction is
- Match the column I and column II and mark the appropriate choice. Column I Column II (A) CH 3 CHCl 2 (i) Vinyl halide…
- Grignard reagent, a very useful starting compound for a number of organic reactions can be prepared by
- Identify X , Y and Z in the given sequence of reactions.
- Match the column I with column II and mark the appropriate choice. Column I Column II (A) Carbon tetrachloride (i)…
- Aryl halides are less reactive towards nucleophilic substitution reactions as compared to alkyl halides due to
- Which of the following is most reactive towards aqueous NaOH?
- In the clathrates of xenon with water the nature of bonding in Xe and H 2 O molecule is
- The ease of dehydrohalogenation of alkyl halide with alcoholic KOH is
- Tertiary butyl alcohol gives tertiary butyl chloride on treatment with
- Anisole on reaction with chloromethane in presence of anhydrous AlCl 3 gives
- Match the column I with column II and mark the appropriate choice. Column II Column II (A) Finkelstein reaction (i) C 6…
- Match the column I with column II and mark the appropriate choice. Column I Column II (A) (i) CH 3 CH 2 CH 2 Br (B)…
- In S N 2 reactions the sequence of bond breaking and bond formation is as follows
- Identify the products ( A ) and ( B ) in the reactions. RX + AgCN ( A ) + Ag X ; RX + KCN ( B ) + K X
- Which of the following alkyl halides undergoes hydrolysis with aqueous KOH at the fastest rate?
- Which of the following is the proper method to prepare n -hexane from n -propyl alcohol? CH 3 CH 2 CH 2 OH CH 3 CH 2 CH…
- Find the product of the given reaction.
- Which alkyl halide is preferentially hydrolysed by S N 1 mechanism?
- Arrange the following compounds in order of their reactivity towards S N 2 reaction. (i) CH 3 (CH 2 ) 3 CH 2 Br (ii)…
- Identify the product of the following reaction. ClCH 2 CH 2 CH 2 Br + KCN Product
- Which of the following molecules has highest dipole moment?
- Consider the following reaction: The reaction proceeds with 98% racemisation. The reaction may follow
- Which of the following alkyl halides will undergo S N 1 reaction most readily?
- Ethyl alcohol is obtained when ethyl chloride is boiled with
- Among the following molecules (i) XeO 3 (ii) XeOF 4 (iii) XeF 6 those having same number of lone pairs on Xe are
- Halogen acids react with alcohols to form alkyl halides. The reaction follows a nucleophilic substitution mechanism…
- Classify the following compounds as primary, secondary and tertiary halides. (i) 1-Bromobut-2-ene (ii)…
- Alkyl halides are immiscible in water though they are polar because
- cis -Polyisoprene possesses elastic property because
- Which of the following is an example of vic -dihalide?
- How many P – O – P bonds appear in cyclic metaphosphoric acid?
- For the reaction C 2 H 5 OH + H X → C 2 H 5 X + H 2 O; the order of reactivity is
- The IUPAC name of the compound is
- In the reaction given below : + Cl – Which of the following statements is correct?
- Which of the following is not correctly matched with its IUPAC name?
- Which of the following haloalkanes reacts with aqueous KOH most easily?
- Which of the following will give enantiomeric pair on reaction with water due to presence of asymmetric carbon atom?
- Identify the products ( A ) and ( B ). (i) (ii)
- In the given reaction what will be the final product?
- Complete the given equations (i) (ii) Cu +8 HNO _ 3 3 Cu ( NO _ 3 )_ 2 + +4 H _ 2 O (iii) (excess) 8 NH _ 3 +3 Cl _ 2 +…
- A compound X with molecular formula C 7 H 8 is treated with Cl 2 in presence of FeCl 3 . Which of the following…
- The product ‘ D ’ in the following sequence of reactions is
- The IUPAC name of (CH 3 ) 2 CH CH 2 CH 2 Br is
- Primary alkyl halide C 4 H 9 Br( X ) reacts with alc. KOH to give compound ( Y ). ( Y ) reacts with HBr to give…
- Methyl bromide reacts with AgF to give methyl fluoride and silver bromide. This reaction is called
- Among the isomers of C 5 H 11 Cl, the one which is chiral is (i) (ii) (iii) (iv)
- Study the following sequence of reaction and identify the compounds ( X ) and ( Y ).
- X in the reaction is
- In the given reactions, X and Y are
- Which of the following is the correct IUPAC name for ?
- In the following question, a statement of assertion is followed by a statement of reason. Mark the correct choice…
- In the following pairs of halogen compounds, which compound undergoes faster S N 1 reaction? (i) and (ii) and
- The main difference in C X bond of a haloalkane and haloarene is
- Assertion : Teflon is used for making oil seals, gaskets and non-stick surface coating. Reason : Teflon is chemically…
- The order of reactivity of following alcohols with halogen acids is (i) CH 3 CH 2 CH 2 OH (ii) (iii)
- Grignard reagents are formed by the reaction of alkyl halides by warming
- Which of the following methods can be used to carry out the following conversions?
- Which of the following compounds can yield only one monochlorinated product upon free radical chlorination?
- Identify the products X and Y in the given reaction,
- Compounds ( A ) and ( C ) in the following reactions are
- The end product ( Q ) in the following sequence of reactions is
- Which of the following reactions follows Markovnikov’s rule?
- Consider the following reaction and identify X and Y . CH 3 CH 2 CH 2 I X Y
- Arrange the following alkyl halides in order of dehydrohalogenation; C 2 H 5 I, C 2 H 5 Cl, C 2 H 5 Br, C 2 H 5 F
- Which of the following haloalkanes is most reactive?
- Fill up the blanks with suitable reagents to show synthesis of polyvinyl chloride.
- Match the column I with column II and mark the appropriate choice. Column I Column II (A) H 2 SO 4 (i) Highest electron…
- Match the column I with column II and mark the appropriate choice. Column I Column II (A) (i) Coupling reaction (B)…
- The element of group 17 whose half life is in milliseconds only is
- Match the reactions given in column I with the type of reaction mentioned in column II and mark the appropriate choice…
- The order of reactivity of various alkyl halides towards nucleophilic substitution follows the order
- Which of the following halides is not correct according to the name and classification?
- Match the isomers given in column I with their names given in column II and mark the appropriate choice. Column I…
- In the following question, a statement of assertion is followed by a statement of reason. Mark the correct choice…
- Identify X , Y and Z in the given reaction:
- In the reaction, X is
- In the following reactions, (i) (ii) A [ in absence of peroxide ] HBr , dark [ array c Major product array ] C + Minor…
- Which of the following products as shown by the dehydrohalogenation of alkyl halides with sodium ethoxide in ethanol is…
- An alkyl halide, RX reacts with KCN to give propane nitrile. RX is
- Which of the following alkyl halides is hydrolysed by S N 1 mechanism?
- Which of the carbon atoms present in the molecule given are asymmetric?
- Identify reactant ( X ) in the given reaction sequence.
- Arrange the following compounds in the increasing order of their densities. (i) (ii) (iii) (iv)
- In which of the following molecules carbon atom marked with asterisk (*) is asymmetric? (i) (ii) (iii) (iv)
- Which one of the following is not correct order of boiling points of the alkyl/aryl halides?