Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Hydrocarbons question

2025 · 28 Jan · Shift 2 · Q10
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /Hydrocarbons
  5. /2025 · 28 Jan · Shift 2 · Q10

Hydrocarbons question

2025 · 28 Jan · Shift 2 · Q10

JEE MainChemistryHydrocarbonsMCQ+4 / −1
Identify product [A], [B] and [C] in the following reaction sequence. CH3−C≡CH→H2Pd/C[A]→ (ii) Zn,H2O (i) O3[ B]+[C]\mathrm{CH}_3-\mathrm{C} \equiv \mathrm{CH} \xrightarrow[\mathrm{H}_2]{\mathrm{Pd} / \mathrm{C}}[\mathrm{A}] \xrightarrow[\text { (ii) } \mathrm{Zn}, \mathrm{H}_2 \mathrm{O}]{\text { (i) } \mathrm{O}_3}[\mathrm{~B}]+[\mathrm{C}]CH3​−C≡CHPd/CH2​​[A] (i) O3​ (ii) Zn,H2​O​[ B]+[C]
  1. A
    [A]: CH3CH_3CH3​—CHCHCH=CH2CH_2CH2​, [B]: CH3CHOCH_3CHOCH3​CHO, [C]: CH3CH2OHCH_3CH_2OHCH3​CH2​OH
  2. B
    [A]: CH3CH_3CH3​—CHCHCH=CH2CH_2CH2​, [B]: CH3CHOCH_3CHOCH3​CHO, [C]: HCHOHCHOHCHO
  3. C
    [A]: CH3CH2CH3CH_3CH_2CH_3CH3​CH2​CH3​, [B]: CH3CHOCH_3CHOCH3​CHO, [C]: HCHOHCHOHCHO
  4. D
    JEE Main 2025 (Online) 28th January Evening Shift Chemistry - Hydrocarbons Question 13 English Option 4
PreviousNext

More from Hydrocarbons

  • The sum of sigma (σ) and pi (π) bonds in Hex-1,3-dien-5-yne is ​.2025 · Numerical
  • Total number of sigma (σ) ​ and pi(π) ​ bonds respectively present in hex-1-en-4-yne are:2025 · MCQ
  • Isomeric hydrocarbons → negative Baeyer’s test (Molecular formula C9​H12​) The total number of isomers from above with four different non-aliphatic substitution sites is -2025 · Numerical
  • In the given reactions identify A and B Includes diagram2024 · MCQ
  • Acid D formed in above reaction is : Includes diagram2024 · MCQ
  • In the above chemical reaction sequence "A" and "B" respectively are Includes diagram2024 · MCQ
  • Given below are two statements : Statement I : Nitration of benzene involves the following step - Statement II : Use of Lewis base promotes the electrophilic substitution of benzene. In the light of the above statements, choose the most… Includes diagram2024 · MCQ
  • The major product of the following reaction is P. CH3​C≡C−CH3​ (i) Na /liq. NH3​ (ii) dil. KMnO4​273 K​​…2024 · Numerical