19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Given: Which of the given compounds can exhibit tautomerism? (NEET 2015)
The enolic form of ethyl acetoacetate as shown below has (NEET 2015)
Which of the following statements is not correct for a nucleophile? (NEET 2015)
Consider the following compounds: Hyperconjugation occurs in (NEET 2015)
Which among the given molecules can exhibit tautomerism? (NEET-II 2016)
The IUPAC name of the compound is _____. (NEET 2017)
The correct statement regarding electrophile is (NEET 2017)
Which of the following molecules represents the order of hybridisation sp2, sp2, sp, sp from left to right atoms? (NEET 2018)
Which of the following is correct with respect to –I effect of the substituents? (R = alkyl) (NEET 2018)
The number of sigma () and pi ( ) bonds in pent-2- en-4-yne is (NEET 2019)
The most stable carbocation, among the following is (NEET 2019)
A tertiary butyl carbocation is more stable than a secondary butyl carbocation because of which of the following? (NEET 2020)
Dihedral angle of least stable conformer of ethane is (NEET 2021)
The compound which shows metamerism is (NEET 2021)
The correct structure of 2, 6-Dimethyl-dec-4-ene (NEET 2021) (a) (b) (c) (d)
Which of the following is an aromatic compound ? (AFMC 2009) (a) (b) (c) (d)
The number of metamers of the compound with molecular formula C4H10O is (AFMC 2009)
Which is the strongest acid ? (CPMT 2009)
(CPMT 2009) Correct IUPAC name of above compound is
A compound with molecular formula, C H has two tertiary carbons. Its IUPAC name is (AFMC 2009)
IUPAC name of the given compound is (AFMC 2009)
The IUPAC name of the compound having the formula CH C CH CH is (AIPMT 2009)
The state of hybridisation of C2, C3, C5 and C6 of the hydrocarbon, is in the following sequence (AIPMT 2009)
The stability of carbanions in the following (I) RC C Θ (II) (III) R C CH Θ (IV) R C CH Θ is in the order of (AIPMT 2008)
Which of the following is most basic ? (CPMT 2008)