Chemistry Question Bank

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)

In the hydrocarbon, The state of hybridization of carbons 1,3,5 are in the following sequence:

Hybridized carbon atom used in the formation of the compound CH3— CH CH — CH2 — CH3 are:

The hybridization of carbon atoms in C—C single bond of H — C C — CH CH2 is:

Assertion: Ethylene is more reactive than ethane. Reason: Ethylene possess pi bond.

In which bond angle is the highest

The number of isomeric alkenes with molecular formula C6H12 are (PMET 2006)

The IUPAC name of is (AIPMT 2006)

These two conformers exist in a state of dynamic equilibrium. Which one is more stable?

Among these, positional isomers are

I. CH CH CH CH CH II. CH CH CH CH | CH III. CH | CH C CH | CH Among these, chain isomers are

Among these functional isomers are

Which of the following is non-Aromatic? (a) (b) (c)

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)

Which of the following is Aromatic? (a) (b) GENERAL ORGANIC CHEMISTRY (c)