List of top Chemistry Questions on Organic Chemistry asked in NEET (UG)

Arrange the following in increasing order of stability:- $\left(a\right) \left(CH_{3}\right)_{2}C^{^{\oplus}}-CH_{2}-CH_{3} \quad\left(b\right) \left(CH_{3}\right)_{3}C^{^{\oplus}}$ $\left(c\right) \left(CH_{3}\right)_{2}C^{^{\oplus}}H \quad\quad\quad\quad\quad\quad\quad\left(d\right) CH_{3} C^{^{\oplus}}H_{2}$ $\left(e\right)C^{^{\oplus}}H_{3}$
The structure of isobutyl group in an organic compound is :-
What is the hybridisation state of benzyl carbonium ? :-
Which of the following species is not electrophilic in nature ?
Base strength of (i) $h_3C \, {C} ^{\ominus} H_2$ (ii) $H_2 C= {C}^{\ominus} H$ (iii) $H-C \equiv C^{\ominus} $ is in the order of
-The stability of carbanions in the following (i) $RC \equiv {C}^{\ominus}$ (iii) $R_2C = {CH}^{\ominus}$ (iv) $R_3C = {CH_2}^{\ominus}$ , is in the order of
For the following: (a) $I^-$ (b) $Cl^-$ (c) $Br^-$ The increasing order of nucleophilicity would be:
The IUPAC name of   2,3-dimethylpentanoyl chloride is :

Which amongst the following is the most stable carbocation?

Names of some compounds are given. Which one is not correct in IUPAC system ?
The major organic product formed from the following reaction:
(i)CH3NH2 / (ii) LiAlH4 (ii) H2o
Which one of the following pairs represents stereoisomerism ?
The best method for the separation of naphthalene and benzoic acid from their mixture is
Electrolytic reduction of nitrobenzene weakly acidic medium gives:
Which of the following does not have a metal-carbon bond
Among the following, the pair in which the two species are not isostructural is
Which one of the following can be oxidised to the corresponding carbonyl compound
Ionic radii are
The –OH group of an alcohol or the carboxylic acid can be replaced by – Cl, using
Aniline, when diazotized in cold and then treated with dimethyl aniline, gives a colored product. Its structure would be
The maximum number of molecules is present in
Number of chiral carbons in β–D–(+)– glucose is

Which is the best description of the behavior of bromine in the reaction given below:- H2O + Br2 \(\rightarrow\) HOBr + HBr

Using anhydrous AlCl3 as catalyst, which one of the following reactions produces ethylbenzene (PhEt)

The molecular formula of diphenylmethane How many structural isomers are possible when one of the hydrogens is replaced by a chlorine atom