Basics of Organic Chemistry · Chemistry · JEE Advanced
MCQ (Single Correct Answer)
List - I | List - II |
---|---|
(P) ![]() |
(1) Inversion of configuration |
(Q) ![]() |
(2) Retention of configuration |
(R) ![]() |
(3) Mixture of enantiomers |
(S) ![]() |
(4) Mixture of structural isomers |
(5) Mixture of diastereomers |
Column J Molecule |
Column K BDE (kcal $$mo{l^{ - 1}}$$) |
---|---|
(P) H-CH($$C{H_3}$$)$$_2$$ | (i) 132 |
(Q) H-CH$$_2$$Ph | (ii) 110 |
(R) H-CH=CH$$_2$$ | (iii) 95 |
(S) H-C $$ \equiv $$ CH | (iv) 88 |
CH4(g) + Cl2(g) $$\buildrel {light} \over \longrightarrow $$ CH3Cl(g) + HCl (g)
the correct statement is

Which one of the following options represents identical molecules?
3-ethynyl-2-hydroxy-4-methylhex-3-en-5-ynoic acid?

D-erythrose and its isomers are listed as P, Q, R, and S in Column - I. Choose the correct relationship of P, Q, R, and S with D-erythrose from Column - II.

Isomers of hexane, based on their branching, can be divided into three distinct classes as shown in the figure.
The correct order of their boiling point is
In the following carbocation, H/CH$$_3$$ that is most likely to migrate to the positively charged carbon is :
The correct stability order of the following resonance structures is
The correct acidity order of the following is
The IUPAC name of the following compound is
The correct stability order for the following species is :
Hyperconjugation involves overlapping of the following orbitals:
CH2 = CH $$-$$ CH(CH3)2

Numerical




The total number of stereoisomers that can exist for M is ___________.

When the following aldohexose exists in its D-configuration, the total number of stereoisomers in its pyranose form is ____________.
The total number of contributing structure showing hyper-conjugation (involving C-H bonds) for the following carbocation is _________.
The total number of cyclic structural as well as stereoisomers possible for a compound with the molecular formula C$$_5$$H$$_{10}$$ is ____________.
MCQ (More than One Correct Answer)


Choose the correct statement(s)




Which of the given statement(s) about N, O, P and Q with respect to M is(are) correct?
Which of the following molecules, in pure form, is(are) unstable at room temperature?
Among the given options, the compound(s) in which all the atoms are in one plane in all the possible conformations (if any) is(are)
In the Newman projection for 2,2-dimethylbutane, X and Y can, respectively, be
The correct statement(s) about the compound $$\mathrm{H_3C(HO)HC-CH=CH-CH(OH)CH_3~~(X)}$$ is (are)
The correct statement(s) concerning the structures E, F and G is(are) :