MCQ (Single Correct Answer)
The given compound
is an example of _________....
The major product of the following chemical reaction is : ...
The compound which shows metamerism is :
The major product formed in dehydrohalogenation reaction of 2-Bromo pentane is Pent-2-ene. This product formation is based on?
What is the IUPAC name of the organic compound formed in the following chemical reaction?...
Which of the following alkane cannot be made in good yield by Wurtz reaction?
Elimination reaction of 2-Bromo-pentane to form pent-2-ene is :(A) $$\beta $$-Elimination reaction(B) Follows Zaitsev rule(C) Dehydrohalogenation reac...
The compound A on treatment with Na gives
B, and with PCl5
gives C. B and C react together
to give diethyl ether. A, B and C are in the order...
The compound C7H8
undergoes the following
reactions :
The product ‘C’ is...
Identify $$A$$ and predict the type of reaction.
...
Consider the reaction,
CH3CH2CH2Br + NaCN $$ \to $$ CH3CH2CH2CN + NaBr
This reaction will be the fastest in ...
Which of the following biphenyls is optically active ?
The possible stereo-structures of CH3CHOHCOOH, which are optically active, are called
In an SN1 reaction on chiral centers, there is
The reaction of C6H5CH $$=$$ CHCH3 with HBr produces
Which of the following compounds will undergo racemisation when solution of KOH hydrolyses?
...
Given :
I and II are...
In the replacement reaction
The reaction will be most favourable if M happens to be...
Consider the reactions.
The mechanisms of reactions (i) and (ii) are respectively...
In the following reaction
the product 'X' is...
Which one is most reactive towards SN1 reaction?
The correct order of increasing reactivity of
C$$-$$X bond towards nucleophile in the following compounds is ...
Which of the following reactions is an example of nucleophilic substitution reaction?
How many stereoisomers does this molecule have?
CH3CH$$=$$CHCH2CHBrCH3
In a SN2 substitution reaction of the type
R $$-$$ Br + Cl$$-$$ $$\buildrel {DMF} \over
\longrightarrow $$ R$$-$$Cl + Br$$-$$
which one of the foll...
CH3 $$-$$ CHCl $$-$$ CH2 $$-$$ CH3 has a chiral centre. Which one of the following represents its R-configuration?
If there is no rotation of plane polarised light by a compound in a specific solvent, through to be chiral, it may mean than
Which of the following is not chiral?
Which of the following is least reactive in a nucleophilic sibstitution reaction?
Which of the following pairs of compounds are enantiomers?
Reactivity order of halides for dehydrologenation is
Z in the above reaction sequence is ...
A compound of molecular formula C7H16 shows optical isomerism, compound will be
An organic compound A(C4H9Cl) on reaction with Na/diethyl ether gives a hydrocarbon which on monochlorination gives only one chloro derivative then, A...
obtained by chlorination of n-butane will be...