Which chloro derivative of benzene among the following would undergo hydrolysis most readily with aqueous NaOH to furnish the corresponding hydroxy derivative?
C6H5Cl
Which would be least reactive towards bromine?
Nitrobenzene
Anisole
Phenol
Chlorobenzene
Chlorobenzene is prepared commercially by:
Grignard reaction
Raschig process
Wurtz-Fittig reaction
Friedel-Crafts reaction
AgNO3(aq) gives yellow ppt. with:
KIO3 (aq)
KI (aq)
CHI3
CH2I2
Which of the following can be used as the halide component for Friedel-Crafts reaction?
Bromobenzene
Chloroethene
Isopropyl chloride
In the given reaction
the product P is
Consider the reaction
CH3CH2CH2Br + NaCN →CH3CH2CH2CN + NaBr
This reaction will be the fastest in
ethanol
methanol
N,N'-dimethylformamide (DMF)
water
The compound that will react most readily with gaseous bromine has the formula ?
C2H2
C4H10
C2H4
The reaction of C6H5CH=CHCH3 with HBr produces
Which one is the most reactive toward SN1 reaction?
C6H5CH(C6H5)Br
C6H5CH(CH3)Br
C6H5C(CH3)(C6H5)Br
C6H5CH2Br
In SN2 substitution reaction of the type
R - Br + Cl- →DMFR - Cl + Br-,
Which one of the following has the highest relative rate ?
CH3-CH2-CH2Br
CH3-C|CH3H-CH2Br
CH3-C|CH3CH3|-CH2Br
CH3CH2Br
For the following reactions,
Which of the following biphenyls is optically active?
The correct statement among the following regarding SN1 reaction is -
100% racemisation
Inversion more than retention leading to partial racemisation
100% retention
100% Inversion
A compound among the following undergoes racemisation upon hydrolysis with aquous KOH is -i.
ii. CH3CH2CH2Cl
iii. CH3-CH|CH3-CH2Cl
iv. CH3-CH|Cl-C2H5
(i) and (ii)
(ii) and (iv)
(iv) only
(i) and (iv)
CH3-Br→KCNA→H3O+B→etherLiAlH4C The end product (C) in the above mentioned reaction is -
Acetone
Methane
Acetaldehyde
Ethyl alcohol
The correct sequence of increasing reactivity of C-X bond towards nucleophile in the following compounds is -
I<II<IV<III
II<III<I<IV
IV<III<I<II
III<II<I<IV
The reaction that cannot form new carbon-carbon bonds is -
Reimer-Tiemann reaction
Cannizaro reaction
Wurtz reaction
Friedel-Crafts acylation
The hydrolysis reaction that takes place at the slowest rate among the following is-
H3CCH2Cl→aq. NaOHH3CCH2OH
H2C=CHCH2Cl→aq. NaOHH2C=CHCH2OH
The major product of the above reaction is-
→NaI/AcetoneProduct
Which of the following is not product of above reaction?
Product A is
Which of the following compound would not give an E2 product when treated with sodium ethoxide?
In which reaction product formation does not take place by Hofmann's Rule?
CH3-CH2 - CH-CH3 →∆t-BuOΘK⊕ | Br
CH3 - CH2 - CH-CH3 →∆C2H3OK | F
CH3 - CH2 - CH-CH3 →∆CH3O-K+ | I
CH3 - CH2 - CH-N⊕(CH3)3I- →∆OH- | CH3 -
Which of the following reacts with chloroform and base to form phenyl isocyanide?
Aniline
In which of the following compounds, the C—Cl bond ionization shall give the most stable carbonium ion?
An alkyl halide that has maximum density is -
C3H7I
C2H5I
CH3I
CH3Br
PCI5 reacts with propanone, to give:
gem-Dichloride
vic-Dichloride
Propanal
Propane chloride
C2H5Cl+AgF→C2H5F+AgCl
Above reaction is known as-
Finkelstein reaction
Swarts reaction
Hunsdiecker reaction
HVZ reaction
For SN1 reaction, preferred solvent will be -
Water
Benzene
Ether
Toluene
Please disable the adBlock and continue. Thank you.