Ans : B (-S-CH3 structure sulphur is present. Sulphur is having lone pair of electrons. Therefore sulphur is act as ortho, para directing group).
Which of the following groups are ortho, para-directing? A)CO2CH3 B) SCH3 18. D)CONH2 )SO3H
In an electrophilic aromatic substitution reaction, which group is both ortho, para directing and ring deactivating? of Select one: O -NH2 O-SO3H O-1 0 -CN O-OCH3
An NH2 substituent in an aromatic ring is: Select one: a. activating ortho-, meta- and para-directing b. deactivating and ortho- and para-directing c. deactivating and meta-directing d. activating and meta-directing e. activating and ortho- and para-directing
Sort the following molecules by whether the substituent group is ortho/para or meta directing for electrophilic aromatic substitution. Sort the following molecules by whether the substituent group is ortho/para or meta directing for electrophilic aromatic substitution.
Map. Sort the following molecules by whether the substituent group is ortho/para or meta directing for electrophilic aromatic substitution. Ortho Para Directing Meta Directing Previous Check Answer Next Exit
Which of the following sets of substituents are all ortho/para directing in electrophilic aromatic substitution reactions? O CN, NO2, COCH3 O CI, OH, CH3 OBr, OH, COCH3 OCI, CH3. CN
Sort the following molecules by whether the substituent group is ortho/para or meta directing for electrophilic aromatic substitution
In an electrophilic aromatic substitution reaction, which group is both ortho, para directing and ring ?deactivating اختر أحد الخيارات CI- CO2H- NO - O NH2- OH-
In an electrophilic aromatic substitution reaction, which group is both ortho, para directing and ring deactivating? Select one: -CIN 0 -NH₂ O NO₂ O-CO₂H
The carboxymethyl group is directing and HNO3 H2SO4 meta; deactivating meta; activating para; activating • ortho; deactivating
Part B Which of the following metal catalysts can switch the selectivity of ortho/para directing substitution to the meta position? Pd Cu Cs NO Submit Request Answer Part A According to Hückel's Rule purine is an aromatic compound. How many electrons are delocalized with its p system? 8 Which one statement is not correct for the addition reaction given below? The product of 1,2-addition is different from the product of 1,4-addition The product of 1,2-addition is the same as the...