Introduction to Alcohols

Q. Total number of chloro derivatives possible for ethane is

Q. Which carbocation is more stable m- methylphenol carbocation Or m- methyl aniline carbocation

Q. In nitration of benzene

1. $H_2{\mathrm{SO}}_4\mathrm{protonates}{\mathrm{HNO}}_3$
2. ${\mathrm{HNO}}_3\mathrm{protonates}{H}_2{\mathrm{SO}}_4$
3. $H_2{\mathrm{SO}}_4\mathrm{protonate}\mathrm{benzene}$
4. ${\mathrm{HNO}}_3\mathrm{protonates}\mathrm{benzene}$

Q. In acidic medium, H2O2 changes Cr2O7^-2 to Cr2O5 which has two (-O-O-) bonds. Oxidation state of Cr in CrO5 is [AIPMT - 2014] (1.) +5 (2.) +3 (3.) +6 (4.) -10

Q. the average oxidation of chlorine in bleaching powder is

Q. Why carbonyl oxygen of carboxylic acid instead of O of OH grp easily get Protonated during esterification

Q. convert ethane into benzene

Q. Total number of chloro derivatives possible for ethane is

Q.

Carbon percentage is maximum in [BHU 1998]

1. Pyrene

2. Gammexane

3. Ethylene glycol

4. PVC

Q. what will be the major product when propyne is treated with aqueous H_2SO_4? Also , convert but-2-ene to ethane

Q. 5.500ml of a hydrocarbon on burning in excess of O2 gave 3000ml of CO2 and 3 l of water vapour .what is formula of hydrocarbon