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Nitrocompounds
q/a
Question | Answer |
---|---|
Functional isomer of Nitroalkane(R-NO2) is? | Alkyl Nitrite (R-O-N=O) |
No. of acidic hydrogen in Primary nitroalkane? | 2 |
No. of acidic hydrogen in Secondary nitroalkane? | 1 |
No. of acidic hydrogen in Tertiary nitroalkane? | 0 |
Which class of nitro alkane doesn't dissolve in NaOH? | Tertiary--> absence of acidic hydrogen |
Which class of nitro alkane doesn't exhibit tautomerism? | Tertiary--> absence of acidic hydrogen |
Tautomers of Nitroalkane? | Nitro form and Aci form |
Grignard's reagent reacts with aci-form of nitroalkane to give? | alkane |
Alkyl Nitrite is used for? | Dilation of blood vessels Reduce hypertension |
How is nitroalkane prepared? | R-X +AgNO2 ---Δ---> R-NO2 +Ag-X |
What happens when alkyl chloride is treated with KNO2? | Alkyl nitrite is formed (RONO) |
What happens when alkyl chloride is treated with AgNO2? | 70-80% Alkyl Nitrate 10-15% Alkyl nitrite |
Reduction of nitroalkane in acidic medium (Zn/HCl) gives? | Amine |
Reduction of Nitrobenzene gives? (exception) | Azobenzene (C6H5N=NC6H5) |
Reduction of nitroalkane in neutral medium (Zn/NH4Cl) gives? | Hydroxylamine |
Reduction of nitrobenzene in alkaline medium (Zn/ NaOH) gives? | Hydrazo benzene (C6H5-NH-NH-C6H5) |
Reduction of nitrobenzene in alkaline medium (Zn/ NaOH/CH3OH) gives? | Azobenzene (C5H5-N=N-C6H5) |
Reduction of nitrobenzene in alkaline medium (glucose/ NaOH) gives? | Azoxy benzene (C6H5-N=(N-->O)-C6H5 |
Electrolytic reduction of Nitrobenzene in weakly acidic medium gives? | Aniline |
Electrolytic reduction of Nitrobenzene is strongly acidic medium gives? | Phenyl Hydroxylamine ---- rearrangement ----> p-amino phenol |
What happens when 1. 3 dinitro benzene is treated with Na2S/ (NH4)2S? | 3 nitro aniline is formed (Na2S/ (NH4)2S is a selective reducing agent |
What happens when 1. 3 dinitro benzene is treated with Zn/ HCl? | 1,3 phenylenediamine is formed |
Reduction of nitrobenzene in acidic medium gives? | Aniline |
Reduction of Nitrobenzene in neutral medium gives? | Phenyl Hydroxylamine |