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प्रश्न
What is the action of bromine in alkaline medium on
i. CH3CH2NO2
ii. 
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उत्तर
(a)
(b)
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संबंधित प्रश्न
The preparation of alkyl fluoride from alkyl chloride, in presence of metallic fluorides is known as ______________.
How do you convert the following:
Prop-1-ene to 1-fluoropropane
Write the structure of the major product in each of the following reaction :
Draw the structures of major monohalo products in each of the following reactions :
Draw the structure of major monohalo product in each of the following reactions :
In the following reaction, the compound used in the reaction for synthesizing ethyl fluoride is:
______ \[\ce{+ AgF -> H3C - F + AgBr}\]
The synthesis of alkyl fluorides is best accomplished by ____________.
Gem-dibromide is ____________.
The best method for the conversion of an alcohol into an alkyl chloride is by treating the alcohol with ____________.
Among the following, the most reactive towards alcoholic KOH is:
Which of the following are secondary bromides?
(i) \[\ce{(CH3)2 CHBr}\]
(ii) \[\ce{(CH3)3C CH2Br}\]
(iii) \[\ce{CH3CH(Br)CH2CH3}\]
(iv) \[\ce{(CH3)2 CBrCH2CH3}\]
Alkyl fluorides are synthesised by heating an alkyl chloride/bromide in presence of ______ or ______.
(i) CaF2
(ii) CoF2
(ii) Hg2F2
(iv) NaF
Aryl chlorides and bromides can be easily prepared by electrophilic substitution of arenes with chlorine and bromine respectively in the presence of Lewis acid catalysts. But why does preparation of aryl iodides requires presence of an oxidising agent?
Discuss the role of Lewis acids in the preparation of aryl bromides and chlorides in the dark.
Identify the products A and B formed in the following reaction:
\[\ce{CH3 - CH2 - CH = CH - CH3 + HCl -> A + B}\]
Write down the structure and IUPAC name for neo-pentylbromide.
Match the structures given in Column I with the names in Column II.
| Column I | Column II | |
| (i) |  |
(a) 4-Bromopent-2-ene |
| (ii) |  |
(b) 4-Bromo-3-methylpent-2-ene |
| (iii) |  |
(c) 1-Bromo-2-methylbut-2-ene |
| (iv) |  |
(d) 1-Bromo-2-methylpent-2-ene |
Assertion: Phosphorus chlorides (tri and penta) are preferred over thionyl chloride for the preparation of alkyl chlorides from alcohols.
Reason: Phosphorus chlorides give pure alkyl halides.
Which compound would undergo dehydrohalogenation with strong base to give the alkene shown below as the only alkene product?
CH3 – CH2CH = CH – CH3
Which of the following species is an odd electron intermediate?
The alky halide is converted into an alcohol by
Benzyl chloride (16H5CH2Cl) can be prepared from toluene by chlorination with
Predict the reagent for carrying out the following transformations:
Ethanoic acid to 2-chloroethanoic acid
\[\ce{C2H5Cl + AgF -> C2H5F + AgCl}\] The above reaction is called ______.
In the given reactions sequence, the major product 'C' is:
\[\ce{C8H10 ->[HNO3][H2SO4] A ->[Br2][\Delta] B ->[alcoholic][KOH] C}\]
The decreasing order of reactivity of the following organic molecules towards AgNO3 solution is ______.
- \[\begin{array}{cc}\ce{CH3CHCH3}\\
|\phantom{..}\\\ce{Cl}\phantom{.}\end{array}\] - \[\begin{array}{cc}\ce{CH3CHCH2NO2}\\
|\phantom{......}\\\ce{Cl}\phantom{.....}\end{array}\]
Write the structure of the following organic halogen compound.
1,4-Dibromobut-2-ene
