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प्रश्न
Which of the following compounds are gem-dihalides?
(i) Ethylidene chloride
(ii) Ethylene dichloride
(iii) Methylene chloride
(iv) Benzyl chloride
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उत्तर
(i) Ethylidene chloride
(iii) Methylene chloride
Explanation:
Gem-dihalides are those dihalides in which two halogen atoms are bonded to the same carbon atom.
(i) \[\ce{\underset{Ethylidene chloride}{Cl2 - CH - CH3}}\]
(ii) \[\ce{\underset{Ethylene dichloride}{Cl - H2C - CH2 - Cl}}\]
(iii) \[\ce{\underset{Methylene chloride}{CH2Cl2}}\]
(iv)
Benzyl chloride
So, in (i) and (iii) two halogen atoms are present on the same carbon atom and they are termed gem-dihalides.
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संबंधित प्रश्न
Write the structure of the following compound:
4-tert. Butyl-3-iodoheptane
Give the IUPAC name of the following compound:
CH3C(p-ClC6H4)2CH(Br)CH3
Give the IUPAC name of the following compound:
(CH3)3CCH=CClC6H4I-p
How the following conversions can be carried out?
tert-Butyl bromide to isobutyl bromide
Out of 
which is an example of a benzylic halide?
Write the product(s) in the following reactions:
IUPAC name of CH3CH2C(Br) = CH–Cl is ____________.
Ethylene dichloride can be prepared by adding HCl to ____________.
Identify Z in the series:
\[\ce{CH2 = CH2 ->[HBr] X ->[aq. KOH] Y ->[Na2CO3][I2 excess] Z}\]
Give the IUPAC name of the following compound:
\[\ce{(CCl3)3CCl}\]
Give the IUPAC name of the following compound:
ClCH2C≡CCH2Br
Give the IUPAC name of the following compound:
CICH2C ≡ CCH2Br
Write the structure of the following organic halogen compound.
1,4-Dibromobut-2-ene
Write the structure of the following compound:
4-tert-Butyl-3-iodoheptane
Write structure of the following compound:
4-tert. Butyl-3-iodoheptane
Write the structure of the following compound:
1,4-Dibromobut-2-ene
Write the structures of the following organic halogen compound
1,4-Dibromobut-2-ene
Write structure of the following compound:
4-tert. Butyl-3-iodoheptane
Give the IUPAC name of the following compound:
\[\ce{(CCl3)3CCl}\]
Write structure of the following compound:
4-tert. Butyl-3-iodoheptane
