Practice free Halkoarenes & Haloarenes (Chemistry) NEET multiple-choice questions online with instant answers and detailed explanations. No login required.
Which fully fluorinated compounds are being considered as potential blood substitutes in surgery?
The NCERT text mentions: 'Certain fully fluorinated compounds are being considered as potential blood substitutes in surgery.'
What is the classification of compounds where halogen atoms are bonded to an $sp^3$-hybridized carbon atom adjacent to a carbon-carbon double bond?
The NCERT text defines 'Allylic halides' as 'compounds in which the halogen atom is bonded to an $sp^3$-hybridised carbon atom adjacent to carbon-carbon double bond (C=C)'.
Which type of haloalkane classification includes compounds where the halogen atom is bonded to an $sp^3$-hybridised carbon atom that is attached to an aromatic ring?
According to the NCERT text, 'Benzylic halides' are 'compounds in which the halogen atom is bonded to an $sp^3$-hybridised carbon atom attached to an aromatic ring'.
Identify the compound which is a polyhalogen derivative of methane.
Methane is CH$_4$. CH$_2$Cl$_2$ (dichloromethane) contains two halogen atoms and is therefore a dihalogen compound, which falls under the broader category of polyhalogen compounds.
Which of the following IUPAC names represents a polyhalogen compound?
1,2-Dibromoethane contains two bromine atoms, making it a dihalogen compound, and thus a polyhalogen compound. The others are monohalogen compounds.
The general formula for a homologous series of alkyl halides is:
The NCERT text states that alkyl halides form a homologous series represented by '$C_nH_{2n+1}X$'.
Why are the boiling points of organohalogen compounds comparatively higher than the corresponding hydrocarbons?
The NCERT text explains: 'The boiling points of organohalogen compounds are comparatively higher than the corresponding hydrocarbons because of strong dipole-dipole and van der Waals forces of attraction.'
Chloramphenicol, a chlorine-containing antibiotic, is produced by microorganisms and is effective for treating:
The NCERT text mentions: 'Chlorine containing antibiotic, chloramphenicol, produced by microorganisms is very effective for the treatment of typhoid fever'.
What is the classification of dihalo-compounds where both halogen atoms are present on the same carbon atom of the aliphatic chain?
The NCERT text states: 'The dihalo-compounds having both the halogen atoms are further classified as geminal halides or gem-dihalides when both the halogen atoms are present on the same carbon atom of the aliphatic chain.'
Many volatile halogen compounds possess what distinct physical property?
The NCERT text states: 'Many volatile halogen compounds have sweet smell.'
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