Chemistry - Halogen Derivative Question with Solution | TestHub

ChemistryHalogen DerivativeNUCLEOPHILIC SUBSTITUTION REACTIONS (SN1 AND SN2), SN(NEIGHBOURING GROUP PARTICIPATION), SNIEasy2 minPYQ_2026

ChemistryEasysingle choice

Which of the following compounds is formed when chloroform is exposed to air and light?

Options:

Answer:

Solution:

Chloroform ( $C H C l_{3}$ ) undergoes slow oxidation in the presence of air and light to form a highly poisonous gas called phosgene ( $COC l_{2}$ ).

The chemical equation for this reaction is:

$2 C H C l_{3} + O_{2} h ν 2 COC l_{2} + 2 H Cl$

Thus, phosgene is the compound formed.

Answer: Phosgene.

Stream:MHT_CETSubject:ChemistryTopic:Halogen DerivativeSubtopic:NUCLEOPHILIC SUBSTITUTION REACTIONS (SN1 AND SN2), SN(NEIGHBOURING GROUP PARTICIPATION), SNI

⏱ 2mℹ️ Source: PYQ_2026

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