A Chloro compound (A) showed the following properties: (a) decolourised bromine water (b) absorbed hydrogen catalytically (C) gives precipitate with c

Question

A Chloro compound (A) showed the following properties: (a) decolourised bromine water (b) absorbed hydrogen catalytically (C) gives precipitate with c

A Chloro compound (A) showed the following properties:
(a) decolourised bromine water (b) absorbed hydrogen catalytically (C) gives precipitate with cuprous chloride, (d) when vaporized 1.49 g of (A) gave 448 mL of vapours at STP. Identify (A) and write down the reactions involved.

Monjur Alahi

7 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

First two properties indicate the compound is unsaturated. The third shows that the compound has =CH grouping.
`" Molecular mass "=(22400xx 1.49)/(448) =74.5`
Let the formula of the compound be `RCIC-=CH` i.e.,
`R+35.5 +25=74.5`
`R=14(CH_(2))`
The compound is `underset(CI)underset(|)CH_(2)-C-=CH`(3-Chloropropyne)

7 views Answered 2023-02-05 15:29