Which of the following compounds will give a precipitate with an aqueous ammoniacal solution of copper (l) chloride?

a

CH3 = CHCH3

b

CH3 ≡ CCH3

c

HC = C-CH2CH3

d

CH2 = CH-CH = CH2

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Explanation

Correct Option
b

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Discussions (12)

Nsisatsun
4 years ago

My school you people have done so much

🙇B is actually correct because of the triple bond and also every one here shouldn't complain because only -yne- and carbon (II) oxide are the only substance which react with ammoniacal copper (I) chloride

Fyzkid
10 years ago

The question is wrongly composed:

the answer should be B, because it is only alkyne members that give a precipitate with ammonical copper (1) chloride.

REF: Check newschool chemistry under the test for alkyne

HISWIL
12 years ago

the the answer is wrng. it's the triple bonds only dt forms yellow ppt wif ammonicl coppr [1] chloride. and, dt's wat diffrnt8s double triple bnds frn double bnds!

klintweezy
11 years ago

MYSCHOOL.COM.NG you pipo should check yo answers well and not tell me something i can swear on dat tiz wrong

Myschool Paul
10 years ago

The question has been updated. Thanks for your contribution.

ak379
2 months ago

the options are wrong , how come the terminal carbon has 6 bonds?🫩

timoadewale
11 years ago

I don't tink d and is there,bcos we know alkyne has triple bond however it also has a general 4mula of CnH2n-2

Hayormidae
11 years ago

@myschool.com.ng, you guys should try to give us correct answer,don't make people dislike your website.the correct answer is B, only Alkyne series will give a precipitate with ammoniacal solution

omolojujesu
12 years ago

The correct answer should be B. It is the Alkyne series that precipitate ammoniacal copper(1)chloride not Alkene. In fact, if C is the correct answer, then, A and D are also correct because A,C,D belong to the same series(Alkene)

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