ALKENE AND ALKYNE  (CHEMICAL PROPERTIES AND PREPARATION)

ALKENE AND ALKYNE (CHEMICAL PROPERTIES AND PREPARATION)

Assessment

Assessment

Created by

I Gusti Ayu Devi -

Chemistry

11th Grade

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10 questions

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1.

Multiple Choice

3 mins

1 pt

the major product when 2-pentanol react with concentrated sulphuric acid in 140oC is

1-pentene

methyl ethyl acetylne

dimethylethylene

pent-2-ene

methylpropylacetylene

2.

Multiple Choice

45 sec

1 pt

which statement is not true about preparation of alkene?

we can produce 1-butene by addition of hydrogen to alkane

alkene can be produced by dehydrohalogenation of alkyl halide by using alcoholic base

Lindlar's catalyst is the catalyst that we can used to produced alkene from alkyne by reaction with hydrogen

dehydration of alcohol to produce alkene is kind of elimination reaction

addition of one mol hydrogen to 2-propyne will produce 1-propene

3.

Multiple Choice

45 sec

1 pt

Media Image

Reaction between this compound and two mole of H2 in the presence of Ni catalyst will produce

3-methylbutene

3-methylbutane

2-methylbutane

2-methylbutene

n-butane

4.

Multiple Choice

1 min

1 pt

Reaction between butyne with H2O in the presence of HgSO4 and H2SO4 as catalyst will produce?

aldehyde

enol

alcohol

ketone

diol

5.

Multiple Choice

2 mins

1 pt

Media Image

the result of this reaction is

2,2-dichloro-4,6-dimethyloctane

1,2-dichloro-4,6-dimethyloctane

2,2-dichloro-6-ethyl-4-methylhexane

1,2-dichloro-6-ethyl-4-methylhexane

2,2-dichloro-4,6-dimethylheptane

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