What is cis-trans isomerism? from Chemistry Hydrocarbons

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 Multiple Choice QuestionsShort Answer Type

21.

Complete the following reaction:

CH subscript 3 space minus space CH space equals space CH subscript 2 space plus space HCl space space rightwards arrow from peroxide to Organic of

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22.

What is Lindlar's catalyst? What for is it used?

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23.

Ozonolysis of the alkene [X] followed by decomposition of the ozonide with water and a reducing agent gave a mixture of acetone and formaldehyde. Write down the structure of alkene[X].

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24.

Which compound on polymerisation gives Teflon?

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25.

Give the structure of alkene (C4H8) which adds on the HBr in the absence or presence of peroxide to give the same product, C4H9Br.

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26.

What is teflon? What for is it used?

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27.

How will you detect the presence of unsaturation in an organic compound?

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28.

What is cis-trans isomerism?


The stereoisomerism arising due to restricted rotation of bonds is called cis-trans isomerism. The isomer which has similar groups on the same side of the double bond is called cis isomer and the isomer which has same groups on the opposite side of the double bond and is known as trans form.

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29.

Which one of the following do not exhibit geometrical isomerism?
(i) Pentene-1         (ii) Butene-2
(iii) Isobutylene     (iv) 3, 4-Dimethyl- 3-hexene.

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30.

What happens when water is dropped over calcium carbide?

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