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trans-2-Butene +Br(2) gives:...

trans-2-Butene `+Br_(2)` gives:

A

B

C

D

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The correct Answer is:
A
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Find out the total number of major products (including stereoisomers) are obtained in each of the following reactions. (a) cis-3-heptene +Br_(2) rarr x (b) trans-3-heptene + Br_(2) rarr y (c) trans-3-hexene + Br_(2)rarrz Find the value of (x + y + z) ?

The addtion of Br_(3) to trans-2-butene produces

Assertion : trans -2- Butene on reaction with Br_(2) gives meso -2,3- dibromobutane. Reason : The reaction involves syn - addition of bromine.

Addition of Br_(2) to trans-2-butene would give a product which is:

Addition of BH_(3) followed by H_(2)O_(2) to trans-2-butene would give a product which is:

The common characteristics of cis-2-butene and trans-2- butene is (A) Solubility (B) Melting point and boiling point (C) Heat of hydrogenation (D) Product of hydrogenation

Give the products of the following : a. Cyclohexene +CH_(2)N_(2)+hv b. trans -2- Butene +CHCI_(3)+KOH c. cis -2- Butene +HCBr_(2)CI+KOH d. trans -2- Butene +HCBr_(2)CI+KOH e. 3-Methycyclopentene +CH_(2)I_(2)+Zn//c u (couple) (Simmons - Smith reactions) f.

(a) Give the decreasing order of stabilities of the following alkenes : (i) Ethene, (ii) Propene, (iii) cis-2- butene (iv) trans-2-Butene (v) 2- Methy1-2-butene, (vi) 2,3- Dimethy1-2-butene (b) Give the decreasing order of reactivity of the above alkenes. ( c) Give the product of the following reaction : Me_(2)CHCH_(2)CH_(2)OH overset("Dehydration")underset("Conc"H_(2)SO_(4)(160-170^(@)C))rarrunderset(-H_(2)O)(A)

OP TANDON-UNSATURATED HYDROCARBONS-OBJECTIVE QUESTIONS
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  3. trans-2-Butene +Br(2) gives:

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  4. In the reaction with HCl, an alkene reacts in accordance with Markowni...

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  5. Which of the following reagents, which heated with ethyl chloride, for...

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  6. Ozonolysis products of an olefin are OHC-CHO and OHC-CH(2)-CH(2)-CHO, ...

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  7. What is formed when calcium carbide reacts with heavy water?

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  8. A molecule (X) has (i) four sigma bonds formed by hte overlap of sp^(2...

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  9. RCH=CH(2) overset(Na//NH(2)(l))underset(C(2)H(5)OH)to RCH(2)CH(3) Th...

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  10. CH(3)CH=CH(2)+NOClrarrP Identify the product.

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  11. Identitfy 'B' in the following reactions: H(2)C=CH(2)+HCl overset("A...

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  12. The product C is CH(3).CH(2).C-=CH+HCl rarrBoverset(HI)rarrC

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  13. CaC(2)+H(2)O to (X) overset(O(3)//H(2)O)toHCOOH, (X) is:

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  14. B overset(Lindlar's)underset(Catalyst)larrR-C=C-Roverset(Na//Nh(3))rar...

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  15. The reagent(s) for the following conversion, is/are:

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  16. Arrange the following according to the increasing order of stability: ...

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  17. Identify the products in the following reaction 3CH(3)CH=CH(2)overse...

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  18. A hydrocarbon of molecular formula, C(6)H(10) reacts with sodamine and...

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  19. 2,3-Dimethyl-2-butene can be prepared by heating which of the followin...

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  20. What will be the increasing order of the stability of the following al...

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