Cycloalkane formed when 1,4-dibromopenta...

Cycloalkane formed when 1,4-dibromopentane is heated with sodium is:

methyl cyclobutane

cyclopentane

methyl cyclopentane

cyclobutane

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(a) When cis-2,3-dibromopent-2-ene is hydrogenated with H_2//Pt , The product is : (i) Meso-2,3 -Dibromopentane (ii) (+)2,3 -Dibromopentane (iii) (-)2,3 -Dibromopentane (iv) (+-)2,3 -Dibromopentane (b) When trans-2,3-dibromopentane-2-ene is hydrogenated with H_2//Pt . The product is : (i) Meso-2,3 -Dibromopentane (ii) (+)2,3 -Dibromopentane (iii) (-)2,3 -Dibromopentane (iv) (+-)2,3 -Dibromopentane (c) When cis-2,3 -dibromopent-2-ene is hydrogenated with Birch reduction. The product is : (i) Meso-2,3-dibromopentane (ii) (+)2,3 -Dibromopentane (iii) (-)2,3- Dibromopentane (iv) (+-)2,3 -Dibromopentane (d) When trans-2,3-dibromopent-2-ene is hydrogenated with Na + liq. NH_3 + ethanol. The product is : (i) Meso-2,3-dibromopentane (ii) (+)2,3 -Dibromopentane (iii) (-)2,3 -Dibromopentane (iv) (+-)2,3 -Dibromopentane (e) When 2-butyne is reduced with Lindlar's catalyst. The product is : (i) cis-2-Butene (ii) trans-2-Butene (iii) Both (i) and (ii) (iv) None (f) When 2-Butyne is reacted with Na + liq. NH_3 + C_2H_5 OH . The product is : (i) cis-2-Butene (ii) trans-2-Butene (iii) Both (i) and (ii) (iv) None.

OP TANDON-UNSATURATED HYDROCARBONS-(LEVEL B) OBJECTIVE QUESTIONS

The major product formed in the following reactions is:
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Alkyne (A) on catalyst hydration gives only one ketone while alkylne (...
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The catalyst used in the manufactures of polythene by Ziegler-Natta me...
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Intermediate in hydration of alkene is:
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Two organic compound A and B both containing only carbon and hydrogen,...
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In the given reaction, CH(3)-C-=C-CH(3)overset(Na//NH(3)("liq"))to X...
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3,5-dimethyl cyclopentene, on ozonolysis, yeilds:
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A compound C(4)H(8) decolourizes a KMnO(4) solution. How many structur...
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Which of the following will be most acidic?
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The relative stablility of the compounds: (GRBORGCHMP1C07E01260Q01.p...
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Alkenes can be converted to carbonyl compound in one step by:
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Unknown compound (A) on oxidation with hot basic KMnO(4) gives only on...
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Compounds [X] and [Y] are respectively:
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The number of stuctural and configuration isomers of a bromo compound,...
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H(2)C=CH-CH-=CH on reaction with one mole DBr gives:
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Ionic addition of bromine to cis-2-butene yields:
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5-oxohexanal is obtained by ozonolysis of:
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Cycloalkane formed when 1,4-dibromopentane is heated with sodium is:
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An optically active compound having molecular formula C(8)H(16) on ozo...
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The product (A) is:
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