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(A) : Acetylene is used in oxyacetylene ...

(A) : Acetylene is used in oxyacetylene flame
(R ) : The heat of combustion of acetylene is more than that of ethane or ethylene

A

A and R are true, R explains A

B

A and R are true, R does not explain A

C

A is true, but R is false

D

A is false, but R is true'

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-ACYCLIC HYDROCARBONS -OBJECTIVE EXERCISE - 1
  1. The reductive ozonolysis product of acetylene is

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  2. Hybridisation of triply bonded carbons, carbon-carbon triple bond leng...

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  3. Alkynes exhibit A) Chain isomerism B) Position isomerism C) Func...

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  4. (A) : Acetylene reacts with ammonical cuprous chloride to form red pre...

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  5. HC-=CHoverset("Tollen's regent")rarrA 'A' is white precipitate. It's m...

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  6. When alkyl substituted acetylene undergoes addition with hydrogen in p...

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  7. The reagent used for getting trans alkene from alkyl substituted acety...

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  8. The acidic nature of hydrogens in acetylene can be explained by the re...

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  9. In the following reaction, what is X? C(2)H(2)underset(HgSO(4),H(2)S...

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  10. The reagent used for converting acetylene to oxalic acid is

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  11. When R-C-=CH is treated with cuprous in ammonical medium, product form...

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  12. {:(ul"Compound",ul"Ozonolysis products"),("A) Acetylene","1) Formaldeh...

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  13. HC-=CHoverset("Excess Na")rarrAoverset("Excess "CH(3)Cl)rarrB. The f...

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  14. Which of the following cannot give precipitate with cuprous ammonium c...

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  15. (A) : Acetylene is used in oxyacetylene flame (R ) : The heat of com...

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  16. X+2KOHoverset("Alcohol")rarrH-C-=C-H Here the reactant ''X' is

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  17. CH(2)Br-CH(2)Brunderset("KOH")overset("Alcoholic")rarrX Xoverset(NaN...

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  18. Acetylene is produced by the action of water on

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  19. The homologue of ethyne is

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  20. In the reaction, CH3-underset(CH3)underset(|)overset(CH3)overset(|)C-...

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