The number of moles of proton which can be easily given by butyne

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

131.

CO2 gas obtained by the combustion of 12 mL butane gas is

  • 3 mL

  • 12 mL

  • 24 mL

  • 48 mL


132.

LPG is a mixture of

  • C6H12 + C6H6

  • C4H10 + C3H8

  • C2H4 + C2H2

  • C2H4 + CH4


133.

Alkene which on ozonolysis yields acetone, is

  • CH2=CH-CH2-CH3

  • CH3-CH=CH2

  • CH3-CH=CH-CH3

  • (CH3)2-C=C-(CH3)2


134.

In chlorination benzene, the reactive species is

  • Cl+

  • Cl-

  • Cl2

  • Cl2-


Advertisement
Advertisement

135.

The number of moles of proton which can be easily given by butyne-1 (1 mole) is

  • 1

  • 2

  • 3

  • 6


A.

1

The structure of butyne-1 is given below

H-C≡C-CH2-CH3

If triple bond bearing carbon attached with hydrogen, such hydrogen is acidic in nature. Number of this type of hydrogen present in butyne-1 is one.


Advertisement
136.

The addition of HBr is easiest with

  • CH2=CHCl

  • ClCH=CHCl

  • CH3-CH=CH2

  • (CH3)2C=CH2


137.

The reaction

CH2 = CH2 + H2 250 - 300°CNi CH3-CH3 is called

  • Wurtz reaction

  • Kolbe's reaction

  • Sabatier-Senderens reaction

  • Carbylamine reaction


138.

Formation of 2-butene as major product by dehydation of 2-butanol is according to

  • Markownikoff's rule

  • Saytzeff's rule

  • Peroxide effect

  • Anti-Markownikoffs rule


Advertisement
139.

Acetic acid dissolved in benzene shows molecular weight

  • 60

  • 120

  • 180

  • 240


140.

Ethene gives with acidic KMnO4 solution

  • ethylene glycol

  • ethylene oxide

  • formaldehyde

  • acetaldehyde


Advertisement