Hydrolysis of phenyl isocyanide forms from Chemistry NEET Year 2

Subject

Chemistry

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

31.

Methanol and ethanol are miscible in water due to

  • covalent character

  • hydrogen bonding character

  • oxygen bonding character

  • None of the above


32.

Freon used as refrigerant is

  • CF2=CF2

  • CH2F2

  • CCl2F2

  • CF4


33.

Lucas reagent is

  • anhy. ZnCl2 and NH3

  • anhy. ZnCl2 and CaCl2

  • anhy. ZnCl2 and conc. HCl

  • anhy. ZnCl2 and conc. HCl gas


34.

The enzyme which can catalyse the conversion of glucose to ethanol is

  • zymase

  • invertase

  • maltase

  • diastase


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35.

Which of the following does not reduce Fehling's solution?

  • Benzaldehyde

  • Formic acid

  • Glucose

  • Fructose


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36.

Hydrolysis of phenyl isocyanide forms

  • benzoic acid

  • formic acid

  • acetic acid

  • None of these


B.

formic acid

Hydrolysis of phenyl isocyanide forms formic acid.

C6H5NCphenyl isocyanide  +  2H2 HCOOHformic acid   + C6H5NH2aniline


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37.

Reaction of ethyl formate with excess of CH3MgI followed by hydrolysis gives

  • n-propyl alcohol

  • isopropyl alcohol

  • acetaldehyde

  • acetone


38.

Styrene can be purified by

  • simple distillation

  • fractional distillation

  • steam distillation

  • vacuum distillation


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39.

Which of the following is not reducing sugar?

  • Glucose

  • Fructose

  • Lactose

  • Sucrose


40.

The monomer of teflon is

  • CHF = CH2

  • CF2 = CF2

  • CHCl = CHCl

  • CHF = CHCl


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