Class XI Chemistry Basics of Organic 12

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Question 1

The type of isomerism observed in urea molecules is

• AChain
• BPosition
• CGeometrical
• DFunctional

Question 2

The correct energy gradation of different conformers is -

• AStaggard > skew > eclipsed
• BSkew > staggard > eclipsed
• CEclipsed > skew > staggard
• DSkew > eclipsed > staggard

Question 3

α-D-(+) glucose and β-D-(+) glucose are

• Aanomers
• Benantiomers
• Cconformers
• Depimers

Question 4

The correct order of increasing acid strength of the compounds is

• Ad < a < b < c
• Ba < d < c < b
• Cb < d < a < c
• Dd < a < c < b

Question 5

In the following reaction,

an asymmetric centre is generated. The acid obtained would be

• AL-isomer
• BD-isomer
• C20%D + 80% L-isomer
• D50% D + 50% L-isomer

Question 6

Which of the following is a trihydric alcohol?

• ACitric acid
• BGlycerol
• CGlycine
• DGlycol

Question 7

Which of the following pairs do not exhibit tautomerism

• AKeto; enol
• BVinyl alcohol; acetaldehyde
• CProp-1-en-2-ol; propanone
• DPropyne; propan-2-ol

Question 8

The correct IUPAC name of the following compound

is:

• A4 – methyl - 3 – ethylhexane
• B3 – ethyl – 4 - methylhexane
• C3, 4 – ethylmethylhexane
• D4 – ethyl – 3 – methylhexane

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