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

Advertisement
671.

Predict the correct intermediate and product in the following reaction

straight H subscript 3 straight C space minus space straight C space identical to space CH rightwards arrow from HgSO subscript 4 to straight H subscript 2 straight O comma space straight H subscript 2 SO subscript 4 of space intermediate with straight A below space rightwards arrow for space of space Product with straight B below

1009 Views

672.

Identify the major products P, Q and R in the following sequence of reactions:


673.

The compound C7H8 undergoes the following reactions:

The product 'C' is

  • m-bromotoluene

  • o-bromotoluene

  • p-bromotoluene

  • 3-bromo-2,4,6-trichlorotoluene


674.

Hydrocarbon (A) reacts with bromine by substitution to form an alkyl bromide which by Wurtz reaction is converted to a gaseous hydrocarbon containing less than four carbon atoms. (A) is

  • CH ≡ CH

  • H2C = CH2

  • CH4

  • CH3-CH3


Advertisement
675.

1-butyne on oxidation with hot alkaline KMnO4 would yield. Which of the following as end product?

  • CH3CH2CH2COOH

  • CH3CH2COOH

  • CH3CH2CH2COOH + CO2 + H2O

  • CH3CH2CH2COOH + HCOOH


676.

 A cubic unit cell of a metal with a molar mass of 63.55 g mol-1 has an edge length of 362 pm. Its density is 8.92 g cm-3. The type of unit cell is

  • Primitive

  • Face centred

  • End centred

  • Body Centred


677.

Which of the following is the major product in the reaction of HOBr with propene?

  • 2-bromo, 1-propanol

  • 3-bromo,1-propanol

  • 2-bromo, 2-propanol

  • 1-bromo, 2-propanol


678.

Which of the following is the correct IUPAC name?

  • 3,4 -dimethyl pentanoyl chloride

  • 1-chloro-1-oxo-2, 3-dimethyl pentane

  • 2-ethyl-3-methyl butanoyl chloride

  • 2,3-dimethyl pentanoyl chloride


Advertisement
679.

The pair of boiling point and compound are given as,

C6H(80°C); CH3OH (65°C); C6H5NO2 (212°C) and C6H5NH2 (184°C)

Which will show lowest vapour pressure at room temperature?

  • C6H6

  • CH3OH

  • C6H5NO2

  • C6H5NH2


680.

In the following conversion,

Identify 'A' from the following option

  • NaBD4

  • LiAID4

  • Mg, ether/D2O

  • BH3, D2O


Advertisement