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
11.

Which one of the following molecules is expected to exhibit diamagnetic behaviour?

  • C2

  • O2

  • N2

  • N2

220 Views

12.

Which among the following will be named as dibromidobis(ethylene diamine)chromium(III) bromide?

  • [Cr(en)3]Br3

  • [Cr(en)2Br2]Br

  • [Cr(en)Br4]-

  • [Cr(en)Br4]-

277 Views

13.

Which one of the following statements is correct?

  • All amino acids except lysine are optically active

  • All amino acids are optically active

  • All amino acids except glycine are optically active

  • All amino acids except glycine are optically active

168 Views

14.

How many chiral compounds are possible on monochlorination of 2–methyl butane?

  • 8

  • 2

  • 4

  • 4

400 Views

Advertisement
15.

Which of the following facts about the complex [Cr(NH3)6]Cl3 is wrong?

  • The complex involves d2sp3 hybridisation and is octahedral in shape.

  • The complex is paramagnetic. 

  • The complex is an outer orbital complex. 

  • The complex is an outer orbital complex. 

333 Views

16.

The magnetic moment (spin only) of [NiCl4]2- is:

  • 1.82 BM

  • 5.46 BM 

  • 2.82 BM

  • 2.82 BM

387 Views

17.

A solution containing 2.675 of CoCl3. 6NH3(molar mass = 267.5 g mol–1) is passed through a cation exchanger. The chloride ions obtained is solution was treated with excess of AgNO3 to give 4.78 g of AgCl (molar mass = 143.5 g mol–1 ). The formula of the complex is
(At. mass of Ag = 108 u)

  • [Co(NH3)6]Cl3

  • [CoCl2(NH3)4]Cl

  • [CoCl3(NH3)3]

  • [CoCl3(NH3)3]

435 Views

18.

Which one of the following has an optical isomer?

  • [Zn(en)(NH3)2]2+

  • [Co(H2O)4(en)]3+

  • [Co(en)3]3+

  • [Co(en)3]3+

287 Views

Advertisement
19.

Out of the following, the alkene that exhibits optical isomerism is

  • 2–methyl–2–pentene

  • 3–methyl–2–pentene

  • 4–methyl–1–pentene

  • 4–methyl–1–pentene

204 Views

20.

Which of the following species is not paramagnetic

  • NO

  • CO

  • O2

  • O2

575 Views

Advertisement