B.sc 2nd Year Chemistry Subsidiary Important Questions 2023

In this post, b.sc 2nd year chemistry subsidiary important questions are being given for the 2023 session. 

These questions have been collected on the basis of the previous question paper. 

Many of these questions have been asked in the past as well. 

Many questions have been asked continuously for 2 to 3 years. 

That's why take these questions seriously. 

First of all, match the pattern of these questions with your university syllabus. 

If you see too many differences, use them as a practice set. 

All these questions are taken from the chemistry subsidiary part 2 question paper. 

So there is a strong possibility that they will be asked again. 

You should use the book recommended by your university to prepare answers to these questions. 

First of all, write these b.sc part 2 chemistry subsidiary important questions in your notebook. 

After that read the related chapter from your textbook 2 to 3 times. 

Try to understand each and every paragraph of the chapter. 

In case of any kind of problem, contact your teacher and understand them. 

You should try to answer these questions in your b.sc 2nd year chemistry subsidiary paper 2nd in your own words. 

With this, you will be able to remember the answer quickly. 

This process will be helpful in remembering the answer for a long time. 

You will find more such practice sets on the internet in the form of B.sc 2nd year chemistry subsidiary second paper pdf. 

You can also use them to keep the practice going.

B.sc Chemistry Subsidiary Question Paper

B.sc 2nd Year Chemistry Subsidiary 2nd Paper Question

• Write the IuPAC name of the following complex compounds - (a) [Co(NH3)6]Cl3 (b) [Crcl2(N2O)4]NO3 (c) K3[Fe(C2O4)3] (d) K[Ptcl3(NH3)]
• Choose the correct answer - (i) Transition elements are (a) s-block elements (b) p-block elements (c) d-block elements (d) f-block elements.
• Explain the comparative chemistry of Fe, Co, and Ni.
• Explain why- (a) Hg is liquid but all metals are solid (b) F is the most electronegative element (c) KMnO4 is a good oxidizing agent (d) f-block elements are called inner transition elements.
• Why d-block elements are called transition metals. How do the following - properties vary in a transition metal series. (a) atomic radius (b) density (c) m.p & b.p
• What are the salient features of Werner's theory of coordination compound formation? What are its merits and Weakness?
• What is water pollution? How are water pollutants classified? Discuss the various methods available for primary and secondary
• What are 3d block elements? Write their electronic configuration. Explain their properties on the basis of (a) Complex formation, and (b) Magnetic Properties.
• Why are 3d block elements called transition elements?
• Explain - (a) Hg is liquid (b) TiO2 is white whereas TiCl3 is violet (c) KmnO4 is a good oxidizing agent
• Explain the properties of transition elements on the basis of- (a) Complex formation (b) Magnetic Properties
• What happens when (a) SiO2 reacts with Hf (b) CO reacts with NaOH (c) Steam is passed over red hot iron (d) CO is passed over heated Ni at 80°c.
• What are the salient features of the Valence Bond theory of coordination compounds? Determine the hybridization and structure of the following - (a) [Cr(NH3)6]+3 (b) [Co(CN)6]–3
• Describe two of the air pollutants in respect of their (a) Sources (b) Harmful effects of preventive measures.
• How Arsenic present as a pollutant in drinking water can be removed primarily?
• What will be the effective atomic number of nickel in the complex Ni(CO2)?
• What is the injurious effect of Arsenic present in drinking water on the human body?
• Write short notes on the following - (a) Allotropy (b) Zeolites (c) Fullerenes 
• What are the ores of Cobalt? How cobalt in a pure state is obtained from its ores? Describe its oxidation state and presence in the periodic table?
• Explain giving reasons - (a) Most transition metals are paramagnetic (b) Transition metals exhibit variable valency (c) Compounds of transition metals are usually colored (d) Zn and Cd are soft metals.
• Describe the principle involved in the determination of nickel ions in the solution gravimetrically.
• Discuss the position of halogen in the periodic table. What are the reasons for the late isolation of fluorine? Give properties and uses of fluorine. 
• What is precipitation titration? Give the principle for the volumetric estimation of Ag.
• Write notes on the following - (a) Double salts and coordination compound (b) Sodium Thiosulphate (c) Sidgwick theory of EAN rule.
• Which of the following compounds is expected to exhibit color - (a) CaCl2 (b) KCl (c) AlCl3 (d) FeCl3.

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