HSC Science (Computer Science) १२ वीं कक्षा - Maharashtra State Board Question Bank Solutions for Chemistry

Answer the following question.

Draw geometric isomers and enantiomers of the following complex.

[Pt(en)₃]^4⊕

Answer the following question.

Draw geometric isomers and enantiomers of the following complex.

[Pt(en)₂ClBr]^2⊕

Give reason:

Reactions involving Grignard reagent must be carried out under anhydrous condition.

Aldehydes are more reactive towards nucleophilic addition reactions than ketones. Explain.

Choose the most correct option.

Which of the following compounds contains azo linkage?

Write a short note on coupling reactions.

Answer the following

Complete the following reaction :

`"C"_6"H"_5"N"_2^+"Cl"^-` + C₂H₅OH → 

Answer the following

Ridhima wants to detect the structure of the surface of materials. Name the technique she has to use.

Answer the following

What do you mean by sol and gel?

Answer the following

Describe the sol-gel method of preparation for nanoparticles.

The pair [Co(NH₃)₅(SO₄)]Br and [Co(NH₃)₅Br]SO₄ exhibits ____________ isomerism

Write the type of isomerism exhibited by [Co(NH₃)₅(NO₂)]²⁺ and [Co(NH₃)₅ONO]²⁺ pair of complex ion.

Define the term Co-ordination isomer.

Define the term Hydrated isomers.

Draw structure of cis isomer of [Co(NH₃)₄Cl₂]⁺

Draw the geometrical isomers of the following complexes [Pt(NH₃)(H₂O)Cl₂].

Draw optical isomers of [Co(en)₃]³⁺.

Explain reactions of haloarenes with sodium metal.

Calculate the packing efficiency for bcc lattice.

In case of hcp structure, how are spheres in first, second and third layers arranged?