Science (English Medium) इयत्ता १२ - CBSE Question Bank Solutions

Write the IUPAC name of the following complex:

[Co(NH₃)₅(CO₃)]Cl

Write the structure of 1-Bromo-4-chlorobut-2-ene

Complete the following reactions

NH₃+3Cl₂(excess) ---->

What happens when (NH₄)₂Cr₂O₇ is heated? Write the equations.

Out of  which is an example of a benzylic halide?

Write the IUPAC name of the following compound: 

Write the mechanism (using curved arrow notation) of the following reaction:

Write the structures of the products when Butan-2-ol reacts with CrO₃

Write the structures of the products when Butan-2-ol reacts with SOCl₂

Write the structures of compounds A, B and C in the following reactions:

Write the structures of compounds A, B and C in the following reactions

Give reasons for the following:

CH₃NH₂ is more basis than C₆H₅NH₂.

Write the product(s) in the following reactions:

Write the product(s) in the following reaction:

Write the product(s) in the following reactions: 

Write the IUPAC name of the following :

How do you convert the Ethanal to Propanone

Write the structures of the main products in the following reactions :

Write the names and structures of the monomers of the following polymers:

(i) Terylene
(ii) Bakelite
(iii) Buna-S

Give reasons for the following observations :

NH₃ gas adsorbs more readily than N₂ gas on the surface of charcoal.