Ncert Solutions Chemistry Class 12th

Which of the following is NOT a natural polymer?

The Hinsberg reagent is

When ethanol is heated with conc. H₂SO₄, a gas is produced. The compound formed, when this gas is treated with cold dilute aqueous solution of Baeyer's reagent, is

Given below are two statements.

In the light of the above statement, choose the most appropriate answer from the options given below.

Compound 'A' undergoes following sequence of reactions to give compound 'B'. The correct structure and chirality of compound 'B' is

[where Et is -C₂H₅]

Correct structure of $\gamma -methylcyclohexane$ carbaldehyde is

Octahedral complexes of copper  (II) undergo structural distortion (Jahn- Teller). Which one of the given copper (II) complexes will show the maximum structural distortion? (en-ethylenediamine; H₂N-CH₂-CH₂-NH₂)

Which of the following 3d- metal ion will give the lowest enthalpy of hydration $\left({\Delta }_{hyd}H\right)$  when dissolved in water?

When borax is heated with CoO on a platinum loop, blue coloured bead formed is largely due to

The novolac polymer has mass of 963g. The number of monomer units present in it are