Chemistry NCERT Exemplar Solutions Class 12th Chapter Two

A compound 'X' is a weak acid and it exhibits colour change at pH close to the equivalence point during neutralization of NaOH with CH₃COOH. Compound 'X' exists in ionized form in basic medium. The compound 'X' is

Given below are two statements : One is labeled as Assertion A and the other is labelled as Reason R

Assertion A : Amylose is insoluble in water.           

Reason R: Amylose is a long linear molecules with more than 200 glucose units.

In the light of the above statements, choose the correct answer from the options given below

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)

In base vs, acid titration, at the end point methyl orange is present as