Write the procedure of the starch test.

What type of linkage is there in Amylopectin?

Given below are two statements. One is labelled as Assertion $\mathrm{A}$ and the other is labelled as Reason $\mathrm{R}$.

Assertion $\mathrm{A}$ : Amylose is insoluble in water.

Reason $\mathrm{R}$ : Amylose is a long linear molecule with more than $200$ glucose units.

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

Identify the product of the following reaction.

Give the plausible explanation for the following:

Starch and cellulose both contain glucose unit as monomer, yet they are structurally different.

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A): Ketoses give Seliwanoff’s test faster than Aldoses.

Reason (R): Ketoses undergo $\beta$-elimination followed by formation of furfural.

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

L-isomer of tetrose $\mathrm{X}\left({\mathrm{C}}_4{\mathrm{H}}_8{\mathrm{O}}_4\right)$ gives positive Schiff’s test and has two chiral carbons. On acetylation ‘X’ yields triacetate. ‘X’ also undergoes following reactions.