When glycerol is treated with excess of HI, it produces

• 2-iodopropane

• allyl iodide

• propene

• glycerol triiodide

Which one of the following compounds will be most readily dehydrated?

Following compounds are given

(i) CH₃CH₂OH

(ii) CH₃COCH₃

(iii) ${\mathrm{CH}}_3-\left(\mathrm{CH}\right)\mathrm{CHOH}$

(iv) CH₃OH

Which of the above compound(s) on being warmed with iodine solution and NaOH, will give iodoform?

• (i), (iii) and (iv)

• Only (ii)

• (i), (ii) and (iii)

• (i) and (ii)

Fructose reduces Tollen's reagent due to

• asymmetric carbons

• primary alcoholic group

• secondary alcoholic group

• enolisation of fructose followed by conversion to aldehyde by base

Which of the following is not a fat soluble vitamin?

• Vitamin-B complex

• Vitamin-D

• Vitamin-E

• Vitamin-A

Which of the statements about 'Denaturation' given below are correct?
Statements

(i) Denaturation of proteins causes loss of secondary and tertiary structures of the protein.
(ii) Denaturation leads to the conversion of double strand of DNA into single strand.
(iii) Denaturation affects primary structure which gets destroyed.

• (ii) and (iii)

• (i) and (iii)

• (i) and (ii)

• (i), (ii) and (iii)

In the following reaction,

             ${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_2\mathrm{Br} \underset{\left(\mathrm{ii}\right)\hspace{0.17em}{\mathrm{H}}_3{\mathrm{O}}^{+}}{\overset{\left(\mathrm{i}\right) \mathrm{Mg}, \mathrm{Ether}}{\to }}\mathrm{X}, \mathrm{the} \mathrm{product} \text{'}\mathrm{X}\text{'} \mathrm{is}$

• C₆H₅CH₂OCH₂C₆H₅

• C₆H₅CH₂OH

• C₆H₅CH₃

• C₆H₅CH₂CH₂C₆H₅

38.

The order of reactivity of phenyl magnesium bromide (PhMgBr) with the following compounds

• III > II > I

• II > I > III

• I > III > II

• I > II > III

Match the compounds given in List I with List II and select the suitable option using the codes given below.

• A   B   C   D

  4   1   3   2

• A   B   C   D

  4   2   3    1

• A   B   C   D

  2   3   4   1

• A   B   C   D

  2   1   4    3

Which of the following compound is the most basic?