41.

An organic compound with molecular formula C₉H₁₀O forms 2, 4-DNP derivative, reduces Tollen's reagent and undergoes Cannizaro reaction. On vigorous oxidation it gives a dicarboxylic acid which is used in the preparation of terylene. Identify the organic compound.

The stability of Me₂C=CH₂ is more than that of MeCH₂CH=CH₂ due to

• inductive effect of the Me groups

• resonance effect of the Me groups

• hyperconjugative effect of the Me groups

• resonance as well as inductive effect of the Me groups

Which of the following compounds has maximum volatility?

Which of the following compounds can exhibit both geometrical isomerism and enantiomerism ?

• ${\mathrm{CH}}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}$

• ${\mathrm{CH}}_3-{\mathrm{CH}}_2-\mathrm{CH}\left({\mathrm{CH}}_3\right)-\mathrm{CH}=\mathrm{CH}-{\mathrm{CH}}_3$

• ${\mathrm{CH}}_3{\mathrm{CH}}_2-\left({\mathrm{CH}}_3\right)\mathrm{C}=\mathrm{CH}-\mathrm{COOH}$

• ${\mathrm{CH}}_3-\mathrm{CHOH}-\mathrm{COOH}$

Give the IUPAC name of m-ClCH₂C₆H₄CH₂C(CH₃)₃

• 1-(3 - chloro - 3- methylphenyl)-2, 2- diethyl propane

• 2 - (3 - chloromethyl propyl) -2, 2- dimethyl propane

• 1 - (3 - chloromethyl phenyl)-3, 3- dimethyl propane

• 1 - chloromethyl - 3- (2, 2 - dimethyl propyl) benzene

A colourless water soluble solid A on heating gives equimolar quantities of B and C. B gives dense white fumes with HCl and C does so with NH₃. B gives brown precipitate with Nessler's reagent and C gives white precipitate with nitrates of Ag⁺, Pb⁺ and Hg⁺. A is

• NH₄Cl

• NH₄CO₃

• NH₄NO₂

• FeSO₄

The IUPAC name of the given compound is-

• 4-ethyl-5,6,7,9-tetramethyldeca-2, 9-diene

• 7-ethyl-2,4,5,6-tetramethyldeca-1, 8-diene

• 7-ethyl-2,4,5,6-tetramethyldeca-1, 7-diene

• 7-(1-propenyl)-2,3,4,5-tetramethyl non-1-ene

Caffeine has a molecular weight of 194 u. If it contains 28.9% by mass of nitrogen, number of atom of nitrogen in one molecular of caffeine is

• 4

• 6

• 2

• 3

Among the following the strongest nucleophile is

• C₂H₅SH

• CH₃COO^-

• CH₃NH₂

• NCC${\mathrm{H}}_2^{-}$

Following compounds are respectively ..... geometrical isomers

• P - cis ;Q - cis ; R - trans

• P - cis ; Q - trans ; R - trans

• P - trans ; Q - cis ; R - cis

• P - cis ; Q - trans ; R - cis