Question # 1

Which statement is false.

Choose an answer

If a reaction is thermodynamically spontaneous it may occur rapidly

If a reaction is thermodynamically spontaneous it may occur slowly.

Activation energy is a kinetic quantity rather than a thermodynamic quantity.

If a reaction is thermodynamics spontaneous, it must have a low activation energy.

The terpenoid responsible fo the smell

Choose an answer

Camphor

Genenial

Citral

Carvone

A salt solution is treated with chloroform drops.Then it is shaken with chlorine water, chloroform layer become violet solution contains.

Choose an answer

NO2 ion

NO3 ion

Br ion

I- ion

Which of the following linear polymer.

Choose an answer

Polypeptide

Protein

Starch

Phenol formaldehyde resin

Which of the following type of polymerization is used for the preparation of synthetic rubber.

Choose an answer

Free radical

Zingler natta

Cationic

Anionic

Which of the following haloacids is stronger acids.

Choose an answer

FCH2COOH

ClCH2COOH

Br CH2COOH

ICH2COOH

Which of the following is a triphenylmethane dye.

Choose an answer

Auramine G

Crystal violes

Fluorescein

Fast green O

The reagent which can react with 1- chlorobutane to give substitution product is

Choose an answer

Al Cl3

KOH -CH3OH

NaCN

Mg/ether

Which of the following is most acidic.

Choose an answer

Phenol

p-nitrophenol

o-Nitrophenol

m-Nitrophenol

Glycerol on dehyeration gives

Choose an answer

Allyl alcohol

Aerolein

CHOH = C= CHOH

-CHO -CHOH -CH2OH

Amino acids have

Choose an answer

Acidic group

Basic group

Both of these

None of these

Combination of a -amino acid through which linkages results result in formation of protein

Choose an answer

Ester linkage

Glycosidic linkage

Lactum linkage

Peptide linkage

Which of the following pairs does not represent Lowery acid base pair.

Choose an answer

H2O+NH3

H2O +H2O

HCL + H2O

CH3NH2 + BF3

1-Chlorobutane on reaction with alcohols potash gives.

Choose an answer

1- butane

1-butanol

2- butane

2- butanol

Arrangement of peptide chains of protein in spec to form helix stucture is referred to as.

Choose an answer

Primary structure

Secondary structure

Tertiary structure

Quaternary structure

In hydrogen bonding a hydrogen atom is bonded to which of the highly electronegative atoms.

Choose an answer

N

O

F

N,O,F

Stereotsomers not related to each other as object and minor image are called.

Choose an answer

Enantiomers

Diastereolsomers

Conformations

Antipodes

Which of the following compound will be optically active.

Choose an answer

Suceinic acid

Meso tartaric acid

Acetic acid

Lactic acid

Compounds HCN and HNC are.

Choose an answer

Tautomers

Metamers

Functional isomers

Conformers

Coagulation of protein on treatment with heavy motal salts or heating is called.

Choose an answer

Decolorisation

Denaturation

^{Sedimentation process}

Reversible precipitation

The compounds whose formation require a host compound and a guest compound are called.

Choose an answer

Exclusion compounds

Inclusion compounds

Crystal compounds

None of the above

More Classes

Other Links

PPSC Chemistry Part II Organic Chemistry Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer