A. we could not apply

B. Ca and P

D. S and P

A. Non-polar structure of amino acids

B. Acidic character of amino acids

D. Basic character of amino acids

B. 20%

C. 10%

D. 60%

A. Tartaric acid

B. Valeric acid

C. Propanoic acid

A. Flrorine

B. Chlorine

D. Bromine

A. Similar physical state

B. Same number of electrons in the valence shell

C. Homovalent (show same valency)

B. small size

C. high charge density

D. less electropositivity

A. alkyl groups are electron donating

B. steric hindrance

D. none

A. Te

B. Po

C. Se

B. Concentration of reactant does not change

C. Concentration of product increases

D. Concentration of reactant increases

A. Cr

B. A

D. Fe

A. Oxidation

B. Reduction

C. Decomposition

A. Atomic volume

B. Ionization energy

D. Atomic radii

B. X-ray diffraction method

C. Distillation methos

D. Specific gravity method

B. HCI

C. NaCl

D. Na+

A. OH

B. Hydrogen

C. Oxygen

A. acetaldehyde

B. ethyl alcohol

D. acetone

A. On hydrogenation 208 KJ/mole is liberated

C. Molecular mass of benzene is 78.108

D. C-H bond length in benzene is 1.09 A?

A. butanone

C. 2-pentanone

D. 3 hexanone

A. less reactive

C. Zero group elements

D. Having completely filled valence shell

A. CH3-COOH

B. CH3-CH-CH3

D. CH3-CO-CH2-CH3

A. Small size

B. High nuclear charge

D. No authorized justification yet

A. Halogens (VII-A)

C. Group-14 elements (IV-A)

D. Alkali metals (I-A)

A. formic acid

B. propionic acid

D. acetic acid

B. As insulator

C. As nitrometer

D. To produce alloy

B. p block elements

C. Right upper corner

D. Same period

A. Adipic acid

B. Acetic acid

C. Succinic acid

A. Ester

B. CO2

D. Alkane

A. Remains unchanged

C. Gain water and become liquid

D. Gain water and remain solid

A. Beryllium

C. Carbon

D. Silicon

A. Alcohol

B. Ketone

D. None of the above

B. increases electrophilic character of carbonyl compound

C. acidic character of reagent

D. both a and b

A. Strong acids

C. Hydrocarbons

D. Aromatic

B. Benzene

C. Chlorobenzene

D. Nitro benzene

A. Bone

B. Nerves

C. Yolk of egg

A. Excitation of electrons from low energy levels to higher energy levels

B. Smaller electronegativity of alkali metals

C. Smaller ionic radius of these metals

B. All of the above

C. Neutral

D. Amphoteric

A. P2O5

B. H2SO4

D. PCI5

A. Lubricant

C. Electrode of electrolytic cell

D. Lead pencils

A. 27%

B. <2.6%

D. 26%

A. Two

C. Six

D. Four

A. 1s2 2s2 2p4

C. 1s2 2s2 2p6 3s2 3p6 4s2 3d1

D. 1s2 2s2 2p3

B. Na+

C. K+

D. Ca+2

A. alanine

B. proline

C. lysine

A. as sulphonating agent

B. an acid

D. an oxidizing agent

A. Low charge density

C. Low electronegativity

D. Not known yet

A. Alkaline earth metal

B. Halogens

D. Alkali metal

B. CaCO3

C. Ba (NO3)2

D. NH4Cl

A. The rupturing of benzene ring

B. No-reaction

C. Substitution reaction

A. Proteineous

B. lipids

C. sugars