The reaction of carboxylic acids with alcohols in presence of cone. H2SO4 is called
1.esterification
2.neutralization
3.hydrolysis
4.saponification
? - amino succinic acid is also called
1.lysine
2.aspartic acid
3.alanine
4.glutamic acid
According to VESPR Model the geometry of molecule having 5 bond pair in outer most shell will be
1.Triangular
2.Square planner
3.Trigonal bipyramidal
4.Octahedral
Amino acids present in cheese
1.lysine
2.alanine
3.tyrosine
4.proline
An acid with unpleasant smell
1.formic acid
2.acetic acid
3.propionic acid
4.butyric acid
Angle in water molecule is
1.104.9?
2.104.5?
3.109.5?
4.120?
Bond order for N2 molecule is
1.2
2.1
3.3
4.4
Bond will beionic when E.N difference of bonded atom is
1.Equal to 1.7
2.Greater than 1.7
3.Less than 1.7
4.No specificity exists
By combining n atmic orbitals no. of hybrid orbitals will be
1.2n
2.n
3.3n
4.impossible to predict
Carboxylic acid on reduction with HI / phosphorous yields
1.alkane
2.alcohols
3.aldehydes
4.ketones
Elements having high I.P values are
1.Metals
2.Non metals
3.Liquids
4.Solids
Elements of group IA IIA are
1.Electronegative
2.Electropositive
3.Neutral
4.IA is electropositive while IIA is electronegative
Energy released or absorbed when electrons are added in atom is
1.Ionization potential
2.Electronegativity
3.Electron affinity
4.Activation energy
Essential amino acids are
1.5
2.10
3.15
4.20
Geometry of molecule will be pyramidal if the outer post shell of the central atom has
1.3 bond pair one lone pair
2.2 bond pair 2 lone pair
3.1 bond pair 3 lone pair
4.3 lone pair 1 bond pair
Geometry of simple molecule having sp3 hybrid orbital is
1.Triangular
2.Tetrahedral
3.Square planner
4.Linear
Greater shielding effect corresponds to ionization energy value
1.Greater
2.Lesser
3.Remain same
4.No effect
In a period electronegativity from left to right
1.Increases
2.Decreases
3.Remain constant
4.Variable trend
Ionic bond is produced after complete transfer of
1.Nucleus
2.Neutrons
3.Electrons
4.Protons
Major cause of SO2 on global scale is
1.volcanoes
2.electric sparks
3.combustion
4.all
Molecular orbital which have higher energy than atomic orbitals is called
1.Bonding molecular orbital
2.Antibonding molecular orbital
3.Hybrid orbital
4.Super atomic orbital
Mostly ionic compound are produced in between elements of
1.IA and VIA
2.IA IIA and VIIA
3.IB and VIIB
4.IA and IB
on sp3 hybridization
1.All p-orbitals are involved
2.One s and 3 p-orbitals are involved
3.one p-orbital is involved
4.four p-orbitals are involved
Orbitals of same energy produced after mixing of orbitals of different energy are called
1.Degenerate orbitals
2.Generate orbitals
3.Hybrid orbitals
4.Zeeman orbitals
Pi bonds are produced by overlapping of
1.Un-hybrid orbitals
2.Hybrid orbitals
3.Hybrid and un hybrid orbitals
4.atomic orbital and hybrid orbital
Picric acid is
1.monocarboxylc acid
2.dicarboxylic acid
3.aromatic carboxylic acid
4.none of these
Product of charge and distance is called
1.Pressure
2.Bond length
3.Work
4.Dipole moment
Requirement of macronutrient per acre of the land is
1.5 to 200 kg
2.20-200 kg
3.200-400 kg
4.30-400 kg
Residence time of methane in the atmosphere is
1.3 - 7 days
2.2 -3 days
3.3 - 7 years
4.2 - 3 years
Sharing of 1 electron pair by one specie forms
1.Single covalent bond
2.Hydrogen bond
3.Double covalent bond
4.Coordinate covalent bond
The aliphatic monocarboxylic acids are obtained by the hydrolysis of
1.proteins and oild
2.fats and proteins
3.fats and oils
4.all above
The basic hydrolysis of ethyl acetate produces
1.ethanol
2.acetic acid
3.ethanol and acetic acid
4.ethanol and sodium acetate
The complete reduction carboxylic acid results in the formation of
1.Alkyne
2.Alkene
3.Alkane
4.Alcohol
The formula of palmitic acid
1.C15H31COOH
2.C13H27COOH
3.C17H33COOH
4.C17H35COOH
The geometry of ammonia is
1.Tetrahedral
2.Square planner
3.Trigonal bipyramidal
4.Trigonal Pyramidal
The Lewis acids are
1.Electron deficient
2.Electron rich
3.Octet is complete
4.No such acids exist
The organic acid that can be made from ethanol is
1.Acetic acid
2.Formic acid
3.Butanoic acid
4.Citric acid
Three elements needed for the healthy growth of plants are
1.N P K
2.N K C
3.N S P
4.N Ca P
Unit of dipole moment is
1.Debye
2.Poise
3.Pascal
4.Newton
Unpaired electron in a molecule gives _________ character.
1.Ferromagnetic
2.Paramagnetic
3.Diamagnetism
4.Both a & b
Which of the following has orange flavour
1.isobutyl formate
2.octyl acetate
3.ethyl butyrate
4.amyl lactate
Which of the following is a macronutrient?
1.boron
2.iron
3.copper
4.carbon
Which of the following is an unsaturated carboxylic acid
1.malonic acid
2.oxalic acid
3.succinic acid
4.maleic acid
Which of the following is not a fatty acid?
1.Propanoic acid
2.Acetic acid
3.Phthalic acid
4.Butanoic acid
Which of the following is not a heavy industry?
1.iron
2.fertilizer
3.paper
4.none
Which of the following is not a secondary pollutant
1.ozone
2.carbonic acid
3.sulphuric acid
4.carbon dioxide
Which of the following is not an amino acids
1.glumatic acid
2.lactic acid
3.aspartic acids
4.glycine
Which of the following is not an ester
1.amyl acetate
2.sodium butyrate
3.isobutyle formate
4.octyl acetate
Which of the following solutions of H2SO4 is more concentrated?
1.1 Molar solution
2.1 molal solution
3.1 normal solution
4.all have same concentration
Which one of the following has polar covalent bond?
1.HF
2.CH4
3.H2
4.N2