The reaction of carboxylic acids with alcohols in presence of cone. H2SO4 is called
1.esterification
2.neutralization
3.hydrolysis
4.saponification
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? - amino succinic acid is also called
1.lysine
2.aspartic acid
3.alanine
4.glutamic acid
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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
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Amino acids present in cheese
1.lysine
2.alanine
3.tyrosine
4.proline
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An acid with unpleasant smell
1.formic acid
2.acetic acid
3.propionic acid
4.butyric acid
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Angle in water molecule is
1.104.9?
2.104.5?
3.109.5?
4.120?
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Bond order for N2 molecule is
1.2
2.1
3.3
4.4
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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
Posted Date:-2021-09-09 04:11:01
By combining n atmic orbitals no. of hybrid orbitals will be
1.2n
2.n
3.3n
4.impossible to predict
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Carboxylic acid on reduction with HI / phosphorous yields
1.alkane
2.alcohols
3.aldehydes
4.ketones
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Elements having high I.P values are
1.Metals
2.Non metals
3.Liquids
4.Solids
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Elements of group IA IIA are
1.Electronegative
2.Electropositive
3.Neutral
4.IA is electropositive while IIA is electronegative
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Energy released or absorbed when electrons are added in atom is
1.Ionization potential
2.Electronegativity
3.Electron affinity
4.Activation energy
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Essential amino acids are
1.5
2.10
3.15
4.20
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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
Posted Date:-2021-09-09 04:11:01
Geometry of simple molecule having sp3 hybrid orbital is
1.Triangular
2.Tetrahedral
3.Square planner
4.Linear
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Greater shielding effect corresponds to ionization energy value
1.Greater
2.Lesser
3.Remain same
4.No effect
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In a period electronegativity from left to right
1.Increases
2.Decreases
3.Remain constant
4.Variable trend
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Ionic bond is produced after complete transfer of
1.Nucleus
2.Neutrons
3.Electrons
4.Protons
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Major cause of SO2 on global scale is
1.volcanoes
2.electric sparks
3.combustion
4.all
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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
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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
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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
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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
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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
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Picric acid is
1.monocarboxylc acid
2.dicarboxylic acid
3.aromatic carboxylic acid
4.none of these
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Product of charge and distance is called
1.Pressure
2.Bond length
3.Work
4.Dipole moment
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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
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Residence time of methane in the atmosphere is
1.3 - 7 days
2.2 -3 days
3.3 - 7 years
4.2 - 3 years
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Sharing of 1 electron pair by one specie forms
1.Single covalent bond
2.Hydrogen bond
3.Double covalent bond
4.Coordinate covalent bond
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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
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The basic hydrolysis of ethyl acetate produces
1.ethanol
2.acetic acid
3.ethanol and acetic acid
4.ethanol and sodium acetate
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The complete reduction carboxylic acid results in the formation of
1.Alkyne
2.Alkene
3.Alkane
4.Alcohol
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The formula of palmitic acid
1.C15H31COOH
2.C13H27COOH
3.C17H33COOH
4.C17H35COOH
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The geometry of ammonia is
1.Tetrahedral
2.Square planner
3.Trigonal bipyramidal
4.Trigonal Pyramidal
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The Lewis acids are
1.Electron deficient
2.Electron rich
3.Octet is complete
4.No such acids exist
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The organic acid that can be made from ethanol is
1.Acetic acid
2.Formic acid
3.Butanoic acid
4.Citric acid
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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
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Unit of dipole moment is
1.Debye
2.Poise
3.Pascal
4.Newton
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Unpaired electron in a molecule gives _________ character.
1.Ferromagnetic
2.Paramagnetic
3.Diamagnetism
4.Both a & b
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Which of the following has orange flavour
1.isobutyl formate
2.octyl acetate
3.ethyl butyrate
4.amyl lactate
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Which of the following is a macronutrient?
1.boron
2.iron
3.copper
4.carbon
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Which of the following is an unsaturated carboxylic acid
1.malonic acid
2.oxalic acid
3.succinic acid
4.maleic acid
Posted Date:-2021-09-09 04:11:01
Which of the following is not a fatty acid?
1.Propanoic acid
2.Acetic acid
3.Phthalic acid
4.Butanoic acid
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Which of the following is not a heavy industry?
1.iron
2.fertilizer
3.paper
4.none
Posted Date:-2021-09-09 04:11:01
Which of the following is not a secondary pollutant
1.ozone
2.carbonic acid
3.sulphuric acid
4.carbon dioxide
Posted Date:-2021-09-09 04:11:01
Which of the following is not an amino acids
1.glumatic acid
2.lactic acid
3.aspartic acids
4.glycine
Posted Date:-2021-09-09 04:11:01
Which of the following is not an ester
1.amyl acetate
2.sodium butyrate
3.isobutyle formate
4.octyl acetate
Posted Date:-2021-09-09 04:11:01
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
Posted Date:-2021-09-09 04:11:01
Which one of the following has polar covalent bond?
1.HF
2.CH4
3.H2
4.N2
Posted Date:-2021-09-09 04:11:01