Latest Biochemistry Interview Questions Part – 2
Give The Example For Electrophilic Substitution Reaction.
The species, which accepts the electrons, are called Electrophilles (or) Electrophilic reagents.
When the atom (or) group of atoms present in the organic compound is replaced by another atom (or) group of atoms (electrophilic) is called electrophilic substitution reaction.
What Is Addition Reaction?
When atoms (or) group of atoms are added, to form more saturated compound it is called addition reaction.
How Do You Define Free Radical Addition Reaction?give An Example.
When unsaturated compounds undergo addition reactions with free radicals,it is called free radical addition reaction.
Ex;
CH3CH = CH2+HBr———–> CH3CH2CH2Br
What Is Nucleophilic Addition Reaction?
When the attacking species during the addition reaction is Nucleophilic, it is nucleophilic addition reaction.
Ex;
Acetaldehyde cynohydrin
What Is Electrophilic Addition Reaction?
When the attacking species during the addition reaction is Electrophile, it is called electrophilic addition reaction.
Ex;
(+) () (+) () (+) ()
CH2BrCH2BràH2CCH2+BrBràH2C=CH2+Br2
What Are The Favourable Conditions For Formation Of Cat Ions?
1. Low Ionisational potential.
2. Lesser Charge.
3. More atomic size of atoms forms cations easily.
4. Ions having Inert gases configuration formed easily.
What Are The Favourable Conditions For Formation Of Anions?
High Electron affinity
Small size
Less charge of an atoms form anion more easily
Define Lattice Energy.
The energy released when one mole of ionic crystal is formed by the combination of the corresponding gaseous (+ve) and (ve) ions brought from infinite distance is called lattice energy.
What Happens If Lattice Energy Increases?
The Strength of ionic bond
Stability of the Ionic compound
Ease of formation of the Ionic bond Increases
What Is Sublimation Energy?
The amount of energy required to convert one mole of solid substance to vapor state is called Sublimation energy
What Can You Calculate By Selecting Born-haber Cycle?
BornHaber cycle is useful for calculation of lattice energy, heat of reaction and electron affinity.
How Can Energy Change In The Formation Of Nacl Be Determined?
With the help of Born Haber’s cycle.
What Is The Relation Between Reaction Taking Place In One Of The Several Stages And The Total Amount Of Energy Liberated In The Reaction?
The relation between reaction taking place in one of the several stages and the total amount of energy liberated in the reaction is same.
Define Limiting Radius.
The ratio between the radius of cation and the radius of anion is called Limiting radius.
What Is Co-ordination Number?
The number of appositively charged ions surrounded a particular ion in an ionic crystal lattice is called co-ordination number.
What Is Structure Of Nacl And Give The Co-ordination Number Of Nacl?
The structure of Nacl is face centered Cubic and Co-ordination number of Nacl is 6.