Yashwantrao Chavan Arts and Science Mahavidyalaya, Mangrulpir, Dist. Washim
Common Test Winter 2024-25
Subject: Chemistry Class: B. Sc – I Sem. I (NEP) Time: 2 Hrs Max. Marks: 30
Q1. Solve any six questions, each question carry one marks. 06 M
a) Electron revolve rapidly around the ………..
b) How many elements are present in f-block?
c) Electronegativity of fluorine is………….
d) Define electronegativity.
e) The functional group of alcohol is………….
f) As per Lewis theory an acid may be defined as any substance that is capable of accepting
an………….
g) Carbocation is ………… charged carbon species.
h) Hyperconjugation effect is also called as………
UNIT I
Q2. Solve any two questions, each question carries three marks. 06 M
a) Give the classification of elements as metal, non- metals and metalloids
b) Explain Pauli’s rule with example.
c) Give the classification of periodic table on the basis of electronic configuration.
d) Differentiate atomic and ionic radii?
UNIT II
Q3. Solve any two questions, each question carries three marks. 06 M
a) Define Ionization enthalpy. How does it vary in group and periods?
b) Explain how atomic radii vary in group and periods of periodic table.
c) Why first ionization enthalpy of beryllium (Be) is higher as compared to Boron.
d) Explain why noble gases show higher ionization potential.
UNIT III
Q4. Solve any two questions, each question carries three marks. 06 M
a) Discuss the theories of organic acid and base.
b) Discuss the SP2 and SP3 hybridization with example.
c) Discuss the hydrogen bonding concept with suitable example with respect to intermolecular
and intramolecular hydrogen bonding.
d) Write a note on inductive effect with suitable example.
UNIT IV
Q5. Solve any two questions, each question carries three marks. 06 M
a) Discuss the position isomer with example.
b) Discuss the Birch reduction.
c) Explain Saytzeff rule with example.
d) How will you prepare ethane by Wurtz reaction?
Best Of Luck
Common Test Winter 2024-25
Subject: Chemistry Class: B. Sc – I Sem. I (NEP) Time: 2 Hrs Max. Marks: 30
Q1. Solve any six questions, each question carry one marks. 06 M
a) Electron revolve rapidly around the ………..
b) How many elements are present in f-block?
c) Electronegativity of fluorine is………….
d) Define electronegativity.
e) The functional group of alcohol is………….
f) As per Lewis theory an acid may be defined as any substance that is capable of accepting
an………….
g) Carbocation is ………… charged carbon species.
h) Hyperconjugation effect is also called as………
UNIT I
Q2. Solve any two questions, each question carries three marks. 06 M
a) Give the classification of elements as metal, non- metals and metalloids
b) Explain Pauli’s rule with example.
c) Give the classification of periodic table on the basis of electronic configuration.
d) Differentiate atomic and ionic radii?
UNIT II
Q3. Solve any two questions, each question carries three marks. 06 M
a) Define Ionization enthalpy. How does it vary in group and periods?
b) Explain how atomic radii vary in group and periods of periodic table.
c) Why first ionization enthalpy of beryllium (Be) is higher as compared to Boron.
d) Explain why noble gases show higher ionization potential.
UNIT III
Q4. Solve any two questions, each question carries three marks. 06 M
a) Discuss the theories of organic acid and base.
b) Discuss the SP2 and SP3 hybridization with example.
c) Discuss the hydrogen bonding concept with suitable example with respect to intermolecular
and intramolecular hydrogen bonding.
d) Write a note on inductive effect with suitable example.
UNIT IV
Q5. Solve any two questions, each question carries three marks. 06 M
a) Discuss the position isomer with example.
b) Discuss the Birch reduction.
c) Explain Saytzeff rule with example.
d) How will you prepare ethane by Wurtz reaction?
Best Of Luck
