INTERMEDIATE-1st YEAR CHEMISTRY
Model Paper_1
Time-3hours Maximum marks:60
SECTION_A (10x2=20M)
NOTE: Answer all questions.
1)How many moles OF GLUCOSE are present in 540 gms of glucose ?
2)which of the gases diffuses faster among N O andCH 2, 2 4 . Why?
3)What is conjugate acid-base pair?Give example.
4)Describe the importance of plaster of paris.
5)Give the formula of borazine.what is its common name?
6)Diamond has high melting point .Explain
7)How is water gas prepared? give its composition.
8)whic oxides cause Acid rain?Give the H P of acid rain.
9)Give the chemical equations involved in the Ozone depletion byCF Cl 2 2
10)write the IUPAC names of the following compounds .
2 3 3 3 i CH CH C C CH ii CH C O CH ) ) = − ≡ − − −
SECTION-B
NOTE: ANSWER any Six of the following (6x4m=24marks)
11)State and explain Graham’s law of diffusion.
12)Chemical analysis of a carbon compound gave 10.06% carbon,89.1% chlorine
and 0.84%Hydrogen.Calculate the emperical formula of the compound.
13)Define and explain the following with one exampleeach
i) Standard enthalpy of formation ii)Enthalpy of combustion.
14)Which salts are responsible for temporary hardness? Explain the removal of
temporary hardness by clark’s method.
15)Discuss the structure of Boric acid. give its uses
16)What are homogeneous and heterogenousequilibria ? Give examples.
17)Explain functional group isomerism and position isomerism with one example
18)How does acetylene reacts with the following
a)Acetic acid b)Water c)Hydrogen halide d)Ammonical AgNO3
solution.
SECTION-C
NOTE: answer any two questions (2X8=16M)
19)What are quantum numbers?Give their significance.
20)what is meant by Hybridisation? Explain Sp, sp2and sp3 Hybridisation by taking
organic copounds as examle.
21)What is a periodic property?How the following properties vary in agroup and in
a)Atomic radius b)Ionisation enthalpy
c)Electro negativity d)Electron gain enthalpy.
Model Paper_1
Time-3hours Maximum marks:60
SECTION_A (10x2=20M)
NOTE: Answer all questions.
1)How many moles OF GLUCOSE are present in 540 gms of glucose ?
2)which of the gases diffuses faster among N O andCH 2, 2 4 . Why?
3)What is conjugate acid-base pair?Give example.
4)Describe the importance of plaster of paris.
5)Give the formula of borazine.what is its common name?
6)Diamond has high melting point .Explain
7)How is water gas prepared? give its composition.
8)whic oxides cause Acid rain?Give the H P of acid rain.
9)Give the chemical equations involved in the Ozone depletion byCF Cl 2 2
10)write the IUPAC names of the following compounds .
2 3 3 3 i CH CH C C CH ii CH C O CH ) ) = − ≡ − − −
SECTION-B
NOTE: ANSWER any Six of the following (6x4m=24marks)
11)State and explain Graham’s law of diffusion.
12)Chemical analysis of a carbon compound gave 10.06% carbon,89.1% chlorine
and 0.84%Hydrogen.Calculate the emperical formula of the compound.
13)Define and explain the following with one exampleeach
i) Standard enthalpy of formation ii)Enthalpy of combustion.
14)Which salts are responsible for temporary hardness? Explain the removal of
temporary hardness by clark’s method.
15)Discuss the structure of Boric acid. give its uses
16)What are homogeneous and heterogenousequilibria ? Give examples.
17)Explain functional group isomerism and position isomerism with one example
18)How does acetylene reacts with the following
a)Acetic acid b)Water c)Hydrogen halide d)Ammonical AgNO3
solution.
SECTION-C
NOTE: answer any two questions (2X8=16M)
19)What are quantum numbers?Give their significance.
20)what is meant by Hybridisation? Explain Sp, sp2and sp3 Hybridisation by taking
organic copounds as examle.
21)What is a periodic property?How the following properties vary in agroup and in
a)Atomic radius b)Ionisation enthalpy
c)Electro negativity d)Electron gain enthalpy.
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