SUPERIOR GROUP OF COLLEGES
CLASS
INTER PART-II
ROLL NO.
SUBJECT
CHEMISTRY
Pre-Board 2024
TOTAL
MARKS
TIME
ALLOWED
DATE
STUDENT NAME
17
20 Min
FULL BOOK
SYLLABUS
OBJECTIVE
Note: Four possible answers A, B, C and D to each question are given. The choice which you think is correct,
fill that circle in front of that question with Marker or Pen ink in the answer Book. Cutting or filling two or
more circles will result in zero mark in that question.
1.
(17)
i.
ii.
iii.
iv.
v.
vi.
vii.
viii.
ix.
x.
xi.
xii.
xiii.
xiv.
Keeping in view the size of atoms, which order is correct one?
(A) Mg>Sr
(B) Ba>Mg
(C) Lu>Ce
(D) Cl>I
Which one of the following does not belong to alkaline earth metals?
(A) Be
(B) Rn
(C) Ba
(D) Ra
The chief ore of aluminium is
(A) Na3AlF6
(B) Al2O3.H2O
(C) Al2O3.2H2O
(D) Al2O3
Laughing gas is chemically
(A) N2O
(B) N2O3
(C) NO
(D) NO2
Which is the strongest acid?
(A) HClO
(B) HClO2
(C) HClO3
(D) HClO4
The colour of transition metal complexes is due to
(A) d-d transitions of electrons
(B) paramagnetic nature of transition elements
(C) ionization energies
(D) loss of s-electrons
Which set of hybrid orbitals has planar triangular shape?
(A) sp
(B) sp2
(C) sp3
(D) dsp2
Which is the most reactive hydrocarbon?
(A) ethane
(B) acetylene
(C) ethylene
(D) benzene
During nitration of benzene, the active nitrating agent is
(A) NO2
(B) HNO3
(C) NO2+
(D) NO3+
Which one of the following is not a nucleophile?
(A) H2O
(B) H2S
(C) NH3
(D) BF3
Rectified spirit contains alcohol about
(A) 95% alcohol
(B) 98% alcohol
(C) 80% alcohol
(D) 85% alcohol
Which of the following reagents will react with both aldehydes and ketones?
(A) Grignard reagent
(B) Fehling reagent
(C) Benedict solution (D) Tollen’s reagent
Which of the following is not a fatty acid?
(A) acetic acid
(B) butanoic acid
(C) propanoic acid
(D) phthalic acid
Which is not a calcareous material?
(A) lime
(B) clay
(C) marble
(D) marine shell
xv. Starch is
(A) monosaccharide
xv.
(B) oligosaccharide
(C) polysaccharide
(D) protein
The pH of rain water is?
(A) 7-6.5
(B) 6-5.6
(C) 6.5-6.0
xvi.
Thickness of atmosphere is …….km
(A) 10
(B) 100
(D) less than 5
(C) 1000
(D) 10000
SUPERIOR GROUP OF COLLEGES
CLASS
INTER PART-II
ROLL NO.
SUBJECT
CHEMISTRY
DATE
STUDENT NAME
Pre-Board 2024
TOTAL
MARKS
TIME
ALLOWED
FULL BOOK
SYLLABUS
SUBJECTIVE
Section-I
2.
i.
ii.
iii.
iv.
v.
vi.
vii.
viii.
ix.
x.
xi.
xii.
Write Short answers to any Eight (8) questions:
Why noble gases have zero oxidation state?
ZnO is amphoteric. Prove?
What is plaster of paris?
What is cement plaster and hard finish plaster?
What are typical and non typical transitionelements?
What are chelates?
What is wurtz fittig reaction?
Convert CO2 into propanoic acid?
What is saponification of fats?
What is denaturing of proteins?
What are the properties of enzymes?
What is clinker?
(8×2=16)
3.
i.
ii.
iii.
iv.
v.
vi.
vii.
viii.
ix.
x.
xi.
xii.
Write Short answers to any Eight (8) questions:
(8×2=16)
What is ring test?
What is laughing gas?
What is iodized salt?
Why HF is a weak acid?
Differentiate between homocyclic and hetrocyclic compounds?
Define functional group? Writ down the names of three functional groups containing oxygen?
What is clemenson reduction?
What is Baeyer’s test?
Convert ethyne into benzene?
What are the conditions for the production of smog?
What is BOD?
What are the primary and secondary pollutant?
4.
i.
ii.
iii.
iv.
v.
vi.
vii.
viii.
ix.
Write Short answers to any SIX (6) questions:
What is borax bead test?
Differentiate between CO2 and SiO2.
What is chemical garden?
Convert benzene into maleic acid?
What is iodoform test?
What is bakelite? How it is produced?
What is sliver mirror test?
What are essential and non essential amino acids?
(6×2=12)
Write down mechanism of reaction between acetic acid and thionyl chloride
Section-II
Note: Attempt any THREE questions. All questions carry equal marks.
5. (a) Explain Halides. Discuss its various types. Also discuss its periodic trend.
(b) Give eight points of differences between lithium and other members of the family.
6. (a) Discus Beckmann method for the production of bleaching powder.
(b) Explain the formation of urea. Also discuss its flow sheet diagram.
7. (a) what is cracking? Discuss its types in detail.
(b) What is SN2 reaction? Discuss in detail.
8. (a) Write a note on acidic character of alkynes.
(b) What is aldol condensation. Discuss its mechanism in detail.
9. (a) what is sulphonation? Discuss its mechanism in detail.
(b) How ethyl alcohol is prepared on industrial scale from molasses and starch?
(8 ×3 =24)
(4)
(4)
(4)
(4)
(4)
(4)
(4)
(4)
(4)
(4)
68
2:40 Hrs