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XI (OMMON HALF-YEARLY ExAMINATIDN- 202%Time: 3.oo hrs .
CHEMISTRY
THO0THUKUDI DisTRIcT MARKS! 10
Answer
1. Key
|80
X6.023 X D
18
(c)= b 023 x 10T molecules of water
2. (a) lilae (violet)
3. (d) Caso, ½ H,O
A: (d)
S.
Negative Glucose
m wB l000
X
WA th Mol.cot
Hro CMB)
)
tobo
c) o. 04 M
6. (a CH2 cH - CH,
CHg
gluse. carbow atom.
Reason: Presenee of hiral
8-(as Planar
4.
(b (23 2p ( 35,3p) (sd) (4s?)
Tnner shell (n-)
(lhoo)
|8 (4s elechron)
For 3d elechow
S Oxo 3s 4 |x 18
3.
Zepf
Z- S 2| - I8
Zeff option (b)
, (-) = o
C + 2(+) + 2
|. (co H,o
12. (as Or tho ni trophenol
13. (d) 4
I4: (do Baye's reagnt
5. (e) V nRT
PART-0
24. cl
compulaony NO
(a)
dichlorobeneene
m-dinitobenzene
21. Tritium prepared
gLi +
T+,He'
Titum
kp= ke CRT)
2 HI (4)
eg: H, c4)+ I, cq)
2 NO (9)
20. Ihe molal depresslon Consiant (K) s
equalmolal
soluton
depression in free zng potnt afor One
TT dependa the number Solute þar tides
present to hature
r the Soluton and inde pendent
of he &olute.
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