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TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A

Published on: 22/08/2026
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1.
[Pt(NH3)4][CuCl4] & [Cu(NH3)4][PtCl4] are example of ________.
ionisation isomers
coordination isomers
linkage liomers
solvate isomers
2.
According to Werner's theory for [Co(NH3)6]Cl3. The primary and secondary valences are ________.
4, 5
2, 6
3, 6
1, 5
3.
Chloropicrin (CCI3NO2) is used as
dyes
pharmaceuticals
explosives
soil sterilizing agents
4.
Nitration of nitrobenzene results in
o-dinitrobenzene
1,3,5 trinitrobenzene
m-dinitrobenzene
p-dinitrobenzene
5.
Which of the following amines does not undergo acetylation?
t – butylamine
ethylamine
diethylamine
triethylamine
6.
Secondary nitro alkanes react with nitrous acid to form _______.
red solution
blue solution
green solution
yellow solution
7.
C5H13N reacts with HNO2 to give an optically active compound – The compound is _______.
pentan – 1- amine
pentan – 2- amine
N,N – dimethylpropan -2-amine
diethyl methyl amine
8.
Which one of the following nitro compounds does not react with nitrous acid.
CH3 -CH2 -CH2 -NO2
(CH3)2 CH - CH2NO2
(CH3)3 C NO2
\({ CH }_{ 3 }-\underset { \overset { || }{ O } }{ C } -\underset { \overset { || }{ { CH }_{ 3 } } }{ CH } -{ NO }_{ 2 }\)
9.
Which one of the following will not undergo Hofmann bromamide reaction.
CH3CONHCH3
CH3CH2CONH2
CH3CONH2
C6H5CONH2
10.
_________ is known as Bayer's reagent.
Hot dilute alkaline KMnO4
Cold dilute alkaline KMnO4
Hot Conc. acidic KMnO4
Cold Conc. acidic KMnO4
11.
The general electronic configuration of 4f series of elements can be written as ________.
[Xe]4f2-14 5d0-46s2
[Xe]4f2-145d0-46s1
[Xe] 4f1-14506s1
[Xe]4f2-145d0-46s1
12.
Fac-mer isomerism is shown by _______.
[CO(en)3]3+
[Co(NH3)4(Cl)2]+
[Co(NH3)3(Cl)3]
[Co(NH3)5Cl]SO4
13.
Which type of isomerism is exhibited by [Pt(NH3)2Cl2]?
Coordination isomerism
Linkage isomerism
Optical isomerism
Geometrical isomerism
14.
In which of the following coordination entities the magnitude of Δ0 will be maximum?
[Co(CN)6]3-
[Co(C2O4)3]3-
[Co(H2O)6]3+
[Co(NH3)6]3+
15.
16.
As per IUPAC guidelines, the name of the complex [Co(en)2(ONO)Cl]Cl is _______.
chloro bis ethylenediamine nitrocobalt(III) chloride
chloridobis(ethane-1, 2-diamine)nitro K-O Cobaltate(III) chloride
chloridobis(ethane-1, 2-diammine)nitrito K-O Cobalt(II) chloride
chloridobis(ethane-1, 2-diamine)nitrito K-O Cobalt(III) chloride
17.
The actinoid elements which show the highest oxidation state of +7 are _______.
Np, Pu, Am
U, Fm, Th
U, Th, Md
Es, No, Lr
18.
The most common oxidation state of actinoids is _______.
+2
+3
+4
+6
19.
Which one of the following ions has the same number of unpaired electrons as present in V3+?
Ti3+
Fe3+
Ni2+
Cr3+
20.
Among the transition metals of 3d series, the one that has highest negative \(\left( \frac { M^{ 2+ } }{ M } \right) \) standard electrode potential is _______.
Ti
Cu
Mn
Zn
1.
(b)
coordination isomers
2.
(c)
3, 6
3.
(d)
soil sterilizing agents
4.
(c)
m-dinitrobenzene
5.
(d)
triethylamine
6.
(b)
blue solution
7.
(b)
pentan – 2- amine
8.
(c)
(CH3)3 C NO2
9.
(a)
CH3CONHCH3
10.
(b)
Cold dilute alkaline KMnO4
11.
(a)
[Xe]4f2-14 5d0-46s2
12.
(c)
[Co(NH3)3(Cl)3]
13.
14.
In all the complexes, the central metal ion is Co3+, among the given ligands CN- is the strongest ligand, which causes large crystal
field splitting i.e maximum Δ0
15.
(d)
16.
(d)
chloridobis(ethane-1, 2-diamine)nitrito K-O Cobalt(III) chloride
17.
(a)
Np, Pu, Am
18.
(b)
+3
19.
(c)
Ni2+
20.
(a)
Ti
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