11th Standard Syllabus & Materials
11th Standard
TN 11th Tamil இயற்கை வேளாண்மை,சுற்றுச்சூழல் -செய்யுள் - மனோன்மணீயம் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil என்னுயிர் என்பேன் -துணைப்பாடம் - இசைத்தமிழர் இருவர் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
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NEW11th Standard
TN 11th Tamil பீடு பெற நில் - இலக்கணம் - பகுபத உறுப்புகள் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - துணைப்பாடம் - வாடிவாசல் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - செய்யுள் - குறுந்தொகை Important Questions And Answers Study Material - QB365 Set A

Published on: 10/11/2020
11th Standard Chemistry English Medium Free Online Test Book Back One Mark Questions - Part Two
Download Tamil Nadu 11th Standard Chemistry question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
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1.
Which of the following is natural and human disturbance in ecology ?
Forest fire
Floods
Acid rain
Green house effect
2.
Of the following compounds, which has the highest boiling point?
n-Butyl chloride
Isobutyl chloride
t-Butyl chloride
n-propyl chloride
3.
\({ C }_{ 2 }{ H }_{ 5 }Br+2Na\overset { dry\quad ether }{ \longrightarrow } { C }_{ 4 }{ H }_{ 10 }+2NaBr\) The above reaction is an example of which of the following
Reimer Tiemann reaction
Wurtz reaction
Aldol condensation
Hoffmann reaction
4.
What is the hybridisation state of benzyl carbonium ion ?
sp2
spd2
sp3
sp2d
5.
In the hydrocarbo \(\overset { 7 }{ { CH }_{ 3 } } -\overset { 6 }{ { CH }_{ 2 } } -\overset { 5 }{ CH } =\overset { 4 }{ CH } -\overset { 3 }{ { CH }_{ 2 } } -\overset { 2 }{ C } =\overset { 1 }{ CH } \) the state of hybridisation of carbon 1,2,3,4 and 7 are in the following sequence.
sp, sp, sp3, sp2, sp3
sp2, sp, sp3, sp2, sp3
sp, sp, sp2, sp, sp3
none of these
6.
In the molecule OA = C = OB, the formal charge on OA, C and OB are respectively.
-1, 0, +1
+1, 0, -1
-2, 0, +2
0, 0, 0
7.
Which of the following concentration terms is/are independent of temperature _____________
molality
molarity
mole fraction
(a) and (c)
8.
At a given temperature and pressure, the equilibrium constant values for the equilibria
\({ 3A }_{ 2 }+{ B }_{ 2 }+2C\overset { { K }_{ 1 } }{ \rightleftharpoons } { 2A }_{ 3 }BC\) and
\({ A }_{ 3 }BC\overset { { K }_{ 2 } }{ \rightleftharpoons } 3/2\left[ { A }_{ 2 } \right] +\frac { 1 }{ 2 } { B }_{ 2 }+C\)
The relation between K1 and K2 is ___________
\(K_1={1\over \sqrt{K_2}}\)
\(K_2=K_1^{-1/2}\)
\(K_1^2=2K_2\)
\({K_1\over 2}=K_2\)
9.
All the naturally occurring processes proceed spontaneously in a direction which leads to _______________
decrease in entropy
increase in enthalpy
increase in free energy
decrease in free energy
10.
Rate of diffusion of a gas is ________
directly proportional to its density
directly proportional to its molecular weight
directly proportional to its square root of its molecular weight
inversely proportional to the square root of its molecular weight
1.
(a)
Forest fire
2.
(a)
n-Butyl chloride
3.
(b)
Wurtz reaction
4.
(a)
sp2
5.
(a)
sp, sp, sp3, sp2, sp3
6.
(d)
0, 0, 0
7.
(d)
(a) and (c)
8.
(b)
\(K_2=K_1^{-1/2}\)
9.
(d)
decrease in free energy
10.
(d)
inversely proportional to the square root of its molecular weight
11th Standard Syllabus & Materials
11th Standard
TN 11th Tamil பீடு பெற நில் - செய்யுள் - காவடிச்சிந்து Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - உரைநடை - மலை இடப்பெயர்கள் : ஓர் ஆய்வு Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil மாமழை போற்றுதும் - துணைப்பாடம் - யானை டாக்டர் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil மாமழை போற்றுதும் - செய்யுள் - ஐங்குறுநூறு Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 11th Standard Subjects

Maths

Commerce

Economics

Biology

Business Maths and Statistics

Accountancy

Computer Science

Physics

Chemistry

Maths

Biology

Economics

Physics

Chemistry

History

Business Maths and Statistics

Computer Science

Accountancy

Computer Applications

History

Computer Technology

Commerce

Computer Applications

Computer Technology

Tamil

English

French
Tamilnadu Stateboard Standards