11th Standard Syllabus & Materials
11th Standard
Tamilnadu 11th Standard Tamil மொழி கலை -செய்யுள் - ஒவ்வொரு புல்லையும் Important Questions And Answers Study Material - QB365
NEW11th Standard
Tamilnadu 11th Standard Tamil கேடில் விழுச்செல்வம் - உரைநடை - தமிழகக் கல்வி வரலாறு Important Questions And Answers Study Material - QB365
NEW11th Standard
Tamilnadu 11th Standard Tamil பீடு பெற நில் - இலக்கணம் - பகுபத உறுப்புகள் Important Questions And Answers Study Material - QB365
NEW11th Standard
Tamilnadu 11th Standard Tamil பீடு பெற நில் - செய்யுள் - குறுந்தொகை Important Questions And Answers Study Material - QB365 Set B
NEW11th Standard
Tamilnadu 11th Standard Tamil பீடு பெற நில் - செய்யுள் - குறுந்தொகை Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
Tamilnadu 11th Standard Tamil பீடு பெற நில் - செய்யுள் - காவடிச்சிந்து Important Questions And Answers Study Material - QB365 Set B
Published on: 10/11/2020
11th Standard Chemistry English Medium Free Online Test Book Back 1 Mark Questions with Answer Key - Part Three
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.
Questions + Answers key
Take MCQ Chemistry Test
1.
Identify the wrong statement.
Amongst the isoelectronic species, smaller the positive charge on cation, smaller is the ionic radius
Amongst isoelectric species greater the negative charge on the anion, larger is the ionic radius
Atomic radius of the elements increases as one moves down the first group of the periodic table
Atomic radius of the elements decreases as one moves across from left to right in the 2nd period of the periodic table.
2.
Assertion: 
is 3– carbethoxy -2- butenoicacid
Reason: The principal functional group gets lowest number followed by double bond (or) triple bond.
both the assertion and reason are true and the reason is the correct explanation of assertion
both assertion and reason are true and the reason is not the correct explanation of assertion
assertion is true but reason is false
both the assertion and reason are false
3.
The percentage of s-character of the hybrid orbitals in methane, ethane, ethene and ethyne are respectively ___________
25, 25, 33, 3, 50
50, 50, 33, 3, 25
50, 25, 33, 3, 50
50, 25, 25, 50
4.
A 20 litre container at 400 K contains CO2 (g) at pressure 0.4 atm and an excess of SrO (neglect the volume of solid SrO). The volume of the container is now decreased by moving the movable piston fitted in the container. The maximum volume of the container, when pressure of CO2 attains its maximum value will be: Given that: SrCO3 (S) ⇌ SrO (S) + CO2(g)
KP = 1.6 atm
2 litre
5 litre
10 litre
4 litre
5.
In a closed room of 1000 m3 a perfume bottle is opened up. The room develops smell. This is due to which property of gases _____________
Viscosity
Density
Diffusion
None
6.
The values of ΔH and ΔS for a reaction are respectively 30 kJ mol-1 and 100 JK-1 mol-1. Then the temperature above which the reaction will become spontaneous is ______________
300 K
30 K
100 K
200 C
7.
When 22.4 litres of H2(g) is mixed with 11.2 litres of Cl2(g), each at 273 K at 1 atm the moles of HCl (g), formed is equal to ______.
2 moles of HCl (g)
0.5 moles of HCl (g)
1.5 moles of HCl (g)
1 moles of HCl (g)
8.
For d-electron, the orbital angular momentum is ___________
\(\frac { \sqrt { 2 } h }{ 2\pi } \)
\(\\ \frac { \sqrt { 2h } }{ 2\pi } \)
\(\frac { \sqrt { 2\times 4 } h }{ 2\pi } \)
\(\frac { \sqrt { 6 } h }{ 2\pi } \)
9.
Zeolite used to soften hardness of water is hydrated _____________
Sodium aluminium silicate
Calcium aluminium silicate
Zinc aluminium borate
Lithium aluminium hydride
10.
Assertion: An ideal solution obeys Raoults Law
Reason: In an ideal solution, solvent-solvent, as well as solute-solute interactions, are similar to solute-solvent interactions.
a) both assertion and reason are true and reason is the correct explanation of assertion
b) both assertion and reason are true but reason is not the correct explanation of assertion
c) assertion is true but reason is false
d) both assertion and reason are false
both assertion and reason are true and reason is the correct explanation of assertion
both assertion and reason are true but reason is not the correct explanation of assertion
assertion is true but reason is false
both assertion and reason are false
1.
(a)
Amongst the isoelectronic species, smaller the positive charge on cation, smaller is the ionic radius
2.
(a)
both the assertion and reason are true and the reason is the correct explanation of assertion
3.
(a)
25, 25, 33, 3, 50
4.
(b)
5 litre
5.
(c)
Diffusion
6.
(a)
300 K
7.
(d)
1 moles of HCl (g)
8.
(d)
\(\frac { \sqrt { 6 } h }{ 2\pi } \)
9.
(a)
Sodium aluminium silicate
10.
both assertion and reason are true and reason is the correct explanation of assertion
11th Standard Syllabus & Materials
11th Standard
Tamilnadu 11th Standard Tamil பீடு பெற நில் - செய்யுள் - காவடிச்சிந்து Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
Tamilnadu 11th Standard Tamil பீடு பெற நில் - உரைநடை - மலை இடப்பெயர்கள் : ஓர் ஆய்வு Important Questions And Answers Study Material - QB365 Set B
NEW11th Standard
Tamilnadu 11th Standard Tamil பீடு பெற நில் - உரைநடை - மலை இடப்பெயர்கள் : ஓர் ஆய்வு Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
Tamilnadu 11th Standard Tamil மாமழை போற்றுதும் - செய்யுள் - ஐங்குறுநூறு Important Questions And Answers Study Material - QB365 Set B
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
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