12th Chemistry Monthly Test - 2 ( p-Block Elements-II )

St. Britto Hr. Sec. School - Madurai

12th Chemistry Monthly Test - 2 ( p-Block Elements-II )-Aug 2020

Time : 2.00 Hours

Part - A

Generic 2 - Answer All Question

What is phosphoresencer?

Arrange the following as indicated below:
(i) F_2' Cl₂, Br₂, I₂ - increasing bond dissociation enthalpy.
(ii) HF, HCI, HBr, HI - increasing acidic strength.

Why does ozone act as a powerful oxidising agent?

Give the oxidation state of halogen in the following.
a) OF₂
b) O₂F₂
c) Cl₂O₃
d) I₂O₄

(i) Give correct order of boiling point of hydride of group 17.
(ii) Fluorine exhibits only -1 oxidation state whereas other halogens show +1, +3, +5 and +7 oxidation state also Explain.

Explain Why inspite of nearly the same electronegativity, nitrogen forms hydrogen bonding while chlorine does not - Give reason.

Give two uses of nitric acid
How is nitrogen prepared from liquid air?

Account for the following:
(i) O-O bond lengths in ozone molecule are identical.
(ii) Most of the reactions in fluorine are exothermic.

Acidic character increases from HF to HI. I State whether the above statement is True or false and give reason for your answer.

What is the reaction of Phosphorous with alkali?

How would you account for the following? The electron gain enthalpy with negative sign is less for oxygen than that of sulphur.

Give reason for the following:
F₂ is more reactive than CIF₃ but CIF₃ is more reactive than Cl₂

Why hydrides of oxygen is a liquid whereas hydride of sulphur is a gas?

Discuss the oxidising power of fluorine

How is SO₂ an air pollutant?

Chalcogens belongs to p-block. Give reason.

Why fluorine is more reactive than other halogens?

What is inert pair effect?

How is ammonia prepared in the lab?

Although \(\triangle\)H of fluorine is less negative than that of chlorine, but fluorine is a stronger oxidising agent than chlorine, why?

Give the reason for bleaching action of Cl₂.

Give the uses of helium.
Explain why fluorine always exhibit an oxidation state of -1?

Give two uses of nitrogen

(i) Nitric oxide becomes brown when released in air.why?
(ii) BiCl₃ is more stable than BiCl₃, Why?

Elements of group 16 show lower value of first ionization enthalpy compared to group 15, why?

Part - B

Generic 5 - Answer All Question

Give two equations to illustrate the chemical behaviour of phosphine.

Complete the following reactions.
1. NaCl + MnO₂ + H₂SO₄ ⟶
2. NaNO₂ + HCl ⟶
3. IO₃-+ I^- + H⁺ ⟶
4. I₂ + S₂O₃^2- ⟶
5. P₄ + NaOH + H₂O ⟶
6. AgNO₃ + PH₃ ⟶
7. Mg + HNO₃ ⟶
8. KCIO₃ \(\overset { a }{ \longrightarrow } \)
9. \(\quad Cu+\overset { Hotconc }{ { H }_{ 2 }SO_{ 4 } } \) ⟶
10. Sb + Cl₂ ⟶
11. HBr + H₂SO₄ ⟶
12. XeF₆ + H₂O ⟶
13. XeO₆^4- + Mn²⁺ + H⁺ ⟶
14. XeOF₄ + SiO₂ ⟶
15. \(Xe+{ F }_{ 2 }\overset { Ni/200atm }{ \underset { 400^{ 0 }C }{ \longrightarrow } } \).
Deduce the oxidation number of oxygen in hypofluorous acid – HOF.

Explain the structure of inter halogen compounds

What are the properties of inter halogen compounds?

Explain the oxidising property of sulphuric acid.

Write the valence shell electronic configuration of group-15 elements.

An element 'A' occupies group number 15 and period number 3. It reacts with chlorine: to giveBwhich further reacts with chlorine to giveCat 273K. Both Band Care chlorinating agents for organic compounds. C is a better chlorinating agent because it chlorinates metals also.Breacts with SO3and reduces it to SO₂' B has a pyramidal shape. C has trigonal bipyramidal shape by sp³d hybridisation. Identify the element A and the compounds B ' and C. Write the reactions.

Complete the following reactions
(i) KCIO₃\(\longrightarrow \)?
(ii) ZnS + O₂\(\longrightarrow \) ?
(iii) Al₂O₃ + NaOH + H₂O\(\longrightarrow \) ?
(iv) NaOH + SO₂\(\longrightarrow \) ?
(v) KCI+ H₂SO₄ \(\longrightarrow \) ?

Give the uses of argon.

Explain the bleaching action of Chlorine.

Comment

Add Comment

InstaQB

Institutions

12th Standard English Medium

12th Standard Tamil Medium

11th Standard English Medium

11th Standard Tamil Medium

10th Standard English Medium

9th Standard English Medium

8th Standard English Medium

7th Standard English Medium

Class XII

Class XI

12Th Standard

11Th Standard

10Th Standard

9Th Standard

12th Chemistry Monthly Test - 2 ( p-Block Elements-II )

St. Britto Hr. Sec. School - Madurai

12th Chemistry Monthly Test - 2 ( p-Block Elements-II )-Aug 2020

Part - A

Generic 2 - Answer All Question

What is phosphoresencer?

Arrange the following as indicated below: (i) F2' Cl2, Br2, I2 - increasing bond dissociation enthalpy. (ii) HF, HCI, HBr, HI - increasing acidic strength.

Why does ozone act as a powerful oxidising agent?

Give the oxidation state of halogen in the following. a) OF2 b) O2F2 c) Cl2O3 d) I2O4

(i) Give correct order of boiling point of hydride of group 17. (ii) Fluorine exhibits only -1 oxidation state whereas other halogens show +1, +3, +5 and +7 oxidation state also Explain.

Explain Why inspite of nearly the same electronegativity, nitrogen forms hydrogen bonding while chlorine does not - Give reason.

Give two uses of nitric acid

How is nitrogen prepared from liquid air?

Account for the following: (i) O-O bond lengths in ozone molecule are identical. (ii) Most of the reactions in fluorine are exothermic.

Acidic character increases from HF to HI. I State whether the above statement is True or false and give reason for your answer.

What is the reaction of Phosphorous with alkali?

How would you account for the following? The electron gain enthalpy with negative sign is less for oxygen than that of sulphur.

Give reason for the following: F2 is more reactive than CIF3 but CIF3 is more reactive than Cl2

Why hydrides of oxygen is a liquid whereas hydride of sulphur is a gas?

Discuss the oxidising power of fluorine

How is SO2 an air pollutant?

Chalcogens belongs to p-block. Give reason.

Why fluorine is more reactive than other halogens?

What is inert pair effect?

How is ammonia prepared in the lab?

Although \(\triangle\)H of fluorine is less negative than that of chlorine, but fluorine is a stronger oxidising agent than chlorine, why?

Give the reason for bleaching action of Cl2.

Give the uses of helium.

Explain why fluorine always exhibit an oxidation state of -1?

Give two uses of nitrogen

(i) Nitric oxide becomes brown when released in air.why? (ii) BiCl3 is more stable than BiCl3, Why?

Elements of group 16 show lower value of first ionization enthalpy compared to group 15, why?

Part - B

Generic 5 - Answer All Question

Give two equations to illustrate the chemical behaviour of phosphine.

Deduce the oxidation number of oxygen in hypofluorous acid – HOF.

Explain the structure of inter halogen compounds

What are the properties of inter halogen compounds?

Explain the oxidising property of sulphuric acid.

Write the valence shell electronic configuration of group-15 elements.

Complete the following reactions (i) KCIO3\(\longrightarrow \)? (ii) ZnS + O2\(\longrightarrow \) ? (iii) Al2O3 + NaOH + H2O\(\longrightarrow \) ? (iv) NaOH + SO2\(\longrightarrow \) ? (v) KCI+ H2SO4 \(\longrightarrow \) ?

Give the uses of argon.

Explain the bleaching action of Chlorine.

Comment

Other Study material

12th Chemistry Weekly Test - 3 ( Chemistry in Ever

12th Chemistry Weekly Test - 1 (Hydroxy Compounds

12th Chemistry Monthly Test - 3 ( Surface Chemistr

12th Chemistry Weekly Test - 4 ( Hydroxy Compounds

12th Chemistry Weekly Test - 3 ( Hydroxy Compounds

12th Chemistry Weekly Test - 2 ( Hydroxy Compounds

12th Chemistry weekly Test - 4 ( Electro Chemistry

12th Chemistry Monthly Test - 1 ( Electro Chemistr

12th Chemistry Monthly Test - 2 ( Electro Chemistr

12th Chemistry Monthly Test - 3 ( Electro Chemistr

12th Chemistry Weekly Test - 1 ( Surface Chemistry

12th Chemistry Weekly Test - 2 ( Surface Chemistry

12th Chemistry Weekly Test - 3 ( Surface Chemistry

12th Chemistry Weekly Test - 4 ( Surface Chemistry

12th Chemistry Monthly Test - 1 (Surface Chemistry

Tamilnadu Stateboardszs - Class

Arrange the following as indicated below:
(i) F_2' Cl₂, Br₂, I₂ - increasing bond dissociation enthalpy.
(ii) HF, HCI, HBr, HI - increasing acidic strength.

Give the oxidation state of halogen in the following.
a) OF₂
b) O₂F₂
c) Cl₂O₃
d) I₂O₄

(i) Give correct order of boiling point of hydride of group 17.
(ii) Fluorine exhibits only -1 oxidation state whereas other halogens show +1, +3, +5 and +7 oxidation state also Explain.

Account for the following:
(i) O-O bond lengths in ozone molecule are identical.
(ii) Most of the reactions in fluorine are exothermic.

Give reason for the following:
F₂ is more reactive than CIF₃ but CIF₃ is more reactive than Cl₂

How is SO₂ an air pollutant?

Give the reason for bleaching action of Cl₂.

(i) Nitric oxide becomes brown when released in air.why?
(ii) BiCl₃ is more stable than BiCl₃, Why?

Complete the following reactions
(i) KCIO₃\(\longrightarrow \)?
(ii) ZnS + O₂\(\longrightarrow \) ?
(iii) Al₂O₃ + NaOH + H₂O\(\longrightarrow \) ?
(iv) NaOH + SO₂\(\longrightarrow \) ?
(v) KCI+ H₂SO₄ \(\longrightarrow \) ?