#### 11th Standard Chemistry English Medium Free Online Test Creative 1 Mark Questions - Part Two

11th Standard

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Chemistry

Time : 00:10:00 Hrs
Total Marks : 10

10 x 1 = 10
1. Which of the following statement(s) is/are not true about the following decomposition reaction.
2KClO3 $\longrightarrow$ 2KCl + 3O2
(i) Potassium is undergoing oxidation
(ii) Chlorine is undergoing oxidation
(iii) Oxygen is reduced
(iv) None of the species are undergoing oxidation and reduction.

(a)

only (iv)

(b)

(i) and (iv)

(c)

(iv) and (iii)

(d)

All of these

2. Which of the following provides the experimental justification of magnetic quantum number?

(a)

Zeeman effect

(b)

Stark effect

(c)

Uncertainty principle

(d)

Quantum condition

3. Group 16 constitutes_____family.

(a)

halogen

(b)

nobel gas

(c)

chalcogen

(d)

alkali metals

4. Hydrogen combines with carbon monoxide in the presence of copper catalyst will synthesise-------

(a)

Ethanol

(b)

Methane

(c)

Methanol

(d)

Methanal

5. Match the list I with List II and select the correct answer using. the code given below the lists.

List I List II
A Gypsum 1 Bleaching Powder
B Plaster of paris 2 Chlorophyll
C Slaked lime 3 Statues
D Magnesium 4 Satin spar
(a)
 A B C D 1 3 2 4
(b)
 A B C D 4 3 1 2
(c)
 A B C D 3 4 1 2
(d)
 A B C D 2 1 4 3
6. Which one of the following is the formula of limestone?

(a)

CaO

(b)

Ca(OH)2

(c)

CaCO3

(d)

CaCO3.MgCO3

7. The isotherm obtained for CO is as follows:

The compressibility factor for the gas at point ' A' will be:

(a)

$(1-\frac{b}{V})$

(b)

$(1+\frac{b}{V})$

(c)

$(1+\frac{b}{RT})$

(d)

$(1+\frac{a}{RTV})$

8. The change in enthalpy of NaOH + HCl ⟶ NaCI + H2O is called ------

(a)

Heat of reaction

(b)

Heat of neutralization

(c)

Heat of formation

(d)

Heat of liquid

9. The standard substance used in the enthalpy of combustion of a substance in bomb calorimeter is _______

(a)

methane

(b)

acetic acid

(c)

propane

(d)

benzoic acid

10. The value of equilibrium constant of the reaction,
${ HI }_{ \left( g \right) }\rightleftharpoons \cfrac { 1 }{ 2 } { H }_{ 2\left( g \right) }+\cfrac { 1 }{ 2 } { I }_{ 2\left( g \right) }$ is 8.0. The equilibrium constant of the reaction; ${ H }_{ 2\left( g \right) }+I_{ 2\left( g \right) }\rightleftharpoons { 2HI }_{ \left( g \right) }$

(a)

$\cfrac { 1 }{ 8 }$

(b)

$\cfrac { 1 }{ 16 }$

(c)

16

(d)

$\cfrac { 1 }{ 64 }$