P - Block Elements Test

Result

P - Block Elements Test - 8

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

Carbon cannot be used in the reduction of Al₂O₃ because

A
it is an expensive proposition

B
the enthalpy of formation of CO₂ is more than that of Al₂O₃

C
pure carbon is not easily available

D
the enthalpy of formation of Al₂O₃ is too high
Question 2
4 / -1

Tincal is

A

B
NaNO₃

C

D
NaCl
Question 3
4 / -1

Inorganic benzene is

A
B₃ H₃ N₃

B
BH₃ NH₃

C
B₃ H₆ N₃

D
H₃ B₃ N₆
Question 4
4 / -1

In alumino thermic process, Al is used as

A
reducing agent

B
oxidising agent

C
catalyst

D
electrolyte

Solution
Question 5
4 / -1

Which is a correct statement about diborane structure?

A
All HBH bond angles are equal

B
All H—B bond lengths are equal

C
It has two 3-centre-2 electron bonds

D
All hydrogen and boron atoms are in one plane
Question 6
4 / -1

Which one of the following is the correct statement ?

A
Boric acid is a protonic acid

B
Beryllium exhibits coordination number of six

C
Chlorides of both beryllium and aluminium have bridged chloride structures in solid phase

D
Question 7
4 / -1

Boron halides behave as Lewis acids because of their........nature.

A
proton donor

B
covalent

C
electron deficient

D
ionising
Question 8
4 / -1

Bauxite ore is made up of Al₂O₃ + SiO₂ + TiO₂ + Fe₂O₃ . This ore is treated with conc. NaOH solution at 500 K and 35 bar pressure for few hours and filtered hot. In the filtrate the species present, are

A
NaAl(OH)₄

B
Na₂Ti(OH)₆

C
NaAl(OH)₄ and Na₂ SiO₃

D
Na₂ SiO₃

Solution
Question 9
4 / -1

Potash alum dissolves in water to give a/an

A
acidic solution of H₂ SO₄

B
alkaline solution

C
acidic solution of HCl

D
neutral solution
Question 10
4 / -1

The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence :

A
Ga < In < Al < Tl

B
Al < Ga < In < Tl

C
Tl < In < Ga < Al

D
In < Tl < Ga < Al

User

Question Analysis

Correct -
Wrong -
Skipped -

My Perfomance

Score
-
out of -
Rank
-
out of -

Re-Attempt Weekly Quiz Competition

P - Block Elements Test - 8

Result

P - Block Elements Test - 8

Score

-

Rank

-

SHARING IS CARING

Question 1

it is an expensive proposition

the enthalpy of formation of CO2 is more than that of Al2O3

pure carbon is not easily available

the enthalpy of formation of Al2O3 is too high

Question 2

NaNO3

NaCl

Question 3

B3 H3 N3

BH3 NH3

B3 H6 N3

H3 B3 N6

Question 4

reducing agent

oxidising agent

catalyst

electrolyte

Solution

Question 5

All HBH bond angles are equal

All H—B bond lengths are equal

It has two 3-centre-2 electron bonds

All hydrogen and boron atoms are in one plane

Question 6

Boric acid is a protonic acid

Beryllium exhibits coordination number of six

Chlorides of both beryllium and aluminium have bridged chloride structures in solid phase

Question 7

proton donor

covalent

electron deficient

ionising

Question 8

NaAl(OH)4

Na2Ti(OH)6

NaAl(OH)4 and Na2 SiO3

Na2 SiO3

Solution

Question 9

acidic solution of H2 SO4

alkaline solution

acidic solution of HCl

neutral solution

Question 10

Ga < In < Al < Tl

Al < Ga < In < Tl

Tl < In < Ga < Al

In < Tl < Ga < Al

User

Question Analysis

My Perfomance

Score

-

Rank

-

Results Announcement on: coming Monday

Stay Tuned: We’ll update you on your result via email or SMS.

the enthalpy of formation of CO₂ is more than that of Al₂O₃

the enthalpy of formation of Al₂O₃ is too high

NaNO₃

B₃ H₃ N₃

BH₃ NH₃

B₃ H₆ N₃

H₃ B₃ N₆

NaAl(OH)₄

Na₂Ti(OH)₆

NaAl(OH)₄ and Na₂ SiO₃

Na₂ SiO₃

acidic solution of H₂ SO₄