The p-Block Elements Test

Result

The p-Block Elements Test - 70

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Weekly Quiz Competition

Question 1
1 / -0

To dry ammonia gas the drying agent used is:

A
anhydrous $$CaCl_2$$

B
concentrated $$H_2SO_4$$

C
$$P_4O_{10}$$

D
$$CaO$$

Solution
Question 2
1 / -0

The nomenclature of $$ICl$$ is iodine chloride because:

A
Size of $$I$$ < Size of $$Cl$$

B
Atomic number of $$I$$ > Atomic number of $$Cl$$

C
E.N. of $$I$$ < E.N. of $$Cl$$

D
E.A of $$I$$ < E. A. of $$Cl$$
Question 3
1 / -0

The shape of ammonia molecule is:

A
tetrahedral

B
pyramidal

C
$${ AB }_{ 2 }{ L }_{ 2 }$$

D
T-shaped
Question 4
1 / -0

Xe gas is evolved on the hydrolysis of?

A
$$XeF_2$$

B
$$XeF_4$$

C
$$XeF_6$$

D
Both (A) and (B)
Question 5
1 / -0

Hydrolysis of which of the following xenon fluoride is a non-redox reaction?

A
$$ XeF_2 $$

B
$$ XeF_4 $$

C
$$ XeF_6 $$

D
all the redox reactions
Question 6
1 / -0

Ammonia can be obtained by adding water to:

A
ammonium chloride

B
ammonium nitrite

C
magnesium nitride

D
magnesium nitrate

Solution
Question 7
1 / -0

Which of the following substance produces oxygen on heating?

A
Potassium Permanganate

B
Potassium Iodide

C
Potassium chloride

D
Potassium hydroxide
Question 8
1 / -0

Both N(Si$${ H }_{ 3 })_{ 3 }$$ and $$NH(SiH_{ 3 })_{ 2 }$$ compounds have trigonal planar skeleton. Incorrect statement about both compounds is:

A
SiNSi bond angle in $$NH(SiH_{ 3 })_{ 2 }$$ >SiNSi bond angle in $$N(SiH_{ 3 })_{ 3 }$$

B
N-Si bond length in $$NH(SiH_{ 3 })_{ 2 }$$ > N-Si bond length in $$N(SiH_{ 3 })_{ 3 }$$

C
N-Si bond length in $$NH(SiH_{ 3 })_{ 2 }$$ < N-Si bond length in n$$N(SiH_{ 3 })_{ 3 }$$

D
Back bonding strength in $$NH(SiH_{ 3 })_{ 2 }$$ > Back bonding strength in $$N(SiH_{ 3 })_{ 3 }$$
Question 9
1 / -0

In the manufacture of nitric acid by Ostwald's process, ___________ as a dehydrating agent is used to convert 68% by mass of $$HNO_3$$ to 98% by mass of $$HNO_3$$.

A
$$H_2SO_4$$

B
Anhydrous $$CaCl_2$$

C
Hot $$Al_2O_3$$

D
None of these

Solution
Question 10
1 / -0

Most energetic species among the following is:

A
$$H _ { 2 }$$

B
$$Ne$$

C
$$F$$

D
$$F _ { 2 }$$

Solution