The p-Block Elements Test

Result

The p-Block Elements Test - 69

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following species is most unstable?

A
$$Li^-$$

B
$$N^-$$

C
$$C^-$$

D
$$O^-$$
Question 2
1 / -0

Which of the following halogen form only one oxyacids (HOX)?

A
$$F$$

B
$$Br$$

C
$$I$$

D
$$Cl$$
Question 3
1 / -0

Which of the following noble gases can be called the hidden one?

A
$$Xe$$

B
$$He$$

C
$$Ar$$

D
$$Kr$$

Solution
Question 4
1 / -0

$${\text{Xe}}{{\text{F}}_{\text{6}}}$$ on partial hydrolysis with water produces a compound 'X'. The same compound 'X' is formed when $${\text{Xe}}{{\text{F}}_{\text{6}}}$$ reacts with silica. The compound 'X' is:

A
$${\text{Xe}}{{\text{F}}_2}$$

B
$$\,\,{\text{Xe}}{{\text{F}}_4}$$

C
$$\,\,{\text{XeO}}{{\text{F}}_4}$$

D
$$\,\,{\text{Xe}}{{\text{O}}_3}$$

Solution
Question 5
1 / -0

In which of the following pairs, the second atom is larger than the first?

A
$$N,\ P$$

B
$$Br,\ Cl$$

C
$$Ba,\ Sr$$

D
$$Mg,\ Al$$

Solution
Question 6
1 / -0

In which of the following liquids phosphorus is generally stored?

A
Alcohol

B
Sugar solution

C
Water

D
Kerosene

Solution
Question 7
1 / -0

Preparation of $${ Cl }_{ 2 }$$ from $$HCl$$ and $${ MnO }_{ 2 },$$ involves the process of

A
Oxidation of $${ MnO }_{ 2 }$$

B
Reduction of $${ MnO }_{ 2 }$$

C
Dehydration

D
Oxidation of chlride ion

Solution
Question 8
1 / -0

Which of the following compound does not liberate ammonia gas on refluxing with aqueous NaOH?

A

B

C

D

Solution
Question 9
1 / -0

A nitrate which on heating liberates oxygen as the only gaseous product is:

A
$${ NaNO }_{ 3 }$$

B
$$Mg{ \left( NO_{ 3 } \right) }_{ 2 }$$

C
$${ AgNO }_{ 3 }$$

D
$$Pb\left( { NO }_{ 3 } \right) _{ 2 }$$
Question 10
1 / -0

Which of the following has highest chlorine content ?

A
Pyrene

B
DDT

C
Chloral

D
Gammaxene

Solution