covalency of oxygen cannot exceed 2 unlike sulphur which

Covalency of oxygen cannot exceed 2 unlike sulphur which can show + 4 or + 6 because

A. oxygen atom does not have $$d$$ - orbitals

B. oxygen atom has two unpaired electrons in its valence shell

C. oxygen can form a double bond with another oxygen atom

D. electrons of oxygen atom cannot be promoted to $$d$$ - orbitals due to its small size

Answer : oxygen atom does not have $$d$$ - orbitals

Solution :
Valence shell electronic configuration of oxygen is $$2{s^2}2{p^4}.$$

Releted MCQ Question on
Inorganic Chemistry >> P - Block Elements

Releted Question 1

The reddish brown coloured gas formed when nitric oxide is oxidised by air is

A. $${N_2}{O_5}$$

B. $${N_2}{O_4}$$

C. $$N{O_2}$$

D. $${N_2}{O_3}$$

View Answer

Releted Question 2

The temporary hardness of water due to calcium carbonate can be removed by adding —

A. $$CaC{O_3}$$

B. $$Ca{\left( {OH} \right)_2}\,$$

C. $$CaC{l_2}$$

D. $$\,HCl$$

View Answer

Releted Question 3

Which of the following is most stable to heat

A. $$HCl$$

B. $$HOCl$$

C. $$HBr$$

D. $$HI$$

View Answer

Releted Question 4

White $$P$$ reacts with caustic soda. The products are $$P{H_3}$$ and $$Na{H_2}P{O_2}.$$ This reaction is an example of

A. Oxidation

B. Reduction

C. oxidation and reduction

D. Neutralisation

View Answer

Covalency of oxygen cannot exceed 2 unlike sulphur which can show + 4 or + 6 because

Releted MCQ Question on
Inorganic Chemistry >> P - Block Elements

The reddish brown coloured gas formed when nitric oxide is oxidised by air is

The temporary hardness of water due to calcium carbonate can be removed by adding —

Which of the following is most stable to heat

White $$P$$ reacts with caustic soda. The products are $$P{H_3}$$ and $$Na{H_2}P{O_2}.$$ This reaction is an example of

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P - Block Elements

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Covalency of oxygen cannot exceed 2 unlike sulphur which can show + 4 or + 6 because

Releted MCQ Question on Inorganic Chemistry >> P - Block Elements

The reddish brown coloured gas formed when nitric oxide is oxidised by air is

The temporary hardness of water due to calcium carbonate can be removed by adding —

Which of the following is most stable to heat

White $$P$$ reacts with caustic soda. The products are $$P{H_3}$$ and $$Na{H_2}P{O_2}.$$ This reaction is an example of

Practice More Releted MCQ Question on P - Block Elements

Practice More MCQ Question on Chemistry Section

Releted MCQ Question on
Inorganic Chemistry >> P - Block Elements

Practice More Releted MCQ Question on
P - Block Elements