Advertisements
Advertisements
प्रश्न
Which of the following elements can be involved in pπ – dπ bonding?
पर्याय
Carbon
Nitrogen
Phosphorus
Boron
Advertisements
उत्तर
Phosphorus
Explanation:
Because of the lack of d-orbitals in its valence shell, nitrogen, carbon, and boron cannot form pπ – dπ. However, phosphorus can form pπ + dπ bonds.
APPEARS IN
संबंधित प्रश्न
What is the covalence of nitrogen in N2O5?
How is nitrogen prepared in the laboratory? Write the chemical equations of the reactions involved.
Give the resonating structure of N2O5.
Explain why NH3 is basic while BiH3 is only feebly basic.
Which of the following is a basic oxide?
(A) SiO2
(B) P4O10
(C) MgO
(D) Al2O3
Write balanced chemical equations for action of potassium permanganate on Warm conc. sulphuric acid
Account for the following :
Bond angle in NH+4NH4+ is higher than NH3.
Tendency to show –3 oxidation state decrease from Nitrogn (N) to Bismuth (Bi).
Among the 15th group elements, as we move from nitrogen to bismuth, the pentavalency becomes less pronounced and trivalency becomes more pronounced due to:
Pure nitrogen is prepared in the laboratory by heating a mixture of:
Which of the following oxides of nitrogen is a coloured gas?
In which one of the following oxides of nitrogen, one nitrogen atom is not directly linked to oxygen?
Which of the following oxides of nitrogen reacts with FeSO4 to form a dark brown compound?
On heating lead (II) nitrate gives a brown gas “A”. The gas “A” on cooling changes to colourless solid “B”. Solid “B” on heating with NO changes to a blue solid ‘C’. Identify ‘A’, ‘B’ and ‘C’ and also write reactions involved and draw the structures of ‘B’ and ‘C’.
Assertion: Nitrogen and oxygen are the main components in the atmosphere but these do not react to form oxides of nitrogen.
Reason: The reaction between nitrogen and oxygen requires high temperature.
