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
Pb(NO3)2 on heating gives a brown gas which undergoes dimerisation on cooling? Identify the gas
Why does NO2 dimerise?
Why does the reactivity of nitrogen differ from phosphorus?
How is nitrogen prepared in the laboratory? Write the chemical equations of the reactions involved.
Which of the following is a basic oxide?
(A) SiO2
(B) P4O10
(C) MgO
(D) Al2O3
Explain why Mn2+ ion is more stable than Mn3+? (Given : Mn→ Z=25)
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).
The statement true for \[\ce{N^-_3}\] is ____________.
Among the 15th group elements, as we move from nitrogen to bismuth, the pentavalency becomes less pronounced and trivalency becomes more pronounced due to:
The bonds present in N2O5 are ____________.
Which of the following oxides of nitrogen is a coloured gas?
Which of the following oxides of nitrogen reacts with FeSO4 to form a dark brown compound?
Which of the following can be used as anesthesia?
The laughing gas is ____________.
Assertion: \[\ce{HNO3}\] makes iron passive.
Reason: \[\ce{HNO3}\] forms a protective layer of ferric nitrate on the surface of iron.
HCl is added to following oxides. Which one would give H2O2
Which oxide of nitrogen is obtained on heating ammonium nitrate at 250°C?
Heating white phosphorus with conc. NaOH solution gives mainly ______.
