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Fe2+ ions react with nitric oxide formed from reduction of nitrate and yields a brown coloured complex _____________.
Concept: p-Block elements of Group 15 Elements >> Nitric Acid
How is phosphine prepared using the following reagent ?
HCl
Concept: p-Block elements of Group 15 Elements >> Phosphine
Which of the following is a basic oxide?
(A) SiO2
(B) P4O10
(C) MgO
(D) Al2O3
Concept: p-Block elements of Group 15 Elements >> Oxides of Nitrogen
The group 15 element having inner electronic configuration as of argon is-
(a) Phosphorous (z = 15)
(b) Antimony (z =51)
(c) Arsenic (z = 33)
(d) Nitrogen (z = 7)
Concept: Concept of Group 15 Elements
Calculate molarity and molality of 6.3% solution of nitric acid having density 1.04 g cm−3
. (H = 1, N = 14, O = 16)
Concept: p-Block elements of Group 15 Elements >> Nitric Acid
Draw the structure of H4P2O6 hypophosphoric acid
Concept: p-Block elements of Group 15 Elements >> Compounds of Phosphorus
What is the action of Excess of chlorine on ammonia?
Concept: p-Block elements of Group 15 Elements >> Ammonia
What is the action of Na Metal on ammonia?
Concept: p-Block elements of Group 15 Elements >> Ammonia
What is the action of the following reagents on ammonia :
Sodium metal
Concept: p-Block elements of Group 15 Elements >> Ammonia
Explain why Mn2+ ion is more stable than Mn3+? (Given : Mn→ Z=25)
Concept: p-Block elements of Group 15 Elements >> Oxides of Nitrogen
Write balanced chemical equations for action of potassium permanganate on Warm conc. sulphuric acid
Concept: p-Block elements of Group 15 Elements >> Oxides of Nitrogen
What is the action of hot/concentrated nitric acid on - Antimony.
Concept: p-Block elements of Group 15 Elements >> Nitric Acid
How is phosphine prepared using the following reagent?
H2SO4
Concept: p-Block elements of Group 15 Elements >> Phosphine
How is phosphine prepared using the following reagent?
Caustic soda
Concept: p-Block elements of Group 15 Elements >> Phosphine
The oxidation state of nitrogen in dinitrogen trioxide is ____
(a) + 1
(b) + 2
(c) + 3
(d) + 4
Concept: Concept of Group 15 Elements
Write balanced chemical equations for Phosphorus reacts with magnesium
Concept: p-Block elements of Group 15 Elements >> Compounds of Phosphorus
Write balanced chemical equations for Flowers of sulphur boiled with calcium hydroxide
Concept: p-Block elements of Group 15 Elements >> Compounds of Phosphorus
Write balanced chemical equations for Action of ozone on hydrogen peroxide.
Concept: p-Block elements of Group 15 Elements >> Compounds of Phosphorus
What is Nessler’s reagent?
Concept: p-Block elements of Group 15 Elements >> Ammonia
Explain the geometry of [Cu(NH3)4]2+ on the basis of hybridisation [ At. No. Cu = 29 ].
Concept: Concept of Group 15 Elements
