Elements having +5 oxidation state is
Total valence e = 5 so it will show +5 oxidation state.
is the electronic configuration of
Arsenic has atomic no. 33.
The most abundant oxidation states of nitrogen are
N show -3 in NH3 and +3 in HNO2 and +5 in HNO3
The maximum covalency of nitrogen is
N has maximum covalency of 4. Max covalency = No. of orbitals in valence shell.
Which compound is used in the preparation of caprolactam?
NH3 is used in preparation of caprolactum.
Ammonia act as a Lewis base because nitrogen has
NH3 has one lone pair of electrons therefore can act as Lewis base.
Which allotrope of phosphorous is most stable?
Black Phosphorus is most stable isotope of phosphorus.
What is the spontaneous ignition temperature of white phosphorous?
Ignition temperature of white phosphorus is 35° C.
is the structure of
This structure is of H3PO4.(Phosphoric acid)
Which of the following is an amphoteric oxide?
Higher oxidation state oxides are acidic while lower oxidation state oxides are basic. Intermediate oxidation state oxides are amphroteric.
Which gas has a smell of rotten fish?
Phosphine has smell like rotten fish.
Which of the following turns lead acetate paper black?
Which gas is evolved when urea is treated with NaOH?
Urea on reaction with NaOH liberates ammonia.
Ozone reacts with KOH solution to form
O3 reacts with KOH to form KO3
Which of the following is Paramagnetic?
NO is paramagnetic. Its unpaired electron is present in antibonding orbital.
Laughing gas is soluble in
N2O is soluble in water.
Which is used to produce smoke screens?
Calcium phosphide is used to produce smoke screen.
In XeO3 and XeF6 the oxidation state of Xe is
Xe is oxidation state of +6.
The structure of ClF3 is
CN=0.5(V+M-C+A) For ClF3 CN = 5 so hybridisation is sp3d.
Structure is trigonal bipyramidal.
Iodine is liberated from KI solution when treated with
Cu2+ will reduce to Cu+ and I- will oxidize to I2.
Ammonia is used in detection of
Copper ions react with NH3 to form a blue color complex.
Laughing gas is
N2O is also known as Laughing gas.
Which of the following is soluble in turpentine oil?
Oxygen is soluble in turpentile oil.
Available chlorine is librated from bleaching powder when
Bleaching powder when reacts with alkali solution liberates chlorine.