Question

Question 16 : Which of these is true of interstitial carbide?
they are non stoichiometric compound
they are soluble compounds
They are binary compounds
they are amorphous compounds

Question 17 : Lead dioxide is used as ----
anti knock
dentoator
gun powder
bleach

Question 18 : Which of the group V oxoacids is manufactured by Ostwald process?
nitric acid
nitrous oxide
dinitrogen tetraoxide
nitrogen hydroxide

Question 19 : Which of the group V metals can not be obtained from its sulphide ore?
lead
Bismouth
phosphorus
Nitrogen

Question 20 : Which of the following is responsible for the easy hydrolysis of lead halides ?
availability of lone pair of electron in P orbital
completely filled d orbitals by electron
Availability of d-orbitals and low bond energy of Pb-H bond
availability of lone pair of electron in d orbital

Answer 1

they are non stoichiometric compound
detonator
nitric acid
Bismuth
completely filled d orbitals by electron