Boron cannot form which one of the following anions?
(1) BO2-
(2) BF63-
(3) BH4-
(4) B(OH)4-
Due to absence of low lying vacant d orbital in B, sp3d2hybridization is not possible hence BF63-will not formed.
Which of the following is not a Halon gas ?
View Answer Report Error Discuss
The chemical formula of Ammonia is _____ .
Earth's crust mainly contains ______.
Atomic number of which of the following elements is greater than that of Phosphorus?
Which of the following elements has the lowest melting point?
The common name of lead (II) sulphide is
The Chemical formula of Ammonium sulphate is
The series of processes by which nitrogen and its compounds are inter-converted in the environment and in living organisms is called _____ .
Aptitude and Reasoning
General Knowledge
Puzzles
Interviews
Technical
Certifications
Exams
Job
Roles
True or False
Exams