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 the third member of the Dobereiner triad, that also features Lithium and Sodium?
View Answer Report Error Discuss
Which of the following is NOT a noble gas?
The number of free electrons in the outermost shell of carbon atoms in diamand is
SnCl2 + 2HgCl2 ---> Hg2Cl2 + SnCl4
In the given reaction
Number of Sigma and Pi bonds in benzene, respectively is
The gas evolved when sodium carbonate reacts with hydrochloric acid is
Which of the following type of medicine is used to treat indigestion?
Find the similarity in the following :
Carbon, Silicon, Boron, Arsenic
Aptitude and Reasoning
General Knowledge
Puzzles
Interviews
Technical
Certifications
Exams
Job
Roles
True or False
Exams