Inorganic Chemistry Answers

Which of the following characteristics is NOT for covalent bond?
A. They may be polar or non-polar
B. Generally they are insoluble in water
C. They do not possess particular geometric structure
D. Their boiling and melting point is low

Which of tge following compounds possess ionic bond
A. BF3
B. SiCl4
C. CH4
D. MgCl2

How many numbers of bonding and non-bonding elecron pairs in CO2?
A. 4,2
B. 2,4
C. 2,2
D. 4,4

what is the weight in milligrams of 100 tablets each containing 20 mcg of a therapeutic agent

Determine overall cell potential for a system in which the following equation represent the net reaction zno (s)+fe++<>zn+++feo (s)

4dm3 of h2s reacts with 10dm3 of o2 at constant presssure and temperature what is the final volume?

Complete the following reactions and balance them:

1. B + H2So4 (concentrated )-----

2. LiBH4 + H2o ---------

A sample of phosphorus has 0.5 moles of P4 molecules, what is the mass of the sample?

A constant current was passed through a solution of AuCl4 ions between gold electrolyte .After a period of 10 minutes,the cathode increased in weight by 1.314g.how much charge was passed and what is the current?[Au=196.97]

Arrange the following elements in order of increasing first ionization energies: Be,K,Ca,Ra and Na