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The covalency of nitrogen in HNO3 is:
(1) 0
(2) 3
(3) 4
(4) 5
Ans: 5
A gas contains 350 ppm of H 2 S in CO 2 at 72°F and 1.53 atm pressure. If the gas is liquified, what is the weight fraction H 2 S? You are asked to make up a laboratory soluti
Types of Elimination reactions Elimination reactions are divided into two general categories, (A) α - elimination reactions or 1, 1-elimination reactions. (B) β - elimin
Co2 is isostructural with: (1) SnCl 2 (2) So 2 (3 ) HgCl 2 (4) All the above ans: HgCl 2
What is Allotropy If the change in structure is reversible then the polymorphism is called as 'allotropy'.Allotropy (Gr. allos, other, and tropos, manner) is a behavior exhibi
can you help me with understanding chemistry?
The spectrum of He is expected to be similar to: (1) H (2) Li + (3) Na (4) He + Ans: Li +
Prefix - IUPAC System of Naming Organic Compounds There are several groups that are not regarded as functional groups in the IUPAC name of the substance. These are linked as su
1,1-Dimethylcyclohexane is achiral, and therefore cannot be optically active.
The mass number of an anion, X 3- is 14. If there are ten electrons in the anion, the number of neutrons in the nucleus of atom, X 2 of the element will be: (1) 10
The tendency to metal to lose electrons or tendency of its ions to gain electrons depends upon the concentration of the ions in solution. At the same time, the tendency to lose or
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