What is the preparation method of white phosphorus?
White phosphorus can be produced using several different methods. industrial process, phosphate rock is heated in an electric or fuel-fired... View Article
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What is Phossy Jaw?
A person working with white phosphorus develop a disease known as phossy jaw in which jaw bones decay
Name some white phosphorus reactions:
White phosphorus reactions: White phosphorus is a strong reducing agent ,which reduces HNO3 to NO2, P4 + HNO3 → H3PO4... View Article
What are the properties of white phosphorus?
The properties of white phosphorus are given below: Less stable Extremely reactive due to angular strain in P4 molecule(60°) Readily... View Article
Explain the structure of white phosphorus
The structure of white phosphorus is as follows: It exist in P4 units 4 P atoms at the corners of... View Article
Why does white phosphorus glows in the dark?
White or yellow phosphorus glows in the dark due to its slow combustion in air.its energy of combustion is released... View Article
What is White Phosphorus?
Phosphorus is found in number of allotropic forms in which well recognised are being black,red and white. White phosphorus is... View Article
What is the definition of allotropes?
Answer: The term allotrope refers to one or more physical forms of a chemical element that occurs in the same... View Article
Which of the following sets of quantum numbers represents the highest energy of an atom?
(A) n = 3, l = 1, m = 1, s = +½ (B) n = 3, l = 2,... View Article
In a multi-electron atom, which of the following orbitals described by the three quantum members will have the same energy in the absence of magnetic and electric fields?
(a) n = 1, l = 0, m = 0 (b) n = 2, l = 0, m = 0... View Article
4d, 5d, 5f and 6p orbitals are arranged in the order of decreasing energy. The correct option is : (1) 5f > 6p > 5p > 4d (2) 6p > 5f > 5p > 4d OR (2) 6p > 5f > 4d > 5p (4) 5f > 6p > 4d > 5p
Higher the sum of the Principal quantum number (n) and Azimuthal Quantum Number (l), higher the energy of the orbital.... View Article
Explain Aufbau Principle with example
The electrons, identified by quantum numbers n and l, (i) n = 4, l = 1, (ii) n = 4,... View Article
What is Aufbau principle and filling up of orbitals with electrons?
Aufbau principle states, that, electrons shall fill up the available orbitals of an atom, starting from low energy to high... View Article
Arranging atomic orbitals in increasing energy order. Explain this in details.
Atomic orbitals in terms of increasing energy can be carried out as follows- Writing the shells one below the other... View Article
Comparing atomic orbitals in terms of their energy. Explain this in details.
Orbital with different magnetic quantum numbers are degenerate (same energy) in the absence of magnetic and electric fields. Sum of... View Article
What are Atomic orbitals?
Multiple solutions are possible for Schrodinger equation. Each solution is a unique electron wave (orbital), of specific energy, shape, and... View Article
Which principle lays the condition for an electron to occupy an orbit in an atom?
It is a universal fact, that the lowest energy is the stable state of matter. Electrons in an atom can... View Article
15 December 2019: PIB Summary & Analysis
Read the daily PIB update and stay up-to-date on current affairs for the UPSC exam. December 15th, 2019 PIB:- Download PDF Here... View Article
15 December 2019: The Hindu Analysis
UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 15th December 2019. Important news and... View Article
15 Dec 2019: UPSC Exam Comprehensive News Analysis
December 15th, 2019 CNA:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related B. GS 2 Related POLITY AND... View Article
