Question : What is the atomicity of Phosphorus?
Option 1: Poly-atomic
Option 2: Monoatomic
Option 3: Diatomic
Option 4: Tetra-atomic
Correct Answer: Tetra-atomic
Solution : The correct option is Tetra-atomic.
Phosphorus exists in a tetra-atomic form as P4 molecules. In this molecular form, four phosphorus atoms are bonded together in a tetrahedral arrangement. The P4 molecule is the most stable and common allotrope of phosphorus under normal conditions. Each phosphorus atom in the P4 molecule forms three single bonds with other phosphorus atoms, resulting in a tetrahedral structure with a characteristic tetra-atomic nature.
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Question : The compound to which H2 does not add is
Option 1: Biphenyl ethylene
Option 2: Tetraphenyl ethylene
Option 3: Tetra-a-naphthlethylene
Option 4: Tetra-9-phenanthrylethylene
Question : Which of the following is colourless?
Option 1: Chlorine
Option 2: Oxygen
Option 3: Phosphorus
Option 4: Sulphur
Question : What is the Atomic Number of the element Einsteinium?
Option 1: 98
Option 2: 101
Option 3: 99
Option 4: 100
Question : The black soil of the Deccan Plateau lacks which of the following minerals?
Option 1: Phosphorus
Option 2: Potash
Option 3: Iron
Option 4: Lime
Question : What is the ratio of inradius and circumradius of an equilateral triangle?
Option 1: 1 : 2
Option 2: 1 : 3
Option 3: 1 : 4
Option 4: 3 : 2
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