p block
why BiF3 is ionic whereas other trihalides are covalent in nature?
Unit of measurement- These are also some systems for units: (1)
order of decreasing basicity of urea and its substituents
Explain the method, how do you solve Ideal Gas Law problems?
In zinc blende structure, zinc atom fill up:(a) All octahedral holes (b) All tetrahedral holes (c) Half number of octahedral holes (d) Half number of tetrahedral holesAnswer: (d) In zinc blende (ZnS
Can protein act as the buffer? Briefly comment on that statement.
Briefly state the wavelengths which the human eye can see?
Help me to solve this problem. 4.0 gm of NaOH are contained in one decilitre of solution. Its molarity would be: (a) 4 M (b)2 M (c)1 M (d)1.5 M
Describe some of the significance of the organic chemistry in brief?
Provide solution of this question. 60 gm of Urea (Mol. wt 60) was dissolved in 9.9 moles, of water. If the vapour pressure of pure water is P0 , the vapour pressure of solution is:(a) 0.10P0 (b) 1.10P0 (c) 0.90P0 (d) 0.99P0
we need 10 examples for the polyhalogen compounds....please help me....need it urgently...
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