Chemistry MCQ thread...

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Is the answer o.425

if it is then first find the moles of nitrogen gas then take 15% of the moles
then take mole ratio with ammonia produced that would be 1:2
then you can use the formula n=m/Mr to find the mass of ammonia produced
That is incorrect. The actual answer is 2.83.
 
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12 Which chlorine compound has bonding that can be described as ionic with some covalent
character?
A NaCl B MgCl2 C AlCl3 D SiCl4
WHY ITS B ?????
Aluminum chLorien is an ionic bond with high degree of covalent character
Magnesium chloride is a covalent bond with some covalent character,hence magnesium chloride is the answer.more information can be found in this link https://www.ibchem.com/IB16/02.62.htm
 
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