IITJEE REVISION 🚀 💯
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A daily quick revision notes will be posted in this group for remembering important concept... IT WILL TAKE AT LEAST 5-10 min to read .IN THIS WAY YOU CAN REVISE OLD TOPICS BY MAKING FUN !!!
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89)What is the oxidation state of nitrogen in di-nitrogen trioxide?
88)What catalyst is used for oxidation of ammonia to produce nitric acid?
87)Which of the following ions is the brown ring test useful for determining?
84)When the first electron gain enthalpy (△ₑᶢ H) of oxygen is –141 kJ/mol, its second electron gain enthalpy
is :
83)In crystal of which of the following ionic compound, would you expect the maximum distance between centre of cation and anion.
80)Solution of sodium metal in liquid ammonia is a strong reducing agent due to presence of
79)Zr and Hf have almost equal atomic and ionic radii because of
