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IITJEE REVISION 🚀 💯

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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90)Which oxide of nitrogen is released from car engines?
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89)What is the oxidation state of nitrogen in di-nitrogen trioxide?
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88)What catalyst is used for oxidation of ammonia to produce nitric acid?
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87)Which of the following ions is the brown ring test useful for determining?
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86)What shape is the HNO3 molecule in its gaseous state?
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85)The correct order of second I.P.
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84)When the first electron gain enthalpy (△ₑᶢ H) of oxygen is –141 kJ/mol, its second electron gain enthalpy is :
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83)In crystal of which of the following ionic compound, would you expect the maximum distance between centre of cation and anion.
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82)The specie having smallest ionic radius is :-
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81) Above Question
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80)Solution of sodium metal in liquid ammonia is a strong reducing agent due to presence of
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79)Zr and Hf have almost equal atomic and ionic radii because of
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78)Lanthanoid contraction is due to an increase in
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77)Gun metal is an alloy of:
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76)Why does Zinc not show variable valency?
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75)Where does the last electron of d-block element go?
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73) What is the oxidation state exhibited by actinium?
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72) Why do transition elements form alloys so easily?
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71)(NH₄)₂Cr₂O₇ on heating gives a gas which is also given by:
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