JEE Mains Model Paper 23

Question : 76 of 90

Marks: +1, -0

The wrong statement among the following is

With nitrogen lithium forms nitride but sodium forms azide
with sodium carbonate FeSO4 gives basic iron (II) carbonate precipitate but FeCl3 gives reddish brown Fe(OH)3 precipitate
Magnesium chloride gives white precipitate with Na2CO3 but not with aHCO3 in cold condition
enthalpies of alkali metal chlorides decreases down the group 77

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