JEE Advanced 2020 Concept Recapitulation Test 4 Paper 1

Question : 23 of 54

Marks: +1, -0

Which of the following statement is/are true?

Alkali metals are soft metals and softness increases down the group
Lattice energy of alkali metal salts with same anion decreases with increase in size of cations
Paramagnetic character of Na -Liq NH3 solution decreases in increase in the conc. of NH3
LiF has lowest solubility among all alkali metal halides

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