JEE Main 2022 (Online) 28th July Morning Shift | s-Block Elements Question 24 | Chemistry

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JEE Main 2022 (Online) 28th July Morning Shift

MCQ (Single Correct Answer)

-1

Which of the following statement is incorrect?

Low solubility of LiF in water is due to its small hydration enthalpy.

$$\mathrm{KO}_{2}$$ is paramagnetic.

Solution of sodium in liquid ammonia is conducting in nature.

Sodium metal has higher density than potassium metal.

JEE Main 2022 (Online) 27th July Evening Shift

MCQ (Single Correct Answer)

-1

An element A of group 1 shows similarity to an element B belonging to group 2. If A has maximum hydration enthalpy in group 1 then B is :

JEE Main 2022 (Online) 27th July Evening Shift

MCQ (Single Correct Answer)

-1

Which of the following enhances the lathering property of soap?

Sodium stearate

Sodium carbonate

Sodium rosinate

Trisodium phosphate

JEE Main 2022 (Online) 26th July Evening Shift

MCQ (Single Correct Answer)

-1

The metal that has very low melting point and its periodic position is closer to a metalloid is

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