Beryllium has less negative...... | JEE Main 2023

JEE MAIN 2023

24-01-23 S2

Question

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Beryllium has less negative value of reduction potential compared to the other alkaline earth metals. Reason R : Beryllium has large hydration energy due to small size of $\mathrm{Be}^{2+}$ but relatively large value of atomization enthalpy. In the light of the above statements, choose the most appropriate answer from the options given below.

Select the correct option:

A is correct but R is not correct

Both A and R are correct and R is the correct explanation of A.

A is not correct but R is correct

Both A and R are correct and R is NOT the correct explanation of A.

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Be has less negative value compared to other alkaline earth metal. However it's reducing nature is due to large hydration energy associated with the small size of $\mathrm{Be}^{2+}$ ion and relatively large value of the atomization enthalpy of metal.

Question Tags

JEE Main

Chemistry

Easy

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