Home
Class 11
CHEMISTRY
Assertion : Beryllium hydride is a coval...

Assertion : Beryllium hydride is a covalent hydride.
Reason : The electronegativity difference between Be and H is very high.

A

If both (A) and (R) are correct and (R) is the correct explanation of (A).

B

If both (A) and (R) are correct, but (R) is not the correct explanation of (A).

C

If (A) is correct, but (R) is incorrect.

D

If both (A) and (R) are incorrect.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

In the following question, an Assertion (A) is followed by a corresponding Reason (R). Use the following keys to choose the appropriate answer. Assertion : LiCl is a typical ionic compound exhibiting covalent characters. Reason : Electronegativity difference between Li and Cl is too small.

Assertion : Transition metals show variable valency. Reason : Transition metals have a large energy difference between the ns^2 and (n-1)d electrons.

Assertion : Beryllium does not impart any characteristic colour to the Bunsen flame. Reason : Due to its very high ionization energy, Be requires a large amounts of energy for excitation of the electrons.

In the following question, an Assertion (A) is followed by a corresponding Reason (R). Use the following keys to choose the appropriate answer. Assertion : Bond angle of H_2S is smaller than H_2O in gas phase. Reason : Electronegativity of the central atom increases, bond angle decreases.

Assertion : Emf andpotential difference are not same for cell. Reason: Both gives the difference in electrode potential under any condition.

Assertion : The covalence of nitrogen in N_2O_5 is 5. Reason : Nitrogen can expand its covalence beyond 4.