Given below are two statements : Statement I: Boron is extremely hard indicating its high lattice energy Statement II: Boron has highest melting and boiling point compared to its other group members. In the light of the above statements, choose the most appropriate answer from the options given below :

Question

Given below are two statements : Statement I: Boron is extremely hard indicating its high lattice energy  Statement II: Boron has highest melting and boiling point compared to its other group members.  In the light of the above statements, choose the most appropriate answer from the options given below :

cdquestions Admin · Accepted Answer

The correct option is(A): Both Statement I and Statement II is correct

Answer

Both Statement I and Statement II is correct

Answer

Both Statement I and Statement II is incorrect

Answer

Statement I is correct but Statement II is incorrect

Answer

Statement I is incorrect but Statement II is correct

List I (Spectral Lines of Hydrogen for transitions from)		List II (Wavelength (nm))
A.	n₂ = 3 to n₁ = 2	I.	410.2
B.	n₂ = 4 to n₁ = 2	II.	434.1
C.	n₂ = 5 to n₁ = 2	III.	656.3
D.	n₂ = 6 to n₁ = 2	IV.	486.1

The Correct Option is A

Solution and Explanation

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