Engineer & Medical

Structure of Atom question bank (Chemistry)

Practice 1,497 free Engineer & Medical Chemistry - Structure of Atom questions with answers and step-by-step solutions.

Start free Book a demo

All Easy Hard Medium

Q1.

The Bohr radius of a hydrogen like species is $70.53$ pm. The species and the stationary state $(n)$ are respectively (Given : Hydrogen atom Bohr radius is $52.9$ pm)

(A)

$\text{Li}^{2+}, 3$

(B)

$\text{He}^+, 3$

(C)

$\text{He}^+, 2$

(D)

$\text{Li}^{2+}, 2$

Show answer & solution

Verified Answer & Solution Locked

Q2.

If shortest wavelength of hydrogen atom in Lyman series is $x$, then longest wavelength in Balmer series of $\text{He}^+$ is:

(A)

$\dfrac{9x}{5}$

(B)

$\dfrac{36x}{5}$

(C)

$\dfrac{x}{4}$

(D)

$\dfrac{5x}{9}$

Show answer & solution

Verified Answer & Solution Locked

Protected Questions

Unlock All 484 Questions in Structure of Atom

Log in or sign up free to access every question with complete solutions, create chapter practice tests, and track your performance.

Sign up free to access all 484 questions

Unlock every Structure of Atom question, generate papers, and practice at your own pace.

Start free