Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 87

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Which transition emits a photon of maximum frequency in hydrogen-like species?

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Important Questions on Structure of Atom

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 88

The shortest

λ

for the Brackett series for

H

is:

(Given R_{H} = 109678 {cm}^{- 1})

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 89

Wavelength of

1^{st}

line of Balmer series in hydrogen spectrum is:

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 90

When an electron in an excited hydrogen atom jumps

5^{th}

orbit to

3^{rd}

orbit the spectral line is observed in the ......... region and in ......... series of the hydrogen spectrum.

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 91

Number of the visible lines when the electron returns from

5^{th}

orbit to ground state in

H

spectrum is

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 92

What will be the maximum number of spectral lines in Lyman series, if electron makes transition from

n^{th}

orbit?

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 93

In an isolated

H

-atom, electron transits from

6^{th}

orbit to

2^{nd}

orbit, maximum number of spectral lines will be

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 94

The wave number of the first line of the Balmer series of a hydrogen atom is

15200 {cm}^{- 1} .

What is the wave number of the first line of the Balmer series of

{Li}^{2 +}

ion:

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 95

Calculate the number of possible spectral lines which may be emitted in Brackett series in

H

-atom, if electrons present in

9^{th}

excited level returns to ground level.