The ionisation enthalpy of hydrogen atom is 1.312×106 J mol−1. The energy required to excite the electron in the atom from n=1 to n=2 is

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The ionisation enthalpy of hydrogen atom is 1.312 10^{6} {~J}

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The ionisation enthalpy of hydrogen atom is $1.312 \times 1 0^{6} J mol^{- 1}$ . The energy required to excite the electron in the atom from $n = 1$ to $n = 2$ is

8.51 \times 1 0^{5} J mol^{- 1}

6.56 \times 1 0^{5} J mol^{- 1}

7.56 \times 1 0^{5} J mol^{- 1}

9.84 \times 1 0^{5} J mol^{- 1}

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Updated on: Oct 13, 2023

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New Pattern JEE Problems Chemistry for JEE Main and Advance( Master Problem Package) (Arihant)

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Eleanor Discussed

The ionisation enthalpy of hydrogen atom is

1.312 \times 1 0^{6} J mol^{- 1}

. The energy required to excite the electron in the atom from

n = 1

n = 2

14 mins ago

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14 mins ago

Text solutionVerified

(d) lonisation enthalpy of hydrogen atom is

1.312 \times 1 0^{6} J mol^{- 1}

. It suggests that the energy of electron in the ground state (first orbit) is

- 1.312 \times 1 0^{6} J mol^{- 1}

Δ E = E_{2} - E_{1} = (I E)_{H} Z^{2} [\frac{1}{n _{1}^{2}} - \frac{1}{n _{2}^{2}}]

= 1.312 \times 1 0^{6} [\frac{1}{1 ^{2}} - \frac{1}{2 ^{2}}] = 9.84 \times 1 0^{5} J mol^{- 1};

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Question Text	The ionisation enthalpy of hydrogen atom is $1.312 \times 1 0^{6} J mol^{- 1}$ . The energy required to excite the electron in the atom from $n = 1$ to $n = 2$ is
Updated On	Oct 13, 2023
Topic	Structure of Atom
Subject	Chemistry
Class	Class 11
Answer Type	Text solution:1 Video solution: 13
Upvotes	1544
Avg. Video Duration	5 min

The ionisation enthalpy of hydrogen atom is $1.312 \times 1 0^{6} J mol^{- 1}$ . The energy required to excite the electron in the atom from $n = 1$ to $n = 2$ is

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The ionisation enthalpy of hydrogen atom is 1.312×106 J mol−1. The energy required to excite the electron in the atom from n=1 to n=2 is

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The ionisation enthalpy of hydrogen atom is $1.312 \times 1 0^{6} J mol^{- 1}$ . The energy required to excite the electron in the atom from $n = 1$ to $n = 2$ is