Q.

Consider the following statement.I. Qualitatively, the magnitude of velocity of electron increases with increase of positive charge on the nucleus.II. Magnitude of velocity of electron decreases with increase of principal quantum number.The correct statement(s) is/are

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a

Only I

b

Only II

c

Neither I nor II

d

Both I and II

answer is D.

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Detailed Solution

Qualitatively, the magnitude of velocity of electron increases with increase of positive charge on the nucleus and it decreases with increase of principal quantum number.
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Consider the following statement.I. Qualitatively, the magnitude of velocity of electron increases with increase of positive charge on the nucleus.II. Magnitude of velocity of electron decreases with increase of principal quantum number.The correct statement(s) is/are