Which of the following amino acids have two chiral carbons?

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#Question id: 20031

#XL - P Chemistry

Frequency of matter wave is equal to v = frequency, v = velocity of particle

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#Question id: 20032

#XL - P Chemistry

If threshold wavelength for ejection of electron from metal is 300nm, then work function for photoelectric emission is

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#Question id: 20033

#XL - P Chemistry

The mass of one mole of electron is

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#Question id: 20034

#XL - P Chemistry

In two H atoms A and 13 the electrons move around the nucleus in circular orbits of radius r and 4r respectively. The ratio of the times taken by them to complete one revolution is

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#Question id: 20035

#XL - P Chemistry

For the electronic transition from n = 2 to n = 1 which one of the following will produce shortest wave length?

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#Question id: 20036

#XL - P Chemistry

The energy required to dislodge electron from excited isolated H atom (IE1 = 13.6eV) is