KVPY Government Jobs Exams

At 298 K, assuming ideal behaviour, the average kinetic energy of a deuterium molecule is
option
(A) two times that of a hydrogen molecule
(B) four times that of a hydrogen molecule
(C) half of that of a hydrogen molecule
(D) same as that of a hydrogen molecule

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KVPY Other Question

The set of principal (n), azimuthal (l) and magnetic (m1) quantum numbers that is not allowed for the electron in H-atom is
option
(A) n = 3, l = 1, m1 = -1
(B) n = 3, l = 0, m1 = 0
(C) n = 2, l = 1, m1 = 0
(D) n = 2, l = 2, m1 = -1 The gas produced from thermal decomposition of (NH4)2Cr2O7 is
(A) oxygen (B) nitric oxide
(C) ammonia (D) nitrogen