KVPY Government Jobs Exams

Typical electronic energy gaps in molecules are about 1.0 eV. In terms of temperature, the gap is closed to

Read Solution (Total 0)

KVPY Other Question

For a one-electron atom, the set of allowed quantum numbers is –
(A) n = 1, l = 0, m1 = 0, ms = +½ (B) n = 1, l = 1, m1 = 0, ms = +½
(C) n = 1, l = 0, m1 = –1, ms = –½ (D) n = 1, l = 1, m1 = 1, ms = –½ The pKa of a weak acid is 5.85. The concentrations of the acid and its conjugate base are equal at a pH of –
(A) 6.85 (B) 5.85 (C) 4.85 (D) 7.85