KVPY Government Jobs Exams

The crystal field stabilization energies (CFSE) of high spin and low spin d^6 metal complexes in terms of Δ0,
respectively, are-
(A) –0.4 and –2.4 (B) –2.4 and –0.4 (C) –0.4 and 0.0 (D) –2.4 and 0.0

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KVPY Other Question

At 300 K the vapour pressure of two pure liquids, A and B are 100 and 500 mm Hg, respectively. If in a
mixture of A and B, the vapour pressure is 300 mm Hg, the mole fractions of A in the liquid and in the
vapour phase, respectively, are-
(A) 1/2 and 1/10 (B) 1/4 and 1/6 (C) 1/4 and 1/10 (D) 1/2 and 1/6 Which sequence of events gives rise to flaccid guard cells and stomatal closure at night ?
(A) low [Glucose] ⇒ low osmotic pressure ⇒ low pH ⇒ high pCO2
(B) low pH ⇒ high pCO2 ⇒ low [Glucose] ⇒ low osmotic pressure
(C) low osmotic pressure ⇒ high pCO2 ⇒ low pH ⇒ low [Glucose]
(D) high pCO2 ⇒ low pH ⇒ low [Glucose] ⇒ low osmotic pressure