KVPY Government Jobs Exams

In a zero-order reaction, if the initial concentration of the reactant is doubled, the time required for half the
reactant to be consumed
(A) increases two-fold (B) increases four-fold (C) decreases by half (D) does not change

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KVPY Other Question

The spin-only magnetic moments of [Mn(CN)6]4– and [MnBr4]2– in Bohr Magnetons, respectively, are
(A) 5.92 and 5.92 (B) 4.89 and 1.73 (C) 1.73 and 5.92 (D) 1.73 and 1.73 The adsorption isotherm for a gas is given by the relation x = ap/(1 + bp) where x is moles of gas adsorbed
per gram of the adsorbent, p is the pressure of the gas, and a and b are constants. Then x
(A) increases with p
(B) remains unchanged with p
(C) decreases with p
(D) increases with p at low pressures and then remains the same at high pressure