AMU BSc PYQ 2026 | AMU BSc Previous Year Question with explanation

36. The Van’t Hoff’s factor for aqueous 0.001 M mono basic acid, HA is 1.08. The ionization constant of acid will be:

(a) $6.96 \times 10^{-6}$

(b) $6.96 \times 10^{-4}$

(c) $3.5 \times 10^{-6}$

(d) $3.5 \times 10^{-4}$

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37. At what temperature, R.M.S. speed of gas molecules will be double the value at N.T.P.?

(a) 273 K

(b) 546 K

(c) 1092 K

(d) 2184 K

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38. The temperature coefficient of cell, $(\frac{dE_{cell}^{\circ}}{d\tau})_\rho$ is equal to:

(a) $\frac{\Delta S^{\circ}}{nF}$

(b) $\frac{nE_{cell}^{\circ}}{\Delta S}$

(c) $-n FE_{cell}^{\circ}$

(d) $+nF E_{cell}^{\circ}$

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39. $H_3PO_4$, on strong heating at $320^\circ C$, produces :

(a) Pyro phosphoric acid

(b) Meta phosphoric acid

(c) Tri poly phosphoric acid

(d) Tetra poly phosphoric acid

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40. The ion having cyclic structure is:

(a) $Se_{10}^{2+}$

(b) $Tc_4^{2+}$

(c) $Se_4^{2+}$

(d) $Se_8^{2+}$

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