KVPY Government Jobs Exams

All the products formed in the oxidation of NaBH4 by I2, are
(A) B2H6 and NaI (B) B2H6, H2 and NaI (C) BI3 and NaH (D) NaBI4 and HI

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KVPY Other Question

The standard Gibbs free energy change (ΔGº in kJ mol–1), in a Daniel cell ( Eº 1.1 V
cell = ), when 2 moles of
Zn(s) is oxidized at 298 K, is closest to
(A) – 212.3 (B) – 106.2 (C) – 424.6 (D) – 53.1
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