by Sunday | Sep 13 | Chemistry JAMB
A. -3, +3 B. +5 C. -3, +5 D. -3 Correct Answer: Option A = -3, +3 Explanation Ammonium nitrite = NH4NO2 NH4+ : Let the oxidation number of Nitrogen = x x + 4 = 1; ⟹ x = 1 – 4 x = -3 NO2− : x – 4 = -1; x = -1 + 4 ⟹ x = +3. The oxidation numbers for Nitrogen...
by Sunday | Sep 13 | Chemistry JAMB
A. sp³ and sp B. sp C. sp² D. sp³ and sp² Correct Answer: Option A Explanation The hybridization in a and b is sp³ hybridization while in c and d is sp hybridization.
by Sunday | Sep 13 | Chemistry JAMB
A. Z3(SO4)2 B. ZSO4 C. Z2SO4 D. Z2(SO4)3 Correct Answer: Option D – Z2(SO4)3 Explanation Z = 1s² 2s² 2p6 3s² 3p¹ ∴ We have Z³+ and SO4²- The reaction: Z³+ + SO4²- → Z2(SO4)3...
by Sunday | Sep 13 | Chemistry JAMB
A. Spin B. Principal C. Azimuthal D. Magnetic Correct Answer: Option C – Azimuthal Explanation The azimuthal quantum number determines an atom’s orbital angular momentum and the shape of the orbital. The principal quantum number determines its number of...
by Sunday | Sep 13 | Chemistry JAMB
A. linear, tetrahedral, angular and pyramidal B. angular, pyramidal, linear and tetrahedral C. pyramidal, linear, tetrahedral and angular D. tetrahedral, angular, pyramidal and linear Correct Answer: Option B – angular, pyramidal, linear and...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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