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Class 12th Exam Chemistry VVI Objective Question in English Co-Ordination Chapter 9. COORDINATION COMPOUNDS 1. Coordination number of Cr in Na3[Cr(C2O4)3] is : (A) 3 (B) 4 (C) 5 (D) 6 Answer :- (A) 2. The oxidation number of Ni in [Ni(CO)4] is (A) O (B) 2 (C) 3 (D) 4 Answer :- (A) 3. […]
Class 12th Exam Chemistry VVI Objective Question p Block Elements Chapter 7. ‘p’ BLOCK ELEMENTS 1. Other than oxygen in Group 16 of the periodic table, the element found is : (A) Sulphur (B) Sodium (C) Iron (D) Nitrogen Answer :- (A) 2. In the reaction N2 + 3H2 ⇔ 2NH3 + Q cals, if temperature increases, […]