According to the balanced chemical equation 5 H_2 C_2 O_4 (aq) + 2 MnO_4^- (aq)

Question

According to the balanced chemical equation 5 H_2 C_2 O_4 (aq) + 2 MnO_4^- (aq) + 6 H^+ (aq) rightarrow 10 CO_2 (g) + 2 Mn^2+ (aq) + 8 H_2 O (l) 0.3500 grams of oxalic acid, H_2 C_2 O_4 will react with moles of MnO_4^-. What are the possible values of l if n = 5? The electronegativity for both sulfur and carbon 2.5. Therefore the compound CS_2 would be expected to Based on the indicated electronegativities, arrange the following in older of increasing ionic character (from left to right): CaBr, LaBr_3, PBr_3, MgBr_2.

Explanation / Answer

39 question answer is D, reason is if electronegtivity difference between two atoms is more or equal to 1.7 shows ionic character, in between 1.0and 1.7 shows polar covalent nature ,finally lessthan 1.0 ability to form covalent bond

hence CsBr is most ionic,PBr3 is covalent in nature

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