30. compound is found to be 30.45% N and 69,55 1,63 gof this compound occupy A 3

Question

30. compound is found to be 30.45% N and 69,55 1,63 gof this compound occupy A 389 candms mm Hg, what is the molecular formula of the compound? NO2 B) N20 4.1, mol b C) N402 D) N205 E) N204 18 435 2.12 Consider the following species when answering the following questions: (ii) cci4 (iii) TeC4 (iv) xeF4 (v) SF6. 31.. Which of the molecules has a see-saw shape? A) G) C) (iii) D) (iv) E (v) 32, of the following, the central atom is sp3d2 hybridized only in A) PC15 B) XeF4 C) PH3 D) Br3. E) BeF2 IF3 are and respectively. 33. The hybridizations of iodine in and IF5 A) sp3, sp3d C sp3d, sp3 E) sp3d2, sp3d2

Explanation / Answer

30) PV = nRT

PV = WRT /MW

MW = WRT / PV

MW = (1.63 x 0.0821 x 273) / (1.02 x 0.389) = 36.534 / 0.397

MW = 92.02 g /mol

answer = option E = N2O4

in N2O4

% N = 28 / 92 x 100 = 30.45

% O = 69.55

31) option D = IV = XeF4

32) option B = XeF4

33) option B = SP3d , SP3d2

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