85. All of the following species are bent EXCEPT a. HOH b. HSH c. ONO- e. oso 86

Question

85. All of the following species are bent EXCEPT a. HOH b. HSH c. ONO- e. oso 86. All of the following species would be expected to have a tetrahedral shape EXCEPT a. IC b. CIo C. NH d. SiH e. PO2 87. All of the following species are planar EXCEPT a. H2NNH2 b. H2CCH2 c. FNNF d.?.?? 88. Which of the following molecules will have a dipole moment? c. HCCH d. CaH e. CO a. H25 b. CCu 89. All of the following molecules would be polar EXCEPT e. F.CO a. O b. SO ?.?? d. OF2 90. Which response contains all the characteristics listed that should apply to phosphine, PH3? I. Triangular planar Il. One unshared pair of electrons on p Ill. sp hybridized phosphorus atom IV. Polar molecule V. polar bonds a. I, IV, V b. II, II, IV C. d. l, ll, ry II, IV,V 91. Which set contains only ionic compounds? CH OH, H2O, HF, PF c. Na:O, CaH2, Ba0, KF d. CH4, HaCCla, Na, Cl e. a. Se, PA, Na, F2 b. NaCIO4, PF, CS2, Fe:0

Explanation / Answer

85) d (linear structure)

86) a (square planar)

87) a (non planar)

88) a

89) b (dueto all bond moment cancel each other)

90) d

91) c

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