How many of following have at least one bond angle less than 109- 28 - CH 4- NH 4- NH 3- H 2 O - F 2 O - Cl 2 O - ClO 2- NF 3- CF 4- PCl 5- NO 2- SO 42- CH 2 F 2- SF 6- BF 4- CF 3 Cl - H 2 S - P H 3- SOF 4-PF 2 Cl 3

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Electronegativity and Hybridisation

How many of f...

Question

How many of following have at least one bond angle less than $109^{\circ} 28^{^{'}}$ ?
$C H_{4}$ , $N H_{4}^{+}$ , $N H_{3}$ , $H_{2} O$ , $F_{2} O$ , $C l_{2} O$ , $C l O_{2}$ , $N F_{3}$ , $C F_{4}$ , $P C l_{5}$ , $N O_{2}$ , $S O_{4}^{2 -}$ , $C H_{2} F_{2}$ , $S F_{6}$ , $B F_{4}^{-}$ , $C F_{3} C l$ , $H_{2} S$ , $P H_{3}$ , $S O F_{4}$ , $P F_{2} C l_{3}$

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109^{\circ} 28^{^{'}}

C H_{4}

N H_{4}^{+}

N H_{3}

H_{2} O

F_{2} O

C l_{2} O

C l O_{2}

N F_{3}

C F_{4}

P C l_{5}

N O_{2}

S O_{4}^{2 -}

C H_{2} F_{2}

S F_{6}

B F_{4}^{-}

C F_{3} C l

H_{2} S

P H_{3}

S O F_{4}

P F_{2} C l_{3}

X - O - X

X - O - X

(X = H, F o r C l)

N H_{3}

N F_{3}

P H_{3}

P F_{3}

(1) N H_{3} > P H_{3} > N F_{3} (2) N F_{3} > N H_{3} > P H_{3}

(3) N H_{3} > N F_{3} > P H_{3} (4) P H_{3} > N H_{3} > N F_{3}

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