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Which of the Following Are Allowed Resonance Forms of NCS-

Question 49

Multiple Choice

Which of the following are allowed resonance forms of NCS-? I [: N Which of the following are allowed resonance forms of NCS<sup>-</sup>? I [: N C - :]<sup> -</sup> and [: = C = :] <sup>-</sup> II [: N C - :] <sup>-</sup> and<sup> </sup>[: N C = :] <sup>-</sup> III [: N C - :] <sup>-</sup> and [: - C N :] <sup>-</sup> A) only I B) only II C) only III D) I and III C - Which of the following are allowed resonance forms of NCS<sup>-</sup>? I [: N C - :]<sup> -</sup> and [: = C = :] <sup>-</sup> II [: N C - :] <sup>-</sup> and<sup> </sup>[: N C = :] <sup>-</sup> III [: N C - :] <sup>-</sup> and [: - C N :] <sup>-</sup> A) only I B) only II C) only III D) I and III :] - and [: Which of the following are allowed resonance forms of NCS<sup>-</sup>? I [: N C - :]<sup> -</sup> and [: = C = :] <sup>-</sup> II [: N C - :] <sup>-</sup> and<sup> </sup>[: N C = :] <sup>-</sup> III [: N C - :] <sup>-</sup> and [: - C N :] <sup>-</sup> A) only I B) only II C) only III D) I and III = C = Which of the following are allowed resonance forms of NCS<sup>-</sup>? I [: N C - :]<sup> -</sup> and [: = C = :] <sup>-</sup> II [: N C - :] <sup>-</sup> and<sup> </sup>[: N C = :] <sup>-</sup> III [: N C - :] <sup>-</sup> and [: - C N :] <sup>-</sup> A) only I B) only II C) only III D) I and III :] -
II [: N Which of the following are allowed resonance forms of NCS<sup>-</sup>? I [: N C - :]<sup> -</sup> and [: = C = :] <sup>-</sup> II [: N C - :] <sup>-</sup> and<sup> </sup>[: N C = :] <sup>-</sup> III [: N C - :] <sup>-</sup> and [: - C N :] <sup>-</sup> A) only I B) only II C) only III D) I and III C - Which of the following are allowed resonance forms of NCS<sup>-</sup>? I [: N C - :]<sup> -</sup> and [: = C = :] <sup>-</sup> II [: N C - :] <sup>-</sup> and<sup> </sup>[: N C = :] <sup>-</sup> III [: N C - :] <sup>-</sup> and [: - C N :] <sup>-</sup> A) only I B) only II C) only III D) I and III :] - and [: N Which of the following are allowed resonance forms of NCS<sup>-</sup>? I [: N C - :]<sup> -</sup> and [: = C = :] <sup>-</sup> II [: N C - :] <sup>-</sup> and<sup> </sup>[: N C = :] <sup>-</sup> III [: N C - :] <sup>-</sup> and [: - C N :] <sup>-</sup> A) only I B) only II C) only III D) I and III C = Which of the following are allowed resonance forms of NCS<sup>-</sup>? I [: N C - :]<sup> -</sup> and [: = C = :] <sup>-</sup> II [: N C - :] <sup>-</sup> and<sup> </sup>[: N C = :] <sup>-</sup> III [: N C - :] <sup>-</sup> and [: - C N :] <sup>-</sup> A) only I B) only II C) only III D) I and III :] -
III [: N Which of the following are allowed resonance forms of NCS<sup>-</sup>? I [: N C - :]<sup> -</sup> and [: = C = :] <sup>-</sup> II [: N C - :] <sup>-</sup> and<sup> </sup>[: N C = :] <sup>-</sup> III [: N C - :] <sup>-</sup> and [: - C N :] <sup>-</sup> A) only I B) only II C) only III D) I and III C - Which of the following are allowed resonance forms of NCS<sup>-</sup>? I [: N C - :]<sup> -</sup> and [: = C = :] <sup>-</sup> II [: N C - :] <sup>-</sup> and<sup> </sup>[: N C = :] <sup>-</sup> III [: N C - :] <sup>-</sup> and [: - C N :] <sup>-</sup> A) only I B) only II C) only III D) I and III :] - and [: Which of the following are allowed resonance forms of NCS<sup>-</sup>? I [: N C - :]<sup> -</sup> and [: = C = :] <sup>-</sup> II [: N C - :] <sup>-</sup> and<sup> </sup>[: N C = :] <sup>-</sup> III [: N C - :] <sup>-</sup> and [: - C N :] <sup>-</sup> A) only I B) only II C) only III D) I and III - C Which of the following are allowed resonance forms of NCS<sup>-</sup>? I [: N C - :]<sup> -</sup> and [: = C = :] <sup>-</sup> II [: N C - :] <sup>-</sup> and<sup> </sup>[: N C = :] <sup>-</sup> III [: N C - :] <sup>-</sup> and [: - C N :] <sup>-</sup> A) only I B) only II C) only III D) I and III N :] -


A) only I
B) only II
C) only III
D) I and III

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