Tag: nitrogen - 15 group

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Multiple choice chemistry p- block elements-ii anomalous properties of nitrogen nitrogen - 15 group group 15 elements

Which of the following halide of nitrogen is unstable in nature?

  1. $NCl _3$
  2. $NBr _3$
  3. $NI _3$
  4. $NF _3$
Reveal answer Fill a bubble to check yourself
A,B,C Correct answer
Explanation

Nitrogen has very small size as compared to the halogens, which have much larger sizes. Due to this, they can not remain bonded to the nitrogen atom and hence are highly unstable. $NF _3 $ is stable because fluorine and nitrogen have comparable sizes and electronegativity.

Multiple choice chemistry p- block elements-ii anomalous properties of nitrogen nitrogen - 15 group group 15 elements

In the commercial preparation of dinitrogen by the liquefaction and fractional distillation,dinitrogen is obtained in:

  1. liquid form

  2. gaseous form

  3. mixture of liquid and gases

  4. none
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In the commercial preparation of dinitrogen by the liquefaction and fractional distillation,dinitrogen is obtained in gaseous form.