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Question

Nitrolim is a mixture of:


A

CaCN2+N2

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B

CaCN2+graphite

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C

CaCN2+diamond

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D

CaC2+graphite

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Solution

The correct option is B

CaCN2+graphite


The correct option is (B):-

The explanation for the correct answer:

Calcium cyanamide:

  1. Nitrolim is basically the chemical compound which is also known as calcium cyanamide, having the chemical formula as CaCN2.
  2. So, when nitrogen is passed over the calcium carbide at a very high temperature, there will be the production of Nitrolim.
  3. The reaction is: CaC2(s)Calciumcarbide+N2(g)NitrogenCaNCN(s)Calciumcyanamide+C(s)Carbon
  4. It is also commercially known as lime nitrogen.

Therefore, the correct answer is (B):- CaCN2+graphite


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