Question

Which of the following has fishy smell?
(a) CH3NH2
(b) C2H5NH c) (CH3)2NH
d) ch3(ch2)4nh2

Answer 1

Answer:

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C3H9N is a compound which has fishy smell.

Answer 2

Answer:

Explanation:

$CH_{3} (CH_{2})_{4}NH_{2}$ has fishy smell.

Option a : $CH_{3} NH_{2}$

• Anhydrous methylamine can be found as a colorless gas or liquid.
• It has somewhat ammonia-like odor.
• When unconfined, the liquid boils at 20.3°F and vaporizes quickly.
• Vapors can gather in low-lying areas because they are heavier than air.
• Most of the time easily ignited.
• Used in the production of rubber chemicals, pharmaceuticals, insecticides, paint removers, and surfactants.

Option b: $C_{2}H_{5}NH$

• With a boiling point of 62°F, ethylamine can be seen as a colorless liquid or gas with an ammonia-like odor.
• Flashpoint that is below 0°F. Liquid density is 5.7 lbs per gallon.
• Corrosive to the skin and eyes.
• Vapors weigh more than air. during combustion, toxic nitrogen oxides are produced.
• The closed container might explode violently and shoot into the air if exposed to very high heat.

Option c: $(CH_{3} )_{2} NH$

• Dimethylamine, Anhydrous is a colorless gas that has an ammonia-like smell at low concentrations.
• Contact with the unconfined liquid can result in chemical burns and frostbite due to evaporative cooling.

Option d: $CH_{3} (CH_{2})_{4}NH_{2}$

• Its also known to be $C_{3}H_{9}N$. The liquid form of Trimethylamine is clear and colorless, and fishy smell that is strong and  it smells somewhat like ammonia. 35°F flash point.
• Water soluble and less dense than water. Vapors are heavier than air. during combustion it generates harmful nitrogen oxides.
• Used to produce other chemicals and for chemical analysis.

Therefore, $CH_{3} (CH_{2})_{4}NH_{2}$ has fishy smell.

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