Description Instructions Complete the following questions. Multiple Attempts Not

Question

Description Instructions Complete the following questions. Multiple Attempts Not allowed. This test can only be taken once. Force Completion This test can be saved 3nd resumed later Match the following chemicals with their correct molecular weights. 2-Nitrobenzaldehyde 5-Nitro-2-furaldehyde 3-Nitrobenzaldhyde 4-bromophenylhydrazine hydrochloride 4-cyanophenvlhydrazine hydrochloride AminoguanidineHydrochloride Match the following chemicals with their correct OS HA hazard. 2-Nitrobenzaldehyde 5-Nitro-2-furaldehyde 3-Nitrobenzaldhyde 4-bromophenylhydrazine hydrochloride 4-cyanophenvlhydrazine hydrochloride AminoguanidineHydrochloride Select the correct type of reactants you will use in the lab ketone and acid aldehyde and hydrazine ketone and aldehyde aldehyde and acid What type of product you will form? Hydrazone hydrazine hydrazoic add ketone

Explanation / Answer

Question 1. (1) 2-Nitrobenzaldehyde 151.12

(2) 5-Nitro-2-furaldehyde 141.08

(3) 3-Nitrobenzaldehyde 151.12

(4) 4-bromophenylhydrazine hydrochloide 223.50

(5) 4-Cyanophenylhydrazine hydrochloride 169.61

(6) Aminoguanidine Hydrochloride 110.55

Question 2. Correct OSHA hazard

(1) 2-Nitrobenzaldehyde Harmful by ingestion, irritant

(2) 5-Nitro-2-furaldehyde Flammable solid   

(3) 3-Nitrobenzaldehyde Toxic by inhalation,harmful by ingestion, harmful by skin absorption , irritant

(4) 4-bromophenylhydrazine hydrochloide Corrosive

(5) 4-Cyanophenylhydrazine hydrochloride Irritant

(6) Aminoguanidine Hydrochloride Irritant, Irritant to eyes, respiratory systme and skin

Question 3. The correct type of reactants that can be used in the lab are aldehyde and hydrazine which results in to the formation of hydrazone.

Question 4. Hydrazone product can be formed.

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