HSC Science (General) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions

Answer the following

Explain carbylamine reaction with suitable examples.

Write a reaction to convert methanamine into ethanamine.

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Write a reaction to convert ethylamine into methylamine.

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What is the action of acetic anhydride on ethylamine?

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What is the action of acetic anhydride on diethylamine?

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What is the action of acetic anhydride on triethylamine?

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Write structural formula of the following synthetic rubbers:

SBR rubber

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Write structural formula of the following synthetic rubbers:

Buna-N rubber

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Write structural formula of the following synthetic rubbers:

Neoprene rubber 

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Write diazotisation reaction of aniline?

The effective atomic number of cobalt in [Co(NH₃)₆]³⁺ is _____________

Calculate effective atomic number of iron in [Fe(CN)₆]⁴⁻ complex ion

Write formula to calculate EAN with the significance of terms involved in it. Calculate EAN of [Fe(CN)₆]^3–.

Write oxidation state and coordination number of [Co(NH₃)₄Cl₂]⁺ ion. Calculate EAN of iron in [Fe(CN)₆]^4–. Write the IUPAC name of [Zn(NH₃)₄]²⁺.

Propane nitrile can be prepared by heating ____________

The following will react faster by S_N1 mechanism

Major product of the following reaction is _______________

\[\ce{CH3-CH2-Mg-Br + NH3 ->?}\]

Nucleophilic substitution reaction of 2, 4-dinitrochlorobenzene is faster than p-nitrochlorobenzene. Give reason.

An octahedral void is surrounded by ________.

The coordination number of spheres in the hcp lattice in three dimension is ______.