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

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In the Wolff-Kishner reduction, alkyl aryl ketones are reduced to alkyl benzenes. During this change, ketones are first converted into ______.

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In the Wolff-Kishner reduction, alkyl aryl ketones are reduced to alkyl benzenes. During this change, ketones are first converted into ______.

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Aldol condensation is

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Aldol condensation is

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Which one of the following has the lowest acidity?

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Which one of the following has the lowest acidity?

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Diborane reduces

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Diborane reduces

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What are aromatic ketones?

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What are aromatic ketones?

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The hybridisation of nitrogen in primary amine is ____________.

Isobutylamine is an example of ______.

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Which type of amine does produce N₂ when treated with HNO₂?

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Carbylamine test is given by ____________.

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Identify ‘B’ in the following reactions

\[\ce{CH3 - C ≡ N ->[Na/C2H5OH] A ->[NaNO2/dilHCl]B}\]

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Open chain formula of glucose does not contain ______.

Which of the following does not apply to \[\ce{CH2NH2-COOH}\]?

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Tryptophan is called essential amino acid because

RNA has ______.

Nylon fibres are ______.