HSC Science (Computer Science) १२ वीं कक्षा - Maharashtra State Board Question Bank Solutions for Chemistry

Draw the structure of XeO₃

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Draw structures of XeOF₄

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Draw structures of XeF₂.

What are interhalogen compounds?

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How are xenon fluorides XeF₂, XeF₄ and XeF₆ obtained? Give suitable reactions.

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How are XeO₃ and XeOF₄ prepared?

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Describe the structure of the Ozone. Give two uses of ozone.

Balance the following equation

\[\ce{KMnO4 + H2C2O4 + H2SO4 -> MnSO4 + K2SO4 + H2O + O2}\]

An alkyl chloride on Wurtz reaction gives 2,2,5,5-tetramethylhexane. The same alkyl chloride on reduction with a zinc-copper couple in alcohol gives hydrocarbon with molecular formula \[\ce{C5H12}\]. What is the structure of alkyl chloride?

Choose the most correct option.

Which of the following is used as a source of dichlorocarbene?

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How stability of the coordination compounds can be explained in terms of equilibrium constants?

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Name the factors governing the equilibrium constants of the coordination compounds.

Benzaldehyde does NOT show positive test with ______.

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Observe the following equation of reaction of Tollens' reagent with aldehyde. How do we know that a redox reaction has taken place? Explain.

\[\ce{R-CHO + 2Ag(NH_{3})^{+}_{2} + OH^{-}->[\triangle] R-CO{O}^{-} + 2Ag↓ + 4NH3 + 2H2O}\]

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What is the action of hydrazine on cyclopentanone in presence of KOH in ethylene glycol?

Write a note on Stephen reaction.

Answer in one sentence.

Write the reaction of p-toluenesulphonyl chloride with diethylamine.

Write reaction showing aldol condensation of cyclohexanone.

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Write reaction showing conversion of Acetaldehyde into acetaldehyde dimethyl acetal.

Distinguish between ethylamine, diethylamine, and triethylamine by using Hinsberg’s reagent?