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प्रश्न
______ react with dil. HNO3 to evolve hydrogen gas.
पर्याय
Iron and copper
Manganese and magnesium
Zinc and manganese
Aluminium and magnesium
उत्तर
Manganese and magnesium react with dil. HNO3 to evolve hydrogen gas.
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संबंधित प्रश्न
Give two properties of ethanol.
Give a balanced chemical equation for Preparation of ethane from Sodium propionate
Write balanced chemical equations for Preparation of ethanol from Ethyl Chloride
What is the common name of methanal?
Fill in the following blank with suitable word.
The functional group present in ethanol is ...............
Draw the structures for the following compounds:
Propanal
Why is ethanol used as a fuel?
When ethanol is heated with concentrated sulphuric acid at 170°C, it gets converted into ethene. In this reaction, concentrated sulphuric acid acts as:
(a) oxidising agent
(b) catalyst
(c) dehydrating agent
(d) reducing agent
When ethanol reacts with sodium metal, it forms two products. These products are:
(a) sodium ethanaoate and oxygen
(b) sodium ethanaoate and hydrogen
(c) sodium ethoxide and oxygen
(d) sodium ethoxide and hydrogen
Identify the functional group of the CH3OH ?
Name the oxidising agent used for the conversion of ethanol to ethanoic acid. Distinguish between ethanol and ethanoic acid on the basis of (i) litmus test, (ii) reaction with sodium carbonate
how can we prepare ethane by reduction of a halogen compound?
Give two uses each of:
(i) Methane (ii) ethane
How will you bring about following conversions:
(a) Methane to methanol
(b) Ethane to ethanol (acetaldehyde)
(c) Methane to methanoic acid
Write the balanced equations to convert:
(a) Ethanol to ethene
(b) Ethene to ethanol
Write balanced equations to show the preparation of the following:
Ethene from ethanol
[Ethane, Ethene, Ethanoic acid, Ethyne, Ethanol]
From the above, name the homologue of the homologous series with the general formula CnH2n.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
