Advertisements
Advertisements
प्रश्न
______ react with dil. HNO3 to evolve hydrogen gas.
पर्याय
Iron and copper
Manganese and magnesium
Zinc and manganese
Aluminium and magnesium
Advertisements
उत्तर
Manganese and magnesium react with dil. HNO3 to evolve hydrogen gas.
APPEARS IN
संबंधित प्रश्न
Write balanced chemical equations for Preparation of ethanol from Ethyl Chloride
What is the common name of methanal?
What happens when ethanol is heated with concentrated sulphuric acid at 170°C? Write the equation of the reaction which takes place.
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
One of the following substances is not added to make denatured alcohol. This is:
(a) methyl alcohol
(b) copper sulphate
(c) chloroform
(d) pyridine
Which of the following can damage optic nerve leading to blindness, if taken internally?
(a) CH3COOH
(b) C2H5OH
(c) NaHCO3
(d) CH3OH
How is the absolute alcohol obtained?
What would you see, when ethyne is bubbled through a solution of bromine in carbon tetrachloride?
List in tabular form three physical and two chemical properties on the basis of which ethanol and ethanoic acid can be differentiated.
The product formed when ethene gas reacts with water in the presence of sulphuric acid is ______.
Give the structural formula of the following:
Ethanoic acid
From the given list, name the compound with −OH as part of its structure.
From the given list, name the compound with –COOH as part of its structure.
The organic compound obtained as the end product of the fermentation of a sugar solution is ______.
Colorless ethanol is in liquid state at room temperature.
Look at below figure and answer the following questions.
- What change would you observe in the calcium hydroxide solution taken in tube B?
- Write the reaction involved in test tubes A and B respectively.
- If ethanol is given instead of ethanoic acid, would you expect the same change?
- How can a solution of lime water be prepared in the laboratory?
Draw electron dot structure of Ethanol.
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:
Neutralization of NaOH with ethanoic acid.
