Chemistry

Study the diagram, which shows the Brown Ring Test and answer the questions given below:
(a) Which ion is determined by Brown Ring Test?
(b) Why is freshly prepared iron[II] sulphate used in the test?
(c) Name the substance Z.

Practical Chemistry

ICSE 2022

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Answer

(a) Nitrate ion [NO₃^1-]

(b) As iron [II] sulphate on exposure to the atmosphere is oxidised to iron [III] sulphate and the test will not answer with iron [III] sulphate, hence, freshly prepared iron[II] sulphate used in the test.

(c) Concentrated Sulphuric Acid.

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Chemistry

Study the diagram, which shows the Brown Ring Test and answer the questions given below:
(a) Which ion is determined by Brown Ring Test?
(b) Why is freshly prepared iron[II] sulphate used in the test?
(c) Name the substance Z.

Practical Chemistry

ICSE 2022

Answer

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Chemistry

Study the diagram, which shows the Brown Ring Test and answer the questions given below:(a) Which ion is determined by Brown Ring Test?(b) Why is freshly prepared iron[II] sulphate used in the test?(c) Name the substance Z.

Practical Chemistry

ICSE 2022

Answer

Related Questions

Distinguish between the following as directed:(a) Sodium sulphite solution and sodium sulphate solution. [using dilute H2SO4](b) Lead salt solution and zinc salt solution. [using NH4OH solution in excess]

Give one word for the following statements:(a) The compounds of various metals found in nature with earthly impurities.(b) A homogeneous mixture of two or more metals or a metal and a non-metal in specific ratios.

Select the right answer from the brackets and complete the statements:In electrolysis of fused Alumina, the anode is made of (a) …………… [gas carbon/graphite] and the product formed at cathode is (b) …………… [oxygen/aluminium].

Give the IUPAC name for the following:

Study the diagram, which shows the Brown Ring Test and answer the questions given below:
(a) Which ion is determined by Brown Ring Test?
(b) Why is freshly prepared iron[II] sulphate used in the test?
(c) Name the substance Z.

Distinguish between the following as directed:
(a) Sodium sulphite solution and sodium sulphate solution. [using dilute H₂SO₄]
(b) Lead salt solution and zinc salt solution. [using NH₄OH solution in excess]

Give one word for the following statements:
(a) The compounds of various metals found in nature with earthly impurities.
(b) A homogeneous mixture of two or more metals or a metal and a non-metal in specific ratios.

Select the right answer from the brackets and complete the statements:
In electrolysis of fused Alumina, the anode is made of (a) …………… [gas carbon/graphite] and the product formed at cathode is (b) …………… [oxygen/aluminium].